How Contact Lenses Crashed This Passenger Jet | Delta Airlines Flight 554

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  • Опубликовано: 3 июн 2022
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    MD88 Image: randomduck
    This is the story of delta airlines flight 554, on the 19th of october 1996 an MD 88 was on its way from Atlanta to new yorks laguardia airport. For the crew of flight 554 this was day one of a three day stint, when they got to atlanta they were were provided with the weather and all necessary information that theyd need to get to new york. There was a bit of weather activity around new york but nothing that drew concern from the pilots. The plane departed at 2:41 PM. The flight was routine. Sure there might have been a bit more turbulence than usual but nothing that would be any cause for concern. But as they approached new york they could see that there were large patches of rain clouds in and around new york. This was going to be a bumpy ride in .
    As the plane got closer to laguardia the controller assigned the runway 13 ILS approach to flight 554. As new york air route traffic control handed the plane over to the new york terminal radar approach control the captain was finishing up his landing briefing. One of the last things he said in the briefing was ““Glideslopes unusable below two hundred feet...final approach course crosses runway centerline and twenty-seven hundred and fifty-four feet from threshold.. , .” With that the briefing was done and the pilots turned their attention to the weather ahead of them.
    As the MD88 lined up with the runway the pilots were battling some strong winds, the captain said “ still showing 63 knots of wind now” the first officer was concerned that theyd be blown off course but they still had things under control. As soon as they intercepted the glidelsope the plane was handed over to laguardia tower. The controller told them that they were number two for landing and a bunch of other things but he gave them an RVR value or the runway visual range, which was at 3000. This caused the captain to say “Must be raining hard at the airport”. But despite this they started their descent from 3000 feet down to the runway. As flight 554 cut through the clouds, the piots experienced light to moderate precipitation and the turbulence eased up a bit. This was good news for all onboard.
    As the plane got lower and lower, the first officer called “a 1000 feet above minimums”, they still weren't out of the clouds yet, apparently the cloud ceiling was lower than what the captain had been told. As delta 554 was on final another was taking off from runway 13 and once they were clear the MD88 got its final landing clearance. As they got the clearance the pilot started to see the ground for the first time. Right as the captain took manual control of the plane the TWA plane that was taking off from runway 13 had to reject their takeoff. The controller was asking them to expedite their exit from the runway so that flight 554 wouldnt have to go around. As the delta 554 was 492 feet above the ground the captain swore, he didnt like that the TWA had rejected its takeoff and now he might have to go around but they still might make be able to make it. Soon after the first officer stated “200 above”. They were just 200 feet above their minimum descent altitude and if they didnt have the runway in sight by the time they hit their minimums then they'd have to go around. As they descended they were just 100 feet above their miniums and then through the clouds and for the captain said “I got the approach lights in sight”. They would be able to land, the TWA aircraft was off the runway and now they had the runway itself. But the first officer noticed that the plane was a bit high and to the left and he let the captain know. An automated callout minimums was made, as the captain pulled back power on the engines the first officer said “ a little slow a little slow”, they were trying their best to keep the plane where it needed to be. Then suddenly the plane was aimed right at the approach
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Комментарии • 275

  • @alanemarson
    @alanemarson 2 года назад +411

    I love that you cover accidents with no fatalities - you choose your topics based on the pure interest of the cause, not the gruesome numbers and it makes for excellent videos. You're not relying on casualties to make the video enthralling.

    • @MiniAirCrashInvestigation
      @MiniAirCrashInvestigation  2 года назад +106

      Yeah I like the ones where everyone walks away

    • @loki4236
      @loki4236 2 года назад +11

      @@MiniAirCrashInvestigation #Metoo 😂

    • @dh510
      @dh510 2 года назад +14

      I was just about to comment something similar.
      I really appreciate that there is so much high quality material about air traffic accidents on RUclips by now, that not only complete catastrophes get covered, but also minor crashes with no fatalities and even near misses.

    • @isaacdawson8857
      @isaacdawson8857 2 года назад +5

      @@MiniAirCrashInvestigation same

    • @KingMoronProductions
      @KingMoronProductions 2 года назад +11

      Yeah, I honestly usually only watch the non-fatality ones as the others are too depressing, and I come to the comments to find out if it has fatalities or not.
      Please could Mini Air Crash Investigation make a playlist of "Fatalities" and one with "No Fatalities", for viewers like me? It would be FANTASTIC!

  • @lardyify
    @lardyify 2 года назад +144

    Well, I think that contact lenses, whatever the official report states, were only a minor component in this accident. The inaccurate weather information, the lack of proper cockpit procedures and the aborted take off while our MD80 was on short final were all much more important. Of course, the easy option is to blame the pilot and this is exactly what appears to have happened.

    • @Milesco
      @Milesco 2 года назад +31

      Totally agree. Although I would add the delayed/inaccurate vertical speed indicator as a substantial factor as well.
      (In addition to poor visibility and nonstandard runway light spacing.)

    • @captaind6178
      @captaind6178 Год назад +17

      I agree also. I'm retired now, but wore contacts (hard lenses) throughout my aviation career...from a CFI at 18 years old until finishing at a major U.S. carrier. Never had any problems.

    • @ntdscherer
      @ntdscherer Год назад +2

      @@captaind6178 Were they monovision lenses? If not, then that isn't really relevant.

