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Horstroad
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Posts: 455
Joined: Thu Apr 08, 2010 8:19 pm

B777 cockpit floor - metal plate

Tue Oct 30, 2018 3:59 am

On the flight deck floor of the 777 behind the captains seat there's a small round metal plate... nobody could tell me what it is good for. Does anyone of you guys know?


Image

For reference: to the right is the cockpit door, to the left is the captains seat and on top is the first observers seat.
 
BravoOne
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Joined: Fri Apr 12, 2013 2:27 pm

Re: B777 cockpit floor - metal plate

Tue Oct 30, 2018 11:29 am

Sounds like one of those oral questions you would get from the FAA after you had already aced the oral? No idea what its for.
 
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BartSimpson
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Re: B777 cockpit floor - metal plate

Tue Oct 30, 2018 1:12 pm

Maybe just a fastener for the carpet (is it a carpet?)?
 
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zeke
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Re: B777 cockpit floor - metal plate

Tue Oct 30, 2018 3:49 pm

Aircraft levelling datum ?
Human rights lawyers are "ambulance chasers of the very worst kind.'" - Sky News
 
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trpmb6
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Re: B777 cockpit floor - metal plate

Tue Oct 30, 2018 4:28 pm

Clearly non structural. Probably just covering up an inspection hole.
 
Tartarus
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Re: B777 cockpit floor - metal plate

Tue Oct 30, 2018 5:35 pm

There's 2 of those. Another one on the floor to the right of the first observers seat.
They were originally viewing ports to visually see the nose landing gear in the wheel well. But they have since been blanked over as not needed.
 
Dalmd88
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Re: B777 cockpit floor - metal plate

Tue Oct 30, 2018 7:35 pm

Tartarus wrote:
There's 2 of those. Another one on the floor to the right of the first observers seat.
They were originally viewing ports to visually see the nose landing gear in the wheel well. But they have since been blanked over as not needed.

That makes sense. I've not worked much on a 777. Any one know if there is a view port for the mains?
 
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Horstroad
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Re: B777 cockpit floor - metal plate

Wed Oct 31, 2018 10:56 am

There's no physical connection between the cockpit floor and the wheel well. There's a 10" gap and isolation blankets all around the wheel well.

These plates are also installed on pretty new aircraft. Why wouldn't they just modify the panel and remove the cutout? Or install the covers below the carpet?

I couldn't quite make out from below where exactly these plates are located... But they are pretty far forward, about where the wheels are located when the gear is retracted. Nowhere near the lock links.

Thanks for the input, but I'm not convinced ;)
 
pianos101
Posts: 83
Joined: Wed Jan 30, 2008 5:33 pm

Re: B777 cockpit floor - metal plate

Wed Oct 31, 2018 5:47 pm

Horstroad wrote:
There's no physical connection between the cockpit floor and the wheel well. There's a 10" gap and isolation blankets all around the wheel well.

These plates are also installed on pretty new aircraft. Why wouldn't they just modify the panel and remove the cutout? Or install the covers below the carpet?

I couldn't quite make out from below where exactly these plates are located... But they are pretty far forward, about where the wheels are located when the gear is retracted. Nowhere near the lock links.

Thanks for the input, but I'm not convinced ;)


There should actually be two plates, one behind the CA chair and one behind the F/O's. They are access holes to get to the control wheel position transducers.

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