Boeing 777 Electrical Equipment Bay Tour
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- Опубликовано: 25 авг 2024
- Looking at the electronic equipment bay of a Boeing 777. This is located just behind the nose gear wheel well. It is divided into sections so that damage to any one section will not result in a total failure of any critical system.
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Just wanted you to know that I really appreciated your video. I'm a longtime pilot (currently a narrowbody Airbus Captain) but with a lot of Big Boeing, McD, and Lockheed time too. We used to get super informative walkthroughs with MX when we'd transition between planes, but no more. I've never been in an Airbus E&E (with thousands of hours in it), but I'd remember my way around the DC-9 and L-1011 E&E like it was yesterday!
Thanks for taking the time to post this!
Nice to see the old HAL9000 is still used.
I am constantly amazed that flying is so statistically safe when you look at the mechanical and electronic complexity, and the miles of wiring in a plane!! I know there are many redundancies, but there is so much that could go wrong, yet it rarely does!
It was awesome to see some of the parts we used to make for this plane but never had a chance to see them in an installed environment. Thanks for the video!
Als einer aus dem Bayerischen Wald möchte ich im Gedenken an Karl auch an seinen Freund Max Eder erinnern und dem Herrgott bitten, dass endlich mehr Gerechtigkeit in die Welt kommt. Max hat mir von Karl erzählt: beide haben sich für den Frieden in der Welt stark gemacht und dafür ganz viel auf sich genommen, auch den Tod. Gibt es eine größere Liebe zu uns Menschen? Ich bete oft für den Max, für Michael Ballweg u.A. um Kraft, damit sie die Ungerechtigkeiten, die Lügen und die Gewalt gut überstehen.
Danke Helge für den berührenden Film und liebe Grüße an die berühmteste Mama unseres Widerstandes
Thank you. Great little overview of systems that rarely get seen it shown.
Because working down there sucks! It's cramped, it smells, and every mistake is expensive and difficult to replace!
Amazing just started working in the industry as Sourcing Lead for aerospace electrical testing so interesting what they do
This is a great video! Thanks for sharing!!
HI, Glad you liked it. It is an area that not many people get to see. We get pilots that have tens of thousands of 777 flight hours and have never seen it. I give them a tour and they really like to see it.
That's actually quite concerning that pilots aren't familiar with electronics on board. What if there was an emergency? They should at least be familiar with it.
@@PoxyBear You don't need to understand how your car works in order to drive it safely. After being trained on how to drive a car and get your license you just need to understand the information presented in front of you and take the corrective actions and messures in order to rather continue driving in a safely manner or stop without injure yourself or others. Same applies to aircraft. They know how to fly and I know how to fix it, it is impossible to know everything.
Edit: also the pilots are indeed familiar with electronic systems particularly on how to take corrective actions after certain warnings and how follow procedures related to that system so yes they understand how the system works but not necessarily the architecture behind
It wouldn't hurt for people to have a better understanding of how their car works either. I'm not suggesting knowing everything but at least a better understanding.
man i thought the l-1011 had a electrical equipment bay this takes cake big time rock on i miss my l-1011
great quality engeering .nothing else in life has so much back up so safest place to be is onbord 777
Most common electronic system fix for airport teminal servicing...
'System reracked, ops check normal.'
:)
I like the anti-static wrist band. It looks exactly like the one I used to have in the EE lab. I probably paid $3.99 for mine at Radio Shack. I'll guess that one cost $399 and comes with a stack of certification paperwork an inch thick :-)
Just came straight after finishing Netflix MH370 series
Invaluable content! Thank you...
All the backups and electronic redudancies are all in that same compartment?/bay?
if a fire catches on, like due to oxygen explosion or auto ignition of materials, there's not much to do, right?
You probably can still control the airplane with the battery and backup cables, but if that then becomes consumed by fire after let's say 10 minutes of the initial fire started.... no more controls.
just curious. Does it use networking cat5 or cat6 cables for data?