    • @fredsmith9714
      @fredsmith9714 Год назад +3

      Yeah, I'm wondering how many hard landings delta had in this aircraft. It seems the lenses only exacerbated a psychological phenomenon of thinking you're higher, combined with everything else. If the lenses made a 5-10% increase in perceived positioning, then even other pilots would have been slamming the runway in weather like this. Think of it as a navy landing instead of airforce. Plenty of videos can explain what that means haha

    • @johnrroberts7900
      @johnrroberts7900 Год назад

      @@ntdscherer Hard contact lenses didn't allow oxygen to reach the cornea directly. The only way oxygen could reach the cornea was indirectly by tears washing under the lens each time blinking occurred. When the cornea doesn’t get enough oxygen, it can swell. This can cause hazy or blurred vision. So yes, it is relevant.

  • @gerardmoran9560
    @gerardmoran9560 2 года назад +36

    Great video! I have 3 points: 1) during nearly every FAA physical, before the eye test the nurse or Dr. would ask "are you wearing contacts?" and "do you wear contacts?". 2) on a CAT I ILS you don't need to see the runway at 200' to continue. You need to see the "runway environment", usually the approach light system, you need to see the runway to continue below 100'. 3) as an instructor a common problem on short final when a go-around is likely is pilots start inching up and above the glideslope. This results in crossing the threshold high if the landing is flown. Stay on the glideslope until you or ATC decides a go-around is indicated. Sounds like the pilot, concerned about a possible go-around got a bit high and his correction brought him through and below the glideslope. Be safe.

  • @Cec9e13
    @Cec9e13 2 года назад +11

    DUDE, I just have to say you have kept me sane the last few days. I have been cleaning out the house we're moving out of, and because I kept going "Oh crap, where did I set my phone," I wanted to have something playing on it so it wouldn't get lost. But I had my kids all over the place, it had to be something clean and non-violent, and I wanted a nice calming voice. YOU, man. You were perfect. Your voice is pleasant, consistent, even, your delivery isn't sensationalized or dramatic, your volume is totally even throughout, I can set your videos to auto play and just leave it going.
    Thank you SO. MUCH.

  • @nickyboam3406
    @nickyboam3406 2 года назад +78

    I've definitely learned something from you here. I've been wearing contacts for 40yrs & until just now knew nothing about how they can distort vision.
    As always a really interesting video.

    • @bobd2659
      @bobd2659 2 года назад +6

      I think you'd instinctively know they distort vision, as it is what they're designed to do. lol. It's more a matter of how they distort vision beyond the limited parameters you would think they would do. Same with sunglasses in a way (and probably transition lenses too), you'd think they'd only 'distort' the amount of light coming in...but in the right circumstances, they'll totally block ALL light, especially from things like computer screens...

  • @nacerdjaafri9919
    @nacerdjaafri9919 2 года назад +75

    I'm subscribed to a ton of aircrash investigation channels and I watch all of their videos. I can definitely say this is the most underrated channel ever. Can't describe what I feel everytime I hear "THIS, is the story of...."
    ❤️❤️❤️

    • @gregorylaco6193
      @gregorylaco6193 2 года назад

      You must be totally gay then because this guy sure is. The girly sounding voice and odd childlike expression speak volumes.

    • @gerrymcglynn7390
      @gerrymcglynn7390 10 месяцев назад

      Ditto ❤😮

  • @mbryson2899
    @mbryson2899 2 года назад +95

    I wore contacts for decades, hard lenses then soft lenses.
    I did have one type of soft lens that was less than optimal for night driving. Colors were off and depth perception to shadowed objects was pretty bad. Worse still, they seemed to cause excessive nighttime fatigue.
    I had to use a specific type for road trips.

    • @SignedOff402
      @SignedOff402 2 года назад +3

      What type of contact lens did you use for road trips? Thank you very much in advance.

    • @mbryson2899
      @mbryson2899 2 года назад +8

      @@SignedOff402 The good ones are Air Optix Night & Day by Alcon (they used to be made by Ciba). They're also good for extended wear as long as you don't go a crazy long time.
      They were the best I ever wore and great for driving, plus easy and convenient in general.

    • @spvillano
      @spvillano 2 года назад +2

      I've noticed depth perception changes with my IOL. IOL's are intraocular implants for cataract surgery.

    • @NickanM
      @NickanM Год назад +3

      I switch to my glasses during night driving, I couldn't find any good lenses in my prescribed strengths. I don't want to take any chances, so I wear my coca cola bottle glasses...😒

  • @chrisescobar4199
    @chrisescobar4199 2 года назад +14

    I am subscribed to a LOT of aviation channels, but I cant for the life of me understand how this channel doesnt have over a million subscribers. Maybe some people like the more "theatrical" type of channela, but I myself prefer this straightforward no frills delivery without long explanations of minor technical things that pretty much all of us avgeeks already know. Best of luck to you man!

  • @fluffyblue4006
    @fluffyblue4006 2 года назад +27

    Great audio level. Very much appreciated.
    This pilot apparently did not disclose his eye condition and wore contacts to tests. If he disclosed, he would have been advised about the regulations regarding allowed and/or recommended eye sight correction devices like contact lenses or glasses. When in the know, he would have informed his optometrist about the rules.
    Also the FAA is in the wrong, here. The FAA cannot expect optometrists to ask what profession their customers have.

    • @Milesco
      @Milesco 2 года назад +6

      I think the title of this video causes viewers to put too much emphasis on the pilot's contact lenses. I think this was a minor contribution to the crash. It seems to me that much larger contributions came from the poor visibility, the nonstandard runway light spacing, and the highly inaccurate vertical speed indicator info. (Also would've helped a lot if the first officer had called out the altitudes as the plane was approaching.) (Aren't they required to do that? I thought they were.)

