How HIGH CAN PLANES fly? What is the COFFIN CORNER? Explained by CAPTAIN JOE
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- Опубликовано: 22 май 2024
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Dear friends and followers, welcome back to my channel!
Today we’ll be looking at on „How high can planes fly“? What determines their maximum altitude? What are the dangers of flying too high? What are the Optimum, Maximum and Recommended Altitudes?
I hope all these questions will be answered in this video!
Enjoy!
Thank you very much for your time! I hope you enjoy this video!
Wishing you all the best!
Your "Captain" Joe
Big thank you to all other youtubers who provided me with the video material to create this video. Your content is highly appreciated. Please follow their channels:
@Boeing
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ALL COPYRIGHTS TO THIS VIDEO ARE OWNED BY FLYWITHCAPTAINJOE.COM ANY COPYING OR ILLEGALLY DOWNLOADING AND PUBLISHING ON OTHER PLATFORMS WILL FOLLOW LEGAL CONSEQUENCES 
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SR-71 Blackbird has entered the chat.
SR-71 Blackbird has entered the chat while escaping the Earth :)
U-2 aka "Dragon Lady" has also entered the chat.
AVRO Arrows lets out a yawn.
X-15 has entered the chat
Ha ha!!! Indeed it has!!
The 747-400's ceiling is actually 45100 feet. Pretty high! And your slow continuous climb took 40 minutes.
Yes agree! One of our 747-400 the BCF recently flew from JNB to NBO at 45000 feet. I had never seen that before. But regularly at 43000 feet especially from EZE to UIO. Indeed 45000.
Well done Buddy!
@Aditya Shaligram the restriction by the manufacturer is always lower than what can be achieved, so if a pilot flies at 43000, he has a safety margin
so if i understand correctly there are 4 limits:
1. max height company/flightplan
2. max height atc/faa
3. max height manufacturer
4. physical max
Right??
@@flywithcaptainjoe can you please explain how to operate the radios and how they work etc.
Yes guys the legend is back.
But... He was always here... He didnt even take a break.
Legends never go.
he never left
He never left
Legend?!! Yeah right
"DEAR FRIENDS AND FOLLOWERS" never get old
Thanks
Ikr
As a Boeing engineer I witnessed a 747-400 flight test where the airplane climbed above the maneuver limit altitude (where the amber bands came together) and continued climbing until rate of climb came to zero (slowly wobbling between 50 fpm up and down). The condition was very comfortable and just felt like normal cruise. It was fascinating to see the mighty 747 reach its performance limit. Thanks, Joe, for reminding me of this experience (and many others)!
Kennedy Steve always makes me smile.
Me to!
Welcome back... the ones that still know Captain Joe from his old videos... RESPECT🖤
Thanks Andrina :)
I'd be interested in a video on the aerodynamics of high speed flight. The insight on the blanket of air around the control surfaces which prevents a pilot from recovering was interesting.
It took you 40 mins to complete the climb (hope that’s right, I’m a bit tired so it could be wrong)
4 000 ft at 100 ft/min > 40 minutes
Check out the brains! Top of the class for sure.
@@ralphvanthoff *Matt Parker has entered the chat*
9:45 That's why pilots are carefull not to aproach the coffin corner in the first place
U2 pilots: (chuckles) *I'm in danger*
lol
Thanks for continuing to make awesome content breaking down this stuff that is so much harder to understand when taught for whatever reason. Always learning!
There's always something to learn in this channel. Thank you!
You amaze me every time you post!! Keep up the great work! 🤙✈️
Absolutely fascinating. Joe is incomparable! 💛🙏🏼
Bro thanks so much for this vid. I have been asking you for this vid so much. The best yt channel ever
Hey Joe, very glad you’re still in an operational seat, alas my company have retired our 744’s so I’m seatless at the moment. Keep educating, you’re doing a great job.
Great vid one again joe. Keep up the good work buddy😁😉
Hi Captain Joe! I always love watching your videos, as I’m a student pilot and I plan to get a degree in aerospace engineering. Even though I’m at the PPL level I still love to learn about topics more relevant to commercial/ATPL ratings since I think it gives me a better understanding of aviation as a whole and helps my flying. I’ve always been interested in supersonic flight and I’d love to watch a video about how flight dynamics change In the transonic and supersonic range. I’ve also always wanted a good explanation of why hypersonic and supersonic are referred to separately. I’ve heard that at hypersonic speeds the air along the leading edges of the aircraft can chemically decompose and cause aerodynamic issues but I’ve never understood it well.
