Questions tagged [boeing-777]
A long-range wide-body twinjet airliner produced by Boeing since 1993, with over 1,500 built.
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B777-300 secure cockpit door flaps
B777-300 secure cockpit door has two flaps for rapid decompression pressure going from cockpit to cabin.
What system is used internally to release the flaps? Subsidiary question: can the system be ...
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What is the precision of the Fuel Quantity Indication System (FQIS) of the Boeing 777?
What is the precision of the Boeing 777-300ER ultrasonic FQIS? If for example it is 2% when 100 tonnes of fuel are loaded, there could be anything between 98 tonnes and 102 tonnes. How is this ...
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Why are British Airways wings so dirty?
I often fly through Heathrow, and British Airways airplanes, particularly their 777s, always look so dirty. For example, there is often a kind of dark oily stain on the wings and flight surface. So - ...
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Why such a small Krueger flap on 777-300?
Why is there such a small Krueger flap just inboard of the engine pylon on the Boeing 777-300, when the rest of the wing (including the further-inboard section of the wing) has leading edge slats?
I ...
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How would a GE9X's react to ingesting a person?
Was wondering how a GE9X (or GE90/etc.) would fare after ingesting a person, at takeoff or climb thrust. (For a story.) Obviously the person is dead and the engine can safely be assumed to be a write ...
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Boeing 777 PCU Synchronization of Duplicate Hydraulic Actuators for Control Surface Deflection
I have a question regarding the redundancy of hydraulic systems used to deflect the control surfaces of a Boeing 777 aircraft (or the like). We know that "the elevators, ailerons, and flaperons ...
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777-300ER venting something from left engine outboard side - what is it?
Crossposting from Metabunk with permission from the thread opener marko.posavec.
Their photo shows British Airways Boeing 777-300ER G-STBF in flight with something producing a contrail or the like ...
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Where on the aircraft are transponders mounted?
For civil acft like B737-800 or B777-200, where is the location of transponder?
I'm asking about the "responder", not the cockpit device.
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On the B737 When A and B systems are pretty much each other's back up for most things Why not for flaps? [closed]
Why have a seperate system for flaps? Which is alternate flaps
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what's the difference between an ER and an LR variant of the 777-200
I was curious about the difference between the 777-200 LR and the 777-200 ER
ER stands for extended range
LR stands for long range
What's the between them difference? Why have two variants which do ...
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Is the Boeing 777 low speed warning same as the master caution warning?
Is the Boeing 777 low speed warning the same as the master caution warning?
If the answer is no, I would appreciate an answer with a link to a recording of the low speed warning so I can tell the ...
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Can someone tell me what is this on the overhead panel of the Boeing 777?
I found this on the Boeing 777 and it was on the Captain's side behind the speaker.
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What is the green arrow on the 777's airspeed tape? Does it exist on other types as well?
Image source: fsnews.eu
I found this green arrow on the primary flight display (PFD) of a 777. What does it show? I'm assuming it's for showing acceleration and deceleration but I am not too sure. Is ...
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Why are spoiler panels 5 and 10 locked in high speed flight on the B777?
From the Boeing 777 FCOM:
Spoiler panels are used as speedbrakes to increase drag and reduce
lift, both in flight and on the ground. The spoilers also supplement
roll control in response to control ...
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What are the Boeing 777 aural alerts indicating in this ATC recording?
There was a recent incident (avherald.com) with an Air France Boeing 777 on approach to CDG where several different aural warnings can be heard in the ATC audio recording (YouTube) when the pilot has ...