    • @653j521
      @653j521 2 года назад +2

      They can't expect it but my doctors want to know the basics of my life in case they impinge on the treatment.

  • @peppersghosttheater
    @peppersghosttheater Год назад +4

    Given that Delta announced its saving millions because they got rid of most of their senior high paid staff and have a "juniorocity" staff now. This makes me nervous. Read the business insider article of this week.

  • @hack1n8r
    @hack1n8r 2 года назад +25

    Very interesting-- had no idea that certain contact lenses could adversly affect depth perception. I knew that some types of eyeglasses could alter depth perception, but I also knew that the brain quickly learns how to compensate.
    A very weird set of circumstances, indeed. Glad all got out relatively unscathed! 😊
    Nice job!!

  • @moi01887
    @moi01887 2 года назад +7

    If the video is an accurate reproduction, the report missed something pretty important.
    The set of 4 lights to the left of the runway near the approach end is called a PAPI - precision approach path indicator. The number of red vs. white lights showing indicates to the pilot whether they are on the glideslope: 2 red + 2 white is "just right", more red = too low, more white = too high. Even if the ILS or radio altimeter could not be trusted for whatever reason, the pilot should have known he was below glideslope when he saw 3 or 4 red lights on the PAPI.

  • @gregdetwiler9220
    @gregdetwiler9220 Год назад +2

    I’m not sure what all the different contact lenses are banned by the FAA but I wore contacts that corrected for far and near vision. One contact corrects for distant vision, and the other for near vision. The contact that corrected for near vision wasn’t 20/20 but the other one was exceptional for distant vision. Aeromedical at my airline said they were okay with the FAA. Never had any problems with depth perception. Depth perception with both eyes is 18 feet and in the landing, you’re gonna always be that far above/far out from the runway anyways. This captain made up an excuse to get out of trouble.

  • @ntdscherer
    @ntdscherer Год назад +2

    I don't know how many will see this but since it wasn't really explained - monovision lenses are where one contact lens corrects for distance vision and the other corrects for close up vision. Since the eyes aren't both optimized for distance viewing, this is where the effect on depth perception comes from.

  • @jblyon2
    @jblyon2 2 года назад +7

    I feel terrible for the passengers. Just imagine you've spent the entire flight dreading your impending arrival in the nightmarish hellhole that is LaGuardia, only to crash upon landing there.

  • @mrkiplingreallywasanexceed8311
    @mrkiplingreallywasanexceed8311 2 года назад +7

    Such a pleasure to sit back on a Saturday afternoon and listen to our treasured host recounting in his smooth, East Coast/mid Atlantic tones, the usual succinct, yet detailed and unfortunately harrowing account of some or another dramatic airborne tale unfurling before our very eyes.... for me, it truly is meditation! In this case, as having heard dozens if not hundreds of these, it once again reminded me if the oh so very human element in flying an aircraft. All the instruments in the world dont compensate for visual clues: you see the ground - you want to get on it. Moreover, even where the instruments ARE used, this, even more illustrates the difference between incident and disaster is often literally seconds. Exactly as described, I could feel the young first officer "doing it by the book " and the "resinous old salt" doing it "by eye" and that's because, quite simply, I believe to this day that instruments AREN'T as immediately reactive as the human sense so, whatever training is given, ultimately the senior commanders, still steeped in WW2 technology (which I think hasn't really changed much for 80 years....) go "by feel". And I'd have to say, thank Christ they do. Just like the Air France flight that crashed into woods at the end of a totally ill advised ultra low fly-by, the 5 second delay here from "the tech" caused this prang.... if the pilots had had perfect centisecond info relayed, this wouldn't have happened.....

  • @michaelschwartz9485
    @michaelschwartz9485 2 года назад +8

    Why wasn't the radio altimeter calling out altitudes? I had no idea about contact lens issues. When one of my happiest days comes, having a pilots license, I'll have to see if my contacts are the right kind. I'll bet very few GA pilots and possibly commercial pilots, know about the lens differences. That's a massively important thing to know! Thank you for bringing it to our attention!! Great video, as always!!

    • @ntdscherer
      @ntdscherer Год назад

      The wrong kind is monovision (one for distance and one for close up), prescribed for older and middle aged people.

  • @PMX
    @PMX 2 года назад +4

    There are multifocal contact lenses which allow for both close and long distance vision (close when looking downwards, so he would be able to focus on instruments), although they are far more expensive than monovision lenses, which are simply regular lenses where you put one lens for close vision in one eye, and a far vision in the other. Unlike monovision lenses, there is no problem with depth perception, but it doesn't really seem like this was the main cause of the accident anyway. At long distances depth perception is negligible anyway, and vibrations in the cabin/slight movements of the head would give about the same depth information.
    The biggest issue in this accident seems to have been the lack of visibility and out of date/delayed rate of descent reported by the instruments, which pilots hadn't been made aware of.

  • @bikeny
    @bikeny 2 года назад +13

    I've been wearing glasses since the 7th grade (should have done so earlier, but hey, I just sat closer and closer to the front of the classroom). Anyway, I've never used contact lenses as I never could past the issue of sticking something in my eyes. And back then all we had were the hard lenses.
    Great job with the video and the explanations.