Thank you for the video. Always loving watching them and I’ve learnt so much. Thank you
Another informative video captain Joe, always a pleasure watching and can’t wait for the next
Hey Joe loving the video consistency recently. As always providing us this quality educational and entertaining content. Keep it up bro!✈️👍🏽👋🏾
The next 12 weeks are set :)
@@flywithcaptainjoe YESSSSS, looking forward to the videos! You’ve been a huge inspiration to me, thank you Captain Joe :))🙏🏽✈️
Would the climb take around 40 minutes?
A BIG YES TO THE HIGH SPEED AERODYNMICS VIDEO.........Loads of love from a
Huge Fan
Awesome video Joe! Would love to see a video on weather systems: what you can/cannot fly into. Thanks
I never learned about the coffin corner in my commercial ground school. Glad it was finally explained to me.
More detailed video coming!
If a pilot finds themselves in coffin corner, how do they escape from it (without breaking the aircraft, stalling or dying?)
So, you cannot recover from a machdive/machtuck even if you cut the engine thrust to minimum? Does the dive just get steeper and steeper? Scary.
So would that rip the wings off?
Nice one, Joe! Yes, would love to learn more about high speed aerodynamics! 👍🏻
... but then again, I'm a sucker for all aeronautical physics 😉
As always! Love your videos, and rule Concorde!🇬🇧✈️
Thanks for another great video C.J. Please keep up the excellent work. Be safe. Stay healthy.
Yea captain Joe, bring those high speed aerodynamics videos
Yes, I'd like to see/know how the engineers overcame the mach 1 drag.
6:35 Beautiful engine/wing shot 😍
CA Joe Thank you for sharing these valuable info.
one of your best videos... Perfect ... Happy Fly Captain
Hey captain Joe, I got a video idea, talk about all the lights/callouts related to failures or other emergencies
*I was pondering over this question last week...*
Your video uploaded in the first day of Lunar New Year. Happy Lunar New Year !! From Viet Nam with love
Awesome video, it's so interesting when you talk about things that you probably won't encounter because if you do, you may not be able to recover. Aerodynamics of high speed flight would be a great video, I'd watch a 3+ hour video about it! Great channel Captain Joe!
I remember the B-58’s causing sonic booms back in the 1960’s. The were designed to go supersonic. I rode a flight years ago that cruised at 41,000 feet. It was CAVU that day. That was some view up there.
Extraordinary looking plane. I wonder if any still preserved. It had to be kept just for art sake.
Cool looking plane.
Sure you where kid
Did you know a commercial 747 and a DC-10 both went supersonic (by accident). No damage was found on the 747, the DC-10 had slight.
@@mccallfrank007 The flight Captain announced our cruising altitude as 41,000 and the flight data on the cabin video screens displayed that number. As I recall the plane was an airbus A-319. 41,000 feet is well below the service ceiling of that plane.
Would love to hear about high speed aircraft, especially how they navigate in spaces that commercial airplanes won't!
Nice one joe. It’s absolutely perfect.
Nice one Joe! Very entertaining description of a phenomenon Ive seen many times at airshows, and I finally know the science behind it! 😁
Probably the most interesting plane in regards to the so called coffin corner is the Lockheed U 2. It can fly at 70,000 feet but, at that height the difference between the never-exceed speed and stall speed is 12 mph or 10 knots. Sounds challenging even before considering you need to wear a spacesuit to fly (and potentially eject) at that altitude.
The U2 spy plane was one of the plane with the smallest coffin corner less than 10kts, from STALL speed to MMO at cruise altitude.
Yet another engaging and informative video. Well done!
Captain Joe,I just love you and the way you explain things
Thanks for this sir! Ive always dreamed of being a pilot (im 9)
Captain Joe Squad!🔥🤟
Great stuff Joe!
I’m glad I found your channel again.😄
Video Request - "Power Settings On Aircraft"
If you mean do we apply a particular setting to achieve a speed? Then no, the air is far too fluid also weight and trim changes would prevent that working, however like cruise control in your car our autothrottle system will change power to provide a constant speed/Mach.
The only exception to this is final approach where gear down, flap25, top hat (3 degrees NU) and 1.15 EPR would have you at VREF+5.
MSFS: MAX POWAH!!
TOGA
please !!
B747-400 with RR RB211 G rated at 50,000lbs from after start the engine will settle at Ground idle with the thrust levers closed.