I'd imagine cat6, the internals are constantly being upgraded overtime. Even in the factory a spec could change from plane to plane as the engineers refined the process.
cat7
So interesting , thank you
Reminds me of a mini-data center. My guess it has about the capacity of 1/10th a data center.
That is what it is. Multiple data centers that are physically separated as well as electronically separated. There is enough stuff on each side so that if one side gets damaged the other side can run everything.
@@BigIronTV what kind of hardware is used? Do you know the computing power? Is there any public reading where I can get more information about the systems? I studied industrial automation so will be interesting to learn about it. Thanks a lot. Greetings from Costa Rica.
@@estebanamador1990 message me with your email and I will send some stuff.
@@BigIronTV I'd be interested in this too.
@@BigIronTV That's what I love about the 777, such an outstanding plane. Just wait until the brand new babies come out you guys are going to love it. The X is going to change the game forever.
All that electronics will fit in to a shoe box in the years to come. We will look at this as prehistoric.
As said in this video, all the components have to be physically separated for fire and stuff,so I don't think it's gonna happen
S Q Time has always proven that the once “impossible” became possible for mankind
@@sq8409 Okay, then there will be a couple more backup shoeboxes LOL, the fact that there are multiple systems in case of a problem is irrelevant compared to the size of the components. I think he is right. A decade from now this WILL look awfully complex and too big
Infact it is already happening. For eg in 787, the need for a lot of heavy LRUs are eliminated by PCBs. Another good example is that of FCE cabinet which are only 3 LRUs as compared to 777 which has atleast 5-6 LRUs for the same purpose.
Only the bulky modules and power panels perhaps. Most of the space downstairs not designated for gargo is ducts, plumbing and electrical wiring/systems tying the plane together. But you need space and careful clamping to keep the planes "nervous system" from vibrating like guitar strings mid flight and contacting the structure, eliminating EMI and withstanding wear and tear from temperature changes that the bundles have to endure. Really complicated stuff and Boeing isn't going to be eliminating any of it anytime soon because they add these layers of redundancy in every aspect of it's design because people expect Boeing to deliver the best of the best(which they do)
Do you know what is the computer language used to control this avionics. I don`t believe it is an Operating System
Hi fellow Netflix watchers
good place for a stowaway. You have enough room to stretch out and take a nap during your free flight
Excellent tour... Wow! I sense you served in the Air Force or Navy? Excellent job filming and explaining the "brain of a 777"! I understand that every person from ground personnel to flight crew to catering services had a say with and suggestions for Boeing's Aeronautical Engineers/Designers when planning the 777 design.
So, the 777's EE Bay compartment can only be accessible via an 'unlocked'(?) hatch under the carpet at the front of the First Class cabin near the flight deck. Is this were the 777's Satellite Data Unit (SDU) is stored and how the SDU integrates information used by the plane’s satcom system? According to Malaysia MH370 investigator Mike Exner, "there is no way to turn off the primary power to the SDU from the cockpit". But, someone, (possibly posed as a cleaning crew member?) - could have had early access before the new flight crew entered and before the boarding of new passengers. The person would have to be inside the 777's EE Bay, waiting for instructions during the flight - when to disengage the plane’s Satellite Data Unit (SDU) which was turned off for awhile and then on again possibly from someone who was flying the plane in the cockpit. Note: The last voice transmission from the plane's cockpit, with the final words, "Good night. Malaysian three-seven-zero." doesn't match the voice of the Captain nor co-pilot who pronounced "370" IN EARLIER TRANSMISSIONS AS "Malaysian three-seven-Z-E-E-E-R-R-RR-0" - with a distinct Malaysian-English accent. The final words spoken had a 'flat-North American accent - missing that slight Malaysian-English pronunciation of "0". It doesn't match voices earlier in flight hours following the Malaysia MAS370 aircraft’s mysterious disappearance on March 8, 2014. Malaysian investigators, etc. mysteriously withheld the exact final words that were spoken in the transcript information, eventually released the correct last sign-off message and the recording.