    • @letsdiscussitoversometea8479
      @letsdiscussitoversometea8479 2 года назад

      I don't think it's good for a person to wear "corrective" lenses.
      They force the eye muscles to remain stunted in how much they can actually see without the lenses
      That's why longer periods without them can begin improving eyesight - the eye muscles have a chance to be more fully exercised.
      What really causes vision to deteriorate like this in the first place... I've heard about alcohol consumption during pregnancy being a factor, but that's not always the case.

    • @653j521
      @653j521 2 года назад +4

      @@letsdiscussitoversometea8479 That depends on your personal eye situation. It isn't one size fits all as far as care is concerned.

    • @ArcFixer
      @ArcFixer 2 года назад +5

      @@letsdiscussitoversometea8479 A font of misinformation.

    • @JimDean002
      @JimDean002 2 года назад

      I know the feeling. I didn't get glasses until 6th grade but I needed them earlier. Didn't really notice it until I finally mentioned to somebody that I couldn't read the chalkboard. I've worn them ever since. I've tried contacts before but apparently my eyelids are tight because the first time I blink they leave. I've tried newer soft ones older hard ones pretty much all of them and once I got past the phobia of plating my finger on my eye I found I just couldn't keep them in so it's Zenni optical for me all the way

    • @jannamyers6792
      @jannamyers6792 Год назад

      Can the tower order a go around?

  • @darinmay8046
    @darinmay8046 2 года назад +8

    "the medical examiner could not have known..."
    What?
    You look in their eyes. Contacts are quite obvious to see.
    I worse lenses for my FAS medical exams and declared them. Even if I didn't the examiner could see fornthemsves if I could pass the eye exam with or without them and make a determination.

  • @alexanderschonfeld5879
    @alexanderschonfeld5879 Год назад +1

    I was taught even in my early C-150 days that the VSI is a lagging instrument. That was also repeated in my C172 & C182 IFR training. I can't imagine that I'd forget that in multi-engine, commercial, or airline pilot training.

  • @afreightdogslife
    @afreightdogslife 2 года назад +2

    Today, one of the items that we must check in the FAA medical aplicaron, is the one that questions "Do you wear near vision contact lenses," and if you check "yes" you are probably going to be denied your medical.
    After all these years going through medical examinations, I have never met any pilot who wears NV contacts.
    Good video as always MACI.

    • @PanduPoluan
      @PanduPoluan Год назад +1

      I think it's "MV", not NV. As in "monovision".
      So one eye is fixed for far seeing, the other is fixed for near seeing. On normal casual usage, the brain will adapt. But one definitely loses a lot of distance estimation.

    • @jannamyers6792
      @jannamyers6792 Год назад

      I think you are making too much out. Of. This.

    • @afreightdogslife
      @afreightdogslife Год назад

      @@jannamyers6792 Not really, the FAA are the ones that make everything a hassle. For instance, you must report every single visit to any medical doctor or facility/clinic in the previous three years, but not only you must report your visits, you must put their names, their addresses, telephone number, reason of your visit, the names of the prescribed medicine(s), and dosage. So it is a big deal and what's more, it is a way for big brother to snoop into your life.

  • @cmendoza1094
    @cmendoza1094 2 года назад

    Dude, you're physic engine has the tips of the plane vibrating. INSANE DETAIL , love it!

  • @jackcash5521
    @jackcash5521 2 года назад

    Great video as always!

  • @micheleshively8557
    @micheleshively8557 2 года назад

    Excellent work thank you! Love the survival stories!

  • @dianericciardistewart2224
    @dianericciardistewart2224 Год назад

    That was interesting! Never thought contact lenses could be so important! Excellent video!! 👍✈✈👍

  • @GlennDavey
    @GlennDavey Год назад +1

    Me starting a new Flight Sim flight at the gate: "Thisssss........... is the story of doomed Flight...."

  • @lisamarieashby2523
    @lisamarieashby2523 Год назад +1

    I had cataract surgery done on both eyes, in 2013. The artificial lenses that go back into the capsule that sits behind the iris, are NOT measured to be exactly the same magnification in both eyes. That is to enable the binocular vision to remain intact. You can however request ones that are more conducive to short-range, medium-range, or long-range vision. I chose medium range. I still have to have "readers" for reading, and rx glasses to drive. Or get bi-focals.
    Anyway, it makes me slightly dizzy to be outside, looking further away due to those different lenses in the eyes. It takes me a minute for my eyes AND brain to adjust to it.

  • @tjotwo
    @tjotwo 2 года назад

    This is great info i did not know about. Thanks!

  • @Masu_Stargazer
    @Masu_Stargazer Год назад

    I believe the abbreviation MV is referring to MONO VISION contact lenses rather than MONOCULAR VISION contact lenses. Monocular vision means vision out of one eye and unless you only have contact lenses in one eye they can't be monocular contact lenses. If you are using both eyes (usually a prerequisite for holding a pilot's license although there are exceptions) then regardless of whether you are using glasses, contact lenses or nothing you have STEREOSCOPIC not MONOCULAR vision.
    Stereoscopic vision is what is used for short distance estimation whereas longer distances use angular size to estimate distance and MONO VISION contact lenses can alter your long distance perception in exactly the same way single focal length glasses meant for reading would.
    The other main type of contact lenses are bifocal lenses that use two different optical corrections, one for close vision (reading instruments et cetra) and the other for viewing object at a distance (outside the cockpit). Bifocal contact lenses will also alter you long distance depth perception, but not as much as mono focal length lenses would. It's exactly the same as using mono focal glasses rather than bifocal glasses. The mono focal lenses only correct for reading and things that are close, if you use them to view objects at a distance they the view will be distorted and most likely out of focus and blurry as well.
    I realize this is nit picking, but the difference between mono vision (meaning one focal length) and monocular vision (meaning viewing through one eye) is rather important in this situation.
    In reality pilots really need TRI-FOCAL (yes they are a thing) glasses or contact lenses as they need to view objects that are close to them both below (instruments & center console) and above (overhead console) the normal long distance objects through the cockpit windows in the middle of their vision.