The next setting will be Take off power and this is where a video would help because it’s not as straightforward as it sounds, there are four options to take off power, they are:
1 Rated power, in my case 50,000lbs
2 Assumed temp reduced thrust
3 Derated thrust 1
4 Derated thrust 2
The top two are the ones we use most as we are either going a long way in a heavy aeroplane or we are going for a flight of say 8 hrs or less even if we’re full, then assumed temp thrust reduction is the norm.
The last two are pretty much only used in contaminated conditions so not very often and it’s just to artificially lower the minimum control speeds in the event of an engine failure so that you can either stop with degraded braking performance or get airborne at a lower speed than usual. Because it’s not used very much, some companies ban its use.
Next is Climb power and again 3 options depending on aircraft weight or obstacles in the flight path, they are:
1 Rated CLB power virtually the same as MAX continuous thrust.
2 CLB 1 a fixed reduction from TO power.
3 CLB 2 see above but more.
The rest of the flight will be in speed mode as I said in my earlier comment with CLB mode used for Step climbs that Joe talked about.
During descent a combination of flight idle (higher idle setting than ground idle to reduce spool up times) VS mode or VNAV which combines all of the above owing to it taking note of altitude restrictions on route particularly in terminal areas.
After flap extension (can’t remember how much and can’t be arsed to look it up) approach idle comes into force again to reduce spool up times to almost nothing should you have to use idle to control speed.
After landing it is mandatory to use at least revers idle, again a high idle to avoid compressor stall, as the reverse levers are moved to the idle gate, the reverse shrouds deploy and the REVS display turns green then anything up to Max reverse can be used, there is a detent which we call partial reverse that is approximately half thrust most normally used on shorter or contaminated runways, as speed reduces so should reverse in order to be idle reverse by 80kts.
When the reverse levers are stowed ground idle is back in force until you reach the gate and shut down.
45,100ft service ceiling for the 747-400.
Excellent video Captain Joe!
Wonderful lesson,
Thank you
Cheat code to avoid a mach dive: have a delta wing.
Well explained as always :) Thanks for the effort! (PS: The climb took you 40 minutes. 4000ft/100ft/min= 40min)
Thanks for this great knowledge Joe❤️😊.
Bought the book yesterday- finished taking notes and scheduled immediate steps. Every chapter in the 10 that i have read so far feels realistic to achieve{ planned to read less and implement immediately then start the next 10 }. Thanks Captain. And I have covered around 20 videos - experiencing this one today.
There are some interesting documentaries about the U2 operating very close to coffin corner
That Kennedy Steve Intro tho!
Just amazing , loved this one
Very interesting and so well explained. Good job Captain!
I hope one day this legend here will get 4 lines and become a captain. truely deserved but ye, maybe he have to wait a bit more time before that happens
AFAIK Joe attained Captain before when he flew for Airberlin, but he went back to being FO after he went to Cargolux. Man's got about 5k hours on the A320 family though so he's absolutely experienced enough. Company seniority's a bitch, but it is what it is.
Is there a maximum flight level ATC can clear you to? Or as long as you are within the limitations of your plane you can be cleared as high as you'd like?
yes yes ! i do want to learn more about high speed flight - beyond transonic speeds🙂
great video , loving your content 👍
Yes please! High speed dynamics! Can't wait for a video on that from you!
Waiting for that “high speed aerodynamic” video
6:43
Rules can't stop me, I climbed to 2,800,000,000 feet in FSX once!
Ha ha. 2,800,000 000 (are you sure that's right....) That's twice the distance of the moon from earth.... 2,800,000,000 ft = 530,303.0303 miles, more than twice the distance of the moon to earth. (The moon is only ~238,855 miles from earth (on average).
In reality, the upper limits of the earth's atmosphere is about 47,520 ft. (that coffin corner thing....).....Unless of course you're Maverick in Top Gun, he'll try anything.
welcome to steam edition
40 mins. Loved this video, keep it up!
Al always learn something!! Thanks for the video.
Question: How Concorde manages to overcome MACH still being an airline aircraft
aerodynamics and afterburner
Delta wings and a shockwave adopted outline (sharp wing leading edges, pointy nose etc.)