Note: In April 2017, Malaysia Airlines announced that the airline's entire fleet will be tracked with a new "real-time global aircraft tracking system" from space, via satellite. Malaysia Airlines was the first airline carrier that reached a deal for the service provided by US-based Aireon, FlightAware and SITAONAIR. Planes deviating from a flight path will now be able to be identified more quickly. It is unclear if this new system is "fool-proof" and can detect planes regardless if SDU systems are tampered with inside EE Bays already installed in most planes of major commercial airline carriers. Hopefully it is "fool-proof"...
your post twisted from wholesome congratulations to pure horror real quick
VERY COOL MAN! LOVE IT!~
+SSR KNIVES AND GUNS! thanks
Amazing presentation ! Thank You for sharing !!! After seeing the proximity of the cargo to the Avionics bay (A330 uploaded by 'JustPlanes')....convinced a fire disabled MH370
Investigations revealed the diverted route the airplane followed was found on the cpt home computer flight simulator setup, intentionally aiming to the deepest ocean area to commit by what all sources seems to identify as a suicide plan.
What do you have to go in and fix the most and what is the biggest pain to fix?
Mostly change tires. The rest of the plane is pretty reliable. The tires are sometimes a big headache to change because we are often at locations that do not have big enough jack to lift the plane or a dire dolly to move the tire on the ground. Also nitrogen is often a worry at airports because one tire takes a lot.
Is the ELT located in this same room? If not, where is it and would the pilot be able to physically access it during flight?
It is not located here. Typically there are located in the rear part of an aircraft to better survive crash. They can not be accessed or turned off. They are activated by a G switch that senses a crash. You may be thinking of the transponder which gives aircraft location information during normal flight. These are in this area and can be turned off by pilots using the transponder controls located in the cockpit center pedestal.
Is the battery manufactured by Interstate? Or another manufacturer?
I don't know the answer. I will have to check who makes it next month when I am back on duty.
probably duralast
I don't think it's either but ultimately lots of what goes in is up to the airline customers. The ones I installed were some special purpose built battery that's supposed to last the lifetime of the plane and costs more than my car.
Very nice video, friendly reminder- terrorist are also looking at your very detailed video and there is a reason why FCOM and Maintenance aircraft Manuals are not sold at Barnes and Noble
There's some doors and other panel covers he skipped over.
So the toilet pipes pass directly thru the avionics bay!? I’m highly surprised to hear that! What will happen if some leakage occurs despite sealings?! Isn’t that a high unhustified risk!?
I'm interested in the crew oxygen bottle. Could you post another video? How far is the bottle from; the Left AIMS Cabinet, HYDIM cards, Left Systems ARINC 629 Bus, wiring from the Left GCU to P100, and wiring from the Backup Converter to P100.
OMG so do yyou repair all this or just switch the broken parts out for new?
I don't open any of the electronic boxes. If my troubleshooting shows that the fault is in the box then I get a new one and install it. Then the failed box will go to a shop where an avionics specialist will repair it. If there is an electrical fault in the wiring outside the box I am trained to repair it. The most important thing as an aircraft mechanic is to use the manual. You don't have to memorize tons of stuff. In fact if you are caught working from memory by the FAA you can be in trouble. I have changed tons of tires and know that task quite well. But every time I change one I have a current copy of the task printed out and available to reference. So when you take your practical test I have mentioned before the quickest way to fail it is to begin to do the assigned task from memory. First thing you should do is get the instructions from the manual. As a mechanic we are only authorized to do work that is already contained in FAA approved manuals. If it is not in the manual then a qualified person must evaluate it and write data and submit it to the FAA and get approval for the mechanic to follow for a specific instance.
BigIronTV So every mechanic has a manual for a specific repair? Did not know that. I guess that makes sense. I was wonder how one would know every repair around a plane especially the bigger planes
Every airplane has specific manuals for it. And the mechanic uses these manuals for that airplane.