  • @MrZlodeus
    @MrZlodeus Год назад

    That last moment was like, "Ho-lee-SHIT! Where in hell did that DA42 come from?!"

  • @andreadiamond7115
    @andreadiamond7115 Год назад

    I have mono vision cataract lenses and I never knew this. Thank you.

  • @jetaerobatics
    @jetaerobatics 2 года назад +8

    I wear approved aviation contact lenses which enhance my vision. I can't believe this pilot's medical examiner did not even know he wore lenses. It should have been declared by the pilot in his questionnaire and his eyes checked by the doc. What else was the pilot unwilling to declare?

    • @firebladex8586
      @firebladex8586 2 года назад

      His drinking habit 😂

    • @fatfreddyscoat7564
      @fatfreddyscoat7564 Год назад +2

      Did you listen to the end part where contact lenses weren’t banned but they since banned specific ones? Right near the end.

  • @mstrblaster1772
    @mstrblaster1772 2 года назад

    Great info....thx

  • @virginiaviola5097
    @virginiaviola5097 2 года назад +1

    What was that little plane that flew in from the right just as the plane was landing at the end of the video? It gave me a heart attack. Fantastic work, as always. Love your channel.

  • @jsmith2132
    @jsmith2132 Год назад

    Nice video ... well done.

  • @WilliamHBaird-eq2hp
    @WilliamHBaird-eq2hp Год назад

    Good Video ... Subscribed

  • @para1324
    @para1324 Год назад

    A good example of a domino effect leading to the conclusion. Lessons learned.

  • @luckytuck3463
    @luckytuck3463 Год назад +3

    That visual illusion is called the blackhole effect, where its hard to differentiate distances. As a pilot who wheres contact lenses, I believe you are highly inaccurate on blaming that its the contact lenses. This same thing would happen to any pilot even those without contacts. Plus the first officer wouldn’t immediately call a go around based off decent rate, he could have called for slight adjustments to the landing based off decent rate and altitude

    • @ntdscherer
      @ntdscherer Год назад

      Do you wear monovision lenses? I know the video didn't really explain it at all, but it's that specific type of prescription that may have caused the problem.

  • @daybreakgray3452
    @daybreakgray3452 2 года назад +3

    I was wondering why driving seems off, now that I'm regularly wearing contact lenses. I'll talk to my optometrist about this, see if I can get a different pair prescribed next time

  • @billryland6199
    @billryland6199 2 года назад +13

    The PAPI lights were red. The pilot still had the instruments showing altitude and rate of descent.

    • @yellow73914
      @yellow73914 2 года назад +5

      Yup, and he still had glideslope indications to back himself up on too. And a qualified FO who could have taken control as he realized the imminent crash. Blaming this crash on contact lenses is a wild red herring.

    • @XemawthEvo2
      @XemawthEvo2 2 года назад

      What if they were on the correct glide slop until the last second? What if the PAPI lights only turned red after it was too late to do anything? As someone who also wasn't there, I'd be hesitant an asserting certainties...

    • @yellow73914
      @yellow73914 2 года назад +1

      @@XemawthEvo2 The captain's bars are 1000' down the runway. If the PAPI's went red at the last second, they would have hit tarmac not approach lights. They would have seen 4 red PAPI's starting at least 10 seconds prior to touchdown, more than enough time to correct or go around.

    • @anthonywilliams9852
      @anthonywilliams9852 2 года назад +1

      And radar altitude.

  • @daveblackford6097
    @daveblackford6097 Год назад

    This is just another example of the fact that aviation safety will always be evolving.

  • @eddieharkin2550
    @eddieharkin2550 2 года назад

    I didn't know about monocular vision. Once again I have learned from your brilliant channel.

    • @ntdscherer
      @ntdscherer Год назад

      Not monocular vision - that would be vision with only one eye. Two things - monocular depth perception cues, which don't rely on the parallax from the two eyes - and monovision contact lens prescriptions.

    • @eddieharkin2550
      @eddieharkin2550 Год назад +1

      @@ntdscherer thank you

  • @surferdude4487
    @surferdude4487 2 года назад +5

    I'm blind now, but back in the day, I wore contact lenses. They were a constant source of pain. Yes, I can believe that contact lenses could cause enough distortion to cause a plane crash.

    • @232K7
      @232K7 2 года назад

      Wait how did you type this

    • @surferdude4487
      @surferdude4487 2 года назад +1

      @@232K7 Well, there's this bit of technology called a keyboard...
      But what you really mean is, "How do you read the screen?", right?
      I use a screen reader. The one I use on my computer is JAWS. Siri on the iPhone is the same idea.

  • @commerce-usa
    @commerce-usa 2 года назад +4

    Hoping that more modern aircraft do a better job of monitoring and reporting on discrepancies between readings of conflicting altitude and speed data. Knowing your height above ground may not be where you expect would seem useful during a landing.
    Great job on this one. Interesting insights.