Sir I'm 12 years old and it's my dream to become a pilot. Your videos give me an inspiration to follow my passion and I promise that I'll study so hard and will become a successful pilot one day ❤️... I just find it so fascinating to be a pilot as Ive always had this curiousity about commercial planes and pilot... Sending you lots of best wishes From india ❤️🥰🙏
I also want to become pilot..I am from India
I am sure he will be an excellent captain. He always uses terms I’ve never heard before. I had to watch this twice....
Great video again Cpt Joe. And I definitely would like a video about supersonic aerodynamics!
Me: sees the title *coffin*
My brain: starts playing the coffin meme song
Same
Service ceiling of 45,000 feet is pretty impressive for a commercial plane. As most fighter planes have service ceiling of 50,000 feet.
Or 60,000
@@johnp139 Yes like in f-15
Great video. Your videos make my day. Continue with the beautiful work you do.🥰😘
Great video once again. Thank you very much.
I hoped you would explain hou to get out of the coffin corner. Reduce power to the engines maybe?
I think the best solution is to not even try to approach the coffin corner?😂
@@geofs_yt_pursuer6976 yes off course! But that’s not the answer to my question is it? He said do not climb because of stall and do not descend because of increasing airspeed. So what do you do?
@@KoenvanderKouwe You descend at a constant speed by reducing thrust accordingly. With an autopilot with autothrottles, it isn't hard to do.
@@TheOwenMajor Thanks Owen
@@TheOwenMajor yeap. controlled descent.
9:22
*My first officer Joe hit the coffin corner of this voice there*
@tester123532456 Of course I wasn't using standard English here. I'll change it then. 😅
@@TheAviationChannel at least you got his proper title right. 😂😂😂
As always, very informative!
Great Video Joe!
Boeing 747-400 F Maximum Operating Altitude :
45,100 Feet or approximately 13750 meter
The time taken for the slow continuous climb that has been driven by Captain Joe and the auto pilot :
40 min or half an hour and 10 min
All question are responded that has been given by Joe sir : ✔️
Record and stored this video on my brain 🧠 : ✔️
And my request pls don't say I am a Robot I am human like auto pilot 😂🤣
First officer Joe 😎😎
Correct. Def not a captain hence 3 stripes.
Thanked Captain Joe..for valuable information about Aeroplanes, to Aeromodelling enthusiasts
Informative as always, Captain 😉
4:59 It took you 40 minutes to do the slow continuous climb?....
HELLO FELLOW EARLY GANG
Aka: subscribers :)
Yes! High speed flight aerodynamics are exactly what I’m looking to study in the future. Please do some videos 😃
Amazing video joe🤩
I was actually pretty curious about absolute ceiling and it seems to be 45,000 ft for 747-8. The information on this is really scarce and the only actual mention of absolute ceiling was on doc8643.com/aircraft/B748 , but like you said, I'm not by any means sure if this is an official number or not.
4:58 - The answer is 40 minutes.
Thanks for great video!
You could be the best flight instructor ever.. the way you explain things is awesome .... Yes for aerodynamics videos
How was concorde able to operate in such extreme limits
Wing characteristics (delta shape), supersonic engines, afterburners, and being a relatively thin plane all helped it do some amazing things with height and speed.
Wind resistance goes up exponentially as speed increases and in order to fly the speeds that concord needed to fly and still maintain a respectable fuel range, they needed the air to be as thin as possible, hence the high altitudes. The rest of the plane was then designed to fly at those altitudes.
Moving faster means you can fly in thinner air and still get lift.
She is faster rider than anyone
@@stonent and a lot of money from British and French govt
We bought my grandpa's casket at the Coffin Corner. They have great prices.
Oooh jealous. I tried to get an authentic CC casket for my grandpa, but in the end it was just a mach-off.
I'd love to see a video of Highspeed Flying!!
P.S keep on doing this stuff! Best Aviation RUclipsr by Far!!
Your videos always make my day, very informative and very interesting. Keep up the great work :D
747-400F can fly at 45,100 ft.
The 747-8f's absolute ceiling is 43,000
No thats the 8fs service ceiling
I need a job, I have applied to my nearby airport but they never call me even when they need workers :(
Maybe you need to try again by re applying with them.
@Great playz gaming loser
@Great playz gaming Stupid fool
Understood. I take back the term I addressed you with. I thought you mocked the person in need of a job because it sure seemed like it. I guess it's all a huge misunderstanding then. My sincere apologies for that.
Very good and interesting Video Joe!😍✈👍
This is another wonderful video! I really enjoyed watching it. Can you make a video about why it’s generally not dangerous to fly in turbulence?