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Aircraft performance covers areas such as the amount of runway required to takeoff or land and how fast an airplane can climb or descend.

0 votes
1 answer
112 views

Are there any characteristics of a hypoxic flight? [closed]

Any patterns that investigators look for? For example, what happens when the engine flames out? is it guaranteed to enter a high speed dive? And would this affect certain parts of the aircraft, causin …
George Clooney In a Mooney's user avatar
1 vote
1 answer
13k views

Why does the Pratt & Whitney 747 have an extra engine on the right side but not left side? [duplicate]

What’s the purpose of this design, and why only on one side?
George Clooney In a Mooney's user avatar
7 votes
3 answers
8k views

If the Concorde had an engine fail at cruise altitude, would they enter the coffin corner?

I know the coffin corner is only meant for subsonic aircraft, but if the Concorde is just cruising at Mach 1 and had an engine failure and also lost that afterburner, would it enter a coffin corner si …
George Clooney In a Mooney's user avatar
5 votes
2 answers
2k views

Why does the stick force per-g test require it to be harder for pilots to pull back on the y...

What happens when it’s easier to pull back banked at such steep angles, wouldn’t it be a good thing that a pilot can maintain his altitude easier than harde?
George Clooney In a Mooney's user avatar
-3 votes
1 answer
175 views

How would a pilot stabilize the aircraft after a dual engine failure?

Since there would be no more thrust, they would have to exchange energy by losing altitude to keep forward speed. But what happens towards the end, when you have to reduce your V/S to something like - …
George Clooney In a Mooney's user avatar
1 vote
1 answer
283 views

Why can’t aircraft use GPS to generate the IAS, instead of using pitot tubes? [duplicate]

I’m mostly asking after reading about Aeroperu Flight 603, which was caused by a piece of tape blocking the sensor. Is there any other way to gather IAS or is this the best way to do it?
George Clooney In a Mooney's user avatar
2 votes
3 answers
538 views

If the pilots used the brakes upon landing, would the force essentially slam the front wheel...

So if the pilots braked immediately, with only the back wheels down, and nose wheel still up, would the force from braking cause the front wheel to come slamming down?
George Clooney In a Mooney's user avatar
19 votes
5 answers
10k views

Is it possible to stall a plane so badly that the nose refuses to go down due to lack of air...

So basically, a stall from a high AoA to the point that the entire plane just falls with the rear end pointing straight down? Because if wind is no longer passing over the wings, then this includes …
George Clooney In a Mooney's user avatar
-1 votes
3 answers
383 views

Is the point of “groundspeed” in aircraft just to have a second reference of speed but two t... [duplicate]

From not understanding groundspeed will always be significantly higher than airspeed, unless the plane is pitching up and down. Is the ground speed just there for pilots to look at and say “okay we ha …
George Clooney In a Mooney's user avatar
6 votes
3 answers
4k views

How do flaps help an aircraft take off at a lower speed, yet cause drag at the same time?

Wouldn’t the drag caused by the flaps just decrease the acceleration, so, although they can lift off at a lower speed, wouldn’t it be faster to just use no flaps and rotate at the higher speed that is …
George Clooney In a Mooney's user avatar
0 votes
4 answers
2k views

What makes airplanes pitch up during landing?

So what exactly pitches the plane upward with the rear end down? Do flaps help lower the nose when deployed 80%-100% down with such low speeds?
George Clooney In a Mooney's user avatar
2 votes
2 answers
7k views

Why do pilots wait for a positive rate to put the gear up, When V1 means “commit to takeoff”?

To explain further, V1 means they cannot stop in time if anything happens. Therefore they must commit to taking off. So why wait for a positive rate? Shouldn’t it be retracted as soon as they see a di …
George Clooney In a Mooney's user avatar
2 votes
3 answers
786 views

What is an airliner pilot's first go-to if he or she doesn’t have a positive climb rate imme...

Assuming a typical transport-class aircraft, what would the pilot do if the aircraft does not have a positive rate of climb immediately after takeoff? Would the pilot just lower the nose to pick up a …
George Clooney In a Mooney's user avatar
-1 votes
1 answer
692 views

How can a runaway trim become so difficult to fight when all a pilot has to do, is “grasp an... [closed]

and how can you even tell the pilots did “grasp and hold” during an investigation? Is it determined based off what they say?
George Clooney In a Mooney's user avatar
7 votes
2 answers
3k views

Would a 737 pilot use flaps in nose dive?

Since flaps help lift the plane, would they deploy flaps if the plane was nosediving? And what would they do if the back pressure was too much? I know speed increases lift, but can full throttle make …
George Clooney In a Mooney's user avatar

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