  • @VegasLounge
    @VegasLounge Год назад +1

    I have terrible vision and have been wearing glasses/contacts for most of my life. On top of it, my eyes are extremely imbalanced in their awfulness, with astigmatism in one eye but not the other. This would have been a nightmare scenario for me- I avoid driving at night, even streets I know well, because I can't trust my depth perception in low light.

  • @obroberts6533
    @obroberts6533 Год назад

    With all these mechanical, instrument, weather and pilot errors I see in all these incidences and accidents, I never want to fly again. Tho it may be the safest mode of transportation, I just can't believe that traveling by air will get me to my destination, I should stop my addiction to these very informative critiques. I guess they just terrify me like a bad dream. You do a great job but even you can't ease my concern when there are so many variables.

  • @lyndylulu2
    @lyndylulu2 2 года назад +4

    Instead of abbreviating the type of contacts to MV, it would add to our understanding if the entire word were said each time. We lay people who wear them, at least among those I know, never use the description "MV" when referring to them.

    • @ntdscherer
      @ntdscherer Год назад

      Not to mention that he didn't explain what they are, or if he did I missed it.

  • @soogymoogi
    @soogymoogi 2 года назад +6

    I once had a contact fall out of my eye during a 25man raid in World of Warcraft. Everyone survived there too.
    Interesting to know - I find my eyesight a lot more accurate with contacts but if your eyes get dry there's certainly problems there, and contact technology has hopefully improved since 96.

  • @PineappleForFun
    @PineappleForFun 2 года назад +6

    I've been loving the addition of flight sim footage. I know my opinion doesn't count for much, but wanted to chime in.

    • @MiniAirCrashInvestigation
      @MiniAirCrashInvestigation  2 года назад +3

      Thank you!

    • @NiHaoMike64
      @NiHaoMike64 2 года назад +4

      In the end clip where there was a plane going around and another one trying to land on the same runway as the player, are those other players or just bad AI?

    • @MiniAirCrashInvestigation
      @MiniAirCrashInvestigation  2 года назад +3

      @@NiHaoMike64 other players

    • @K1OIK
      @K1OIK 2 года назад

      sim?

  • @rrknl5187
    @rrknl5187 2 года назад +4

    I know a thing or two about contact lenses and flying........in 1989, I was a 727 captain beginning my transition to L-1011s when I was diagnosed as having keratoconus in one eye. Hard contacts were the only thing available at the time and they were not approved for flying and thus, ended my career as pilot.
    Also, the vast majority of VSIs (Vertical Speed Indicators) have lag. In fact, I've only heard of instantaneous ones, never actually seen one. They are a secondary instrument, not to be used to determine descent rate during the final phase of an approach.
    I wasn't there so I can't say for sure but it seems to me that if the nose was raised in preparation for a possible go-sround, then the approach became unstable and a go-around should have been initiated based on that alone. Again, I wasn't there so I'm guessing at best.

  • @xanrichardson8738
    @xanrichardson8738 2 года назад +8

    This is my favourite aviation accident channel I love it that you cover interesting cases like this... who knew contact lenses could cause something like this

    • @gregorylaco6193
      @gregorylaco6193 2 года назад

      What about his gay sounding voice though? And his use of odd expressions?

    • @xanrichardson8738
      @xanrichardson8738 2 года назад +1

      @@gregorylaco6193 personally I have no issues with how the videos are produced but if you do you don't have to watch them. That's the great thing about RUclips you can turn off things you don't like

  • @randalldavis3251
    @randalldavis3251 Год назад

    They were fortunate to aaquire the knowledge about contacts without the loss of life.Also the lag on the gauges.

  • @erich930
    @erich930 Год назад

    I had no idea contact lenses could do that! I’ll have to make sure my future eye glasses prescriptions are okay…
    Anywho, a little not: the VSI delay you noted is not unique to the MD-80. It’s a bug in every VSI in every airplane ever! This is something we learn at the private pilot level, so I am very surprised so many of the pilots apparently didn’t know about it.

  • @JohannesSebastian
    @JohannesSebastian Год назад +1

    You should put up dates, names, destinations etc. as text.
    It's a lot of data to keep track of. ..

  • @the_bottomfragger
    @the_bottomfragger 2 года назад +2

    As an avid user of contact lenses, the dangers really don't surprise me. When in low light or low humidity (both applies here), vision can get blurry because the eyes tend to dry out faster under these conditions. Even worse, when we focus on one thing for a long time we tend to blink much less which massively contributes to eyes drying out. All of this can severely impact the vision.

    • @NickanM
      @NickanM Год назад

      Amen.
      As a lens wearer of 36 years, I 100% agree.

  • @professionalasexual172
    @professionalasexual172 Год назад

    POV: You are scrolling through the comments, listening to the video and reading comments at the same time because your internet-rotted brain needs more than one input source at all times. If you are not overwhelmed by both visual and auditory stimuli you start feeling empty, until a ball of anxiety appears in your stomach. You have taken in at most 30% of the information of this video. You will restart it, telling yourself that you will pay attention this time. You will end up retaining even less information. You cannot remember the last comment you read. You know the outro by heart and have rewatched the whole channel several times. Aviation incidents is your latest hyperfixation. You are indeed neurodivergent

  • @RealGaryGibson
    @RealGaryGibson 2 года назад +2

    What about the PAPI lights (Precision Approach Path Indicator)? Surely that would have been a great clue to either pilot that the approach was way too low. Did they mention that in the report?