BigIronTV Oh wow that makes me feel better and less worried cause I really thought that everybody memorized everything. I cant wait to start school I really love planes I regret not doing this when i was younger.
these are called AMM (Aircraft Maintenance Manual)
That's why it is said
If something is really clean and sexy from outside
It must be that complex from inside
A normal passenger could never imagine that this fat network is present under his seat.
By the way 777 and 787 are the most beautiful and sexiest commercial aircrafts
That's why almost everything going on is under the seats haha. Working on the passenger level is cake work.
Good video.
I'm sorry but who's idea was it to run the toilet line over the electrical?
how is this protected from a fire
No fire suppression system in this area. Aircraft electrical wiring is protected by circuit breakers that trip before allowing enough current to cause wire to smoke per design specifications. Additionally the racks have redundant flight systems that are physically separated by left and right side in the racks so that if one side of a rack is destroyed the other side has flight control systems ready to take over without interruption. There is a smoke detection system in the equipment cooling system. If smoke is detected there is an overboard dump procedure that can be combine with and oxygen starvation procedure to suffocate any fire that may have started. Can not use fire extinguisher agents such as halon because this area is not isolated from the cabin where people are. At the front of the EE bay there are large opening into the cockpit where the rudder peddle control rods come down. And halon discharged in here would go right into the cockpit through those holes. The proper cargo area has halon but it is sealed so no agent can get into the passenger areas.
@@BigIronTV i've always wondered why other areas have fire suppression systems except for the avionics bay (which feels like its the most important one that need a suppression system) however i appreciate your response as i am a very anxious flyer and have watched every single plane crash video, the one's that aren't pilots errors are always fires.
@@BigIronTV may i also ask, how protected is a plane from bad maintenance, as in how badly should a maintenance issue be done in order for it to cause a serious incident
This reminds me of MH370. Since you mentioned that different modules are well-separated, could it be the case that a fire caught the communication module, then eventually the fire went out (due to elevation attempt by the pilots), but leaving only the hydraulic systems intact, flying the aircraft south, unattended, while those on-board died of hypoxia.
BASELIB interesting theory
I'm not saying you're wrong because there could be a nugget of truth to the spacing helping reduce the spread of fire, I never asked. But there are huge halon tanks behind the cargo walls to help eliminate fire if it breaks out so the passengers and crew are safe and not going to suffocate I promise. But most of the stuff you see if very fire resistant especially the insulation. I've only been near 2 fires downstairs and they never spread very much at all because of the materials used.
The wiring makes me think about TWA 800.
Wonder how many intel 486 chips are being used at 777??
I wouldn't know and I built them haha. Most of the modules and boxes you see were made from outside vendors just installed by Boeing.
No wonder a 777 aircraft cost $300 million
Does it prohibited to make video in this bay ?
If you are working for Boeing and in a customer's plane, absolutely! You buy it, you can take all the pictures and videos you want! There could be rules against it for individual airline employees but I haven't worked in that capacity yet so I couldn't tell you.
I bet the 737-800 has nothing as interesting or as awesome as this.
holy crap i thought my job was hard. i work on cars lmao
Cars are a lot harder. I was qualified to install and replace nearly every electrical and mechanical system in the jet besides the engines and I don't have the will to do my own repairs on my vehicles :P Bonus fact Boeing has a huge hard on for Toyota and their manufacturing process.
I think I saw my employer's logo...maybe...
Beyond my imagination.
Ничего не меняется, какой-то заговор проектировщиков, канализацию ведут над серверами.
can you put them to mine bitcoins?
You could mine a lot more crypto with 300,000,000 worth in GPUs haha, I wouldn't recommend buying a 777 for that sorry.
In King Lord Master Friend and my Father Jesus`, Name, Amen
Thank you for sharing that. Do you know the protocol used on the DATA BUS? Is it a type of CAN, TCPIP or NMEA like marine?