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Questions tagged [doors]

Questions about doors on aircraft used for boarding, loading cargo, covering items such as landing gear, etc.

5
votes
1answer
155 views

Are all the Airbus A380's 16 exits designed for everyday use?

Are all the Airbus A380's 16 exits designed or everyday use for embarking and disembarking the aircraft, or are some specifically designed for use as emergency exits, such that opening any of those ...
5
votes
3answers
271 views

Why aren't passengers trained and evaluated for operating emergency exits in commercial aircraft?

The passengers sitting on the overwing exit doors are expected to operate the doors in times of emergency, with only a verbal instruction. Is that enough? Q. Why can't we have a designated area in ...
7
votes
1answer
315 views

What's with this non-exit Exit sign on Delta CRJs?

I have the pleasure of frequently flying Delta (i.e. Delta Connection) flights on CRJ-700 and CRJ-900 aircraft. All of them have a bogus EXIT sign between First Class and the main cabin: This is ...
1
vote
2answers
300 views

What would happen if pilots were locked out of the flight deck?

Imagine in a hypothetical situation that a commercial airliner was left on autopilot at some cruising altitude. Next imagine that all pilots left the flight deck and the door slammed shut behind them (...
3
votes
2answers
720 views

What forces act on an airplane's door from the outside in cruise?

The inside cabin pressure from what I understand is pressurized to the values found at 6000-8000 feet high (11.34 psi at 7000 feet), at which point we can find the amount of force can be found acting ...
3
votes
3answers
197 views

How are leaks in door rubber seals detected?

There are few reported incident where the rubber seal on the door was damaged and it took numerous hours to find the cause and then find the location of the damage. I want to know the ways to detect ...
8
votes
2answers
311 views

Are there any passenger aircraft with no cabin access to/from the cockpit?

Most passenger aircraft (airliners and business aircraft) have an internal door or doorway connecting the cockpit area to the main cabin; are there passenger aircraft where there is a solid partition ...
13
votes
2answers
4k views

Do pilots reject takeoff if aircraft doors are not properly locked down?

This particular incident, the pilot rejected takeoff "due to a aft door indication". My questions are: Is it a such serious situation so as to reject take-off? If the pilots had taken off, could the ...
3
votes
1answer
154 views

What's the name for this part on a Cessna 172P?

I am trying to figure out what the name for this part is. I believe that's the door seal, but all seals I am looking at, seem to be glued to the outside now.
6
votes
1answer
716 views

Why does Boeing use two different door-types (B757 hinge vs. B767 slide)?

Why did Boeing use a sliding door for the B767? And why wasn't it used in later Boeing planes? Edit: Looking up other airframe manufacturers I realised that the B767 was introduced prior to the B757....
19
votes
3answers
2k views

Why does the PA28 only have one door?

I did the majority of my PPL training in a PA28 Warrior and I've recently started transitioning over to a C172 and one thing that amazes me is how convenient it is to have a door either side of the ...
1
vote
0answers
108 views

What is this door below the lavatory? [duplicate]

What is this door below the lavatory of this airplane? Other aircraft have similar doors near the rear lavatory?
2
votes
1answer
259 views

What type of mechanism is used to operate the Embraer EMB 120 front door?

I have never worked on this type of aircraft, but I usually come across it in several hangars. I've been wondering on which mechanism this bulk door is lowered and lifted. Is it by pneumatic system, ...
5
votes
2answers
772 views

Why do emergency exits over the wings have “step up and through motion” rather than having floor level exits?

My questions stems from the following paragraph from Wikipedia: Additionally, during aircraft evacuations, it has been found that the majority of overwing window exit designs of Boeing 737 (NG) ...
11
votes
1answer
565 views

What are the forces acting on the doors of the main landing gear?

When opening and closing the landing gear doors, what forces act upon them and how much power would the actuators need to exert upon the doors to open/close them mid-flight (assuming the landing gear ...
1
vote
1answer
2k views

What are the differences between types I, II, and III emergency doors? [duplicate]

What are the differences between types I, II, and III emergency doors?
1
vote
0answers
77 views

Why does the door slide mode need to be changed after the jetway or stairs are detached? [duplicate]

Why does the door slide mode need to be changed after the jetway or stairs are detached? Does the mode only need to be set when the door is closed?
1
vote
1answer
207 views

Why is the MD-88's front starboard door smaller than its port one?

Having been on a few airplanes of the MD-80 family, I noticed that the front starboard doors of the planes were smaller than the ones on the port side. Why may this be the case? This may also be the ...
1
vote
1answer
738 views

Why doesn't the pressure inside an airliner push the doors open? [duplicate]

When flying at cruise altitude, the pressure inside the aircraft is higher than outside and that means a lot of air is pushing the door outwards. So how does the door stay in place and not open? I'm ...
44
votes
1answer
12k views

What is this hatch above the cockpit of a 747?

There is a little door on the upper deck above the cockpit: Source: Airliners.net, (modified to indicate location of hatch). What is that door? What is its purpose?
2
votes
1answer
2k views

What is this protrusion on the door?

There's something below the door on almost every commercial aircraft. What is inside that box? The protrusion can be seen from the interior of the aircraft. Source
29
votes
4answers
7k views

What is this line found above the door on many aircraft?

Many aircraft have this line above the door as seen in the photos below. What is it, and what is its purpose? Source Source
10
votes
1answer
979 views

How does a pilot board a B-2 Spirit?

I haven't noticed any sort of plug door, so how do pilots board the B-2?