  • @jyggalag169
    @jyggalag169 2 года назад +1

    Ive got a complaint about your latest playlist. Ive watched all your “Aircraft Happy Endings” playlist and in not one of them did someone receive a happy ending.

  • @shaggybreeks
    @shaggybreeks Год назад

    I'm at the age where I need corrective lenses to drive. When I got my prescription glasses, I noticed lots of distortion. While they help me read signs, I can actually see to drive better without them. I get sharp focus of what's in front of me with the glasses, but I'm finding out that there's much more to seeing, than just sharp focus of what's directly in front, and in order to get that, we sometimes sacrifice other qualities and end up with something worse, not better.

  • @kzrlgo
    @kzrlgo Год назад

    "Any ladning you can walk away from is a good landing"

  • @Emars118
    @Emars118 2 года назад +5

    I love listening to these when there’s time to pass…even while waiting at the gate to board my plane.

    • @gregorylaco6193
      @gregorylaco6193 2 года назад

      What do you think of his gay sounding voice?

    • @Emars118
      @Emars118 2 года назад +1

      @@gregorylaco6193 his voice is pretty hot

    • @giggiddy
      @giggiddy 2 года назад

      @@gregorylaco6193 it probably reminds you of your boyfriends voice

    • @653j521
      @653j521 2 года назад

      @@gregorylaco6193 This is your third post on this subject, troll.

    • @hamentaschen
      @hamentaschen 2 года назад

      @@gregorylaco6193 Honestly, I like your mother's voice. She didn't use it much last night. We didn't do much talking. Just saying.

  • @davidp2888
    @davidp2888 2 года назад +1

    Great video.

  • @cpt_nordbart
    @cpt_nordbart Год назад

    As someone with monocular vision I can see how this could impair people that are used to binocular vision.

  • @GOLDVIOLINbowofdeath
    @GOLDVIOLINbowofdeath Год назад

    The first officer should’ve been admiring the scenery just like Sully

  • @brianolson6366
    @brianolson6366 2 года назад

    Very interesting

  • @casparcoaster1936
    @casparcoaster1936 2 года назад

    gray and cloudy days on a tree lined country road in the Appalachian Mts can definitely messes with my driving....

  • @mrralphman
    @mrralphman 2 года назад

    Nice Video, being too lazy to Google do you know what happened to the Pilots after the review. Seems that they were battling with some things out of their control/knowledge?

  • @rilmar2137
    @rilmar2137 2 года назад +5

    Contacts? *chuckles* I'm in danger

  • @alistercat
    @alistercat Год назад

    so that's why the eye doctor needs to know what my job is lol

  • @raygiordano1045
    @raygiordano1045 2 года назад +1

    I took a few flying lessons 40 years ago and I still remember that some instruments have lag, I can't believe that those passenger pilots didn't know it too.

    • @imaPangolin
      @imaPangolin 2 года назад +1

      The vertical speed indicator can be traditional which is a calibrated leak and thus have a lag. Or it can be an iVSI which is instantaneous. The plane I fly has an iVSI yet some pilots think it’s not.

    • @mohammadhhabashizadeh6644
      @mohammadhhabashizadeh6644 2 года назад +1

      On md80s that lag too far behind.actually 6 to 9 seconds , I'm sure they knew that as a professional and type rated pilot but the speed and rate of change of event in that a/c is a blink of an eye. also night landings are if much more courage.

    • @raygiordano1045
      @raygiordano1045 2 года назад

      @@imaPangolin I don't know what an iVSI is, but I guess it is some sort of radar VSI. I would be surprised if they hadn't come up with something better in 40 years.

    • @imaPangolin
      @imaPangolin 2 года назад +1

      @@raygiordano1045 not radar. Just instantaneous vertical speed indicator. I actually don’t know how it works! But it gives actual rate at the moment.

  • @gregreed3484
    @gregreed3484 Год назад

    A lot of CRM issues here!! The Captain should have stayed on the instruments until the FO said HE, the FO, had the runway in sight! And the the FO should then have monitored the ILS Glide Slope until they where over the runway. The tendency in a low approach is to 'duck under' when going visual after an Instrument low approach. Therefore it is incumbent upon the pilot monitoring to insure that they pay close attention to the aircraft's position relative to the correct course and glide path until touch down in the Touch Down Zone is assured. I can't even begin to count the number of low approaches over the years that I had to literally yell at the FO to - pull up - because when they went visual after I called the runway in sight they then tried to 'duck under'! Even without his contact lens issues the Captain was setting himself up for problems by going visual early! We talked a lot about this accident at my next recurrent ground school.

  • @alainburki
    @alainburki Год назад

    I'm sorry i just had to say: OMG this episode starts with La Guardia? How bad can it be? (viewer from Switzerland)

  • @Mountain-Man-3000
    @Mountain-Man-3000 2 года назад

    The Swiss cheese sure did line up on that day...

  • @paulazemeckis7835
    @paulazemeckis7835 2 года назад

    I hated when I had to fly on any MD_8N back in the 80s/90s.

  • @davidpatton7298
    @davidpatton7298 Год назад

    I was struck with the fact that there are no standards for spacing runway approach lights, and that they aren’t designed to radically deviate from the actual runway lights.

  • @SeamusDonohueEVEOnline
    @SeamusDonohueEVEOnline 2 года назад +1

    10:18 I'm sorry, but WHAT THE HELL are those two planes doing there!? :P

  • @jameswg13
    @jameswg13 2 года назад +1

    A lot of little things added up. Noone overly at fault

  • @tomhughlett860
    @tomhughlett860 2 года назад +1

    ! With two pilots, why did neither check the glide slope needle? There was a note the ils was unusable below 200'. The deviation below glideslope was caused by the rejected takeoff ahead of them. Then they were flying an unstable approach. More than one dot below glideslope nearing dh (decision height) would have been reason for me to go around. The contact lens issue would not even been a problem if they had not deviated below glide path.

    • @reubenmorris487
      @reubenmorris487 2 года назад

      F.O. was monitoring instruments during the approach. They both became distracted with the departing aircraft's RTO...bad call by ATC clearing them for takeoff IMO...

    • @tomhughlett860
      @tomhughlett860 2 года назад

      @Reuben Morris I agree. I suppose ATC is under a lot of pressure to keep up the pace.

  • @murraystewartj
    @murraystewartj 2 года назад

    Like so many of these incidents - a series of seemingly unconnected things cause an accident. Luckily, the lessons learned from this accident flight were not written in blood.

  • @richarddyasonihc
    @richarddyasonihc 2 года назад

    Yes, I have a PPL, with aerobatic certification/endorsement. Generally speaking, contact lenses are much better than glasses, because I get a much better range of vision. But once I remember executing a series of aerobatic manoeuvres, when the Velcro strip holding my headset on came adrift during the initial loop (while inverted), unfortunately the microphone knocked out one of the lenses,, a little disturbing, however I managed to get the aeroplane straight & level - but luckily I found the contact lens and reinstalled it

  • @bernardinorodriguez4178
    @bernardinorodriguez4178 2 года назад +1

    I like your program very much

  • @briant7265
    @briant7265 2 года назад +1

    There are so many interesting factors involved. Stuff you wouldn't normally think about. I love these cases where we learn new things!

  • @TimothyChapman
    @TimothyChapman Год назад

    I learned some time ago that vertical speed indicators lag by several seconds.

  • @zew1414
    @zew1414 2 года назад

    Ok now 2:03 in and yet I had not heard they contacted the tower yet

  • @hellfire8883
    @hellfire8883 Год назад

    I like the information but why are so many of the vids so dark in color. It can be really hard to see whats going on.

  • @jamesstuart3346
    @jamesstuart3346 2 года назад

    I wanna know why those 2 other aircraft are buzzing the runway at the end. Did their pilots wear contacts too

  • @hugovandenberg313
    @hugovandenberg313 2 года назад

    AFAIK all VSI's lag behind the real vertical speed. A VSI measures the difference between the current static pressure and the static pressure 'some time ago', the latter is measured in an air chamber that loses or gains pressure slowly. As one of the measurements is from 'some time ago', your reading on the VSI will also be from 'some time ago' AKA, it lags behind by design. There's a reason it's called 'indicator' I learned this in my PPL(A) ground school already. Weird that the FO forgot about this. You can see this for yourself in a sim. Fly straight and level, then push the nose down seriously. You'll go down visibly, but the VSI will take some time to catch up with your descent speed. Then pull up, the VSI will lag behind again.

  • @maxtornogood
    @maxtornogood 2 года назад +1

    No such thing as a 'small' issue in aviation, they can all lead to serious incidents like this or worse.

  • @Not_me9791
    @Not_me9791 Год назад

    What is a mv contact lens?

  • @thereissomecoolstuff
    @thereissomecoolstuff 2 года назад +2

    Another great story. This channel should be included in airline pilot training. The the live action at the very end. LaGuardia is a very busy place.

  • @user-fr3hy9uh6y
    @user-fr3hy9uh6y 2 года назад +2

    WoW when did the FAA change their Eye test requirements? Currently the requirements is "Both eyes separately". A person with uncorrected monovision could never pass the test. Yes I wear glasses when flying but do not have to when driving.

    • @ntdscherer
      @ntdscherer Год назад

      "Uncorrected monovision"? Monovision is a type of contact lens prescription, not an eye condition.

    • @user-fr3hy9uh6y
      @user-fr3hy9uh6y Год назад

      @@ntdscherer Sorry, I have Monovision. Only one eye is nearsighted. I must wear glasses while flying but I do not have to wear them while driving.

  • @hamentaschen
    @hamentaschen 2 года назад

    10:01 What an asshole flying that private plane so close to a landing passenger jet!!! 😂

  • @billyhillk5726
    @billyhillk5726 2 года назад

    All the medical requirements for vision are just like a car driving license. It states on the certificate: "must wear corrective lenses".

  • @erikdentremont2891
    @erikdentremont2891 3 месяца назад

    Would someone who is legally blind in one eye ever be able to get a commercial pilot's license?

  • @phillips2683
    @phillips2683 2 года назад

    I wore soft contact lenses boxing both amateur pro. Lost one lenses the first time and after that I never lost a lenses.

  • @PistolP33
    @PistolP33 Год назад +1

    I was on that flight. We were just commenting on how foggy it was and grew concerned with our chances of getting to the runway safely.
    The person seated next to me then began lightly cupping his hand over my genitals. The Mets spent way too much money on its payroll. Hi.

  • @pilot645
    @pilot645 Год назад

    at 3:13 you said they would have to go around as soon as they hit their minimum decent altitude. i think you got decision altitude and minimum decent altitude(mda) mixed up

  • @billolsen4360
    @billolsen4360 Год назад

    Always expect bad weather in NYC

  • @gman83090
    @gman83090 2 года назад

    That’s why I wear glasses and I don’t wear contacts