Area 51 » Science

87 Example Questions

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up vote 11 down vote
What are the differences between groundspeed, indicated airspeed, and true airspeed?
added by jrdioko Aug 21 '12 at 5:20
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up vote 11 down vote
How does a vertical speed indicator (VSI) work?
added by jrdioko Sep 19 '12 at 17:12
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up vote 11 down vote
What wake turbulence separation is required in the US for an aircraft departing behind a heavy jet on the same runway?
added by jrdioko Sep 19 '12 at 17:22
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up vote 11 down vote
What are the expenses of owning a plane?
added by Andy Levesque Nov 21 '12 at 22:34
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up vote 10 down vote
Can I get my Private Pilots Certificate being color blind?
added by Keegan McCarthy Jul 26 '12 at 15:40
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up vote 10 down vote
Why does maneuvering speed (Va) change with aircraft weight?
added by Jamiec Jul 27 '12 at 10:51
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2  
This is an on-topic question, and I'd like to see more like it. – Don Norris Apr 2 at 0:47
up vote 10 down vote
What license do I need to fly a glider in <country>?
added by DJClayworth Jul 27 '12 at 13:41
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up vote 10 down vote
Can I use my European JAA license in the U.S.?
added by Philippe Leybaert Aug 3 '12 at 20:32
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It would also be nice to know the contrary. – Keegan McCarthy May 1 at 5:27
up vote 10 down vote
How does a constant speed propeller work?
added by Philippe Leybaert Aug 3 '12 at 20:33
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up vote 10 down vote
What's the appropriate way to communicate to ATC in a class B airspace that I wish to "sight-see"?
added by Joe Aug 8 '12 at 19:25
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up vote 10 down vote
What is the difference between flying a localizer approach and a localizer back course approach?
added by jrdioko Aug 21 '12 at 5:19
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up vote 10 down vote
Is FAA written test "open book?"
added by Keegan McCarthy Aug 25 '12 at 23:19
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up vote 10 down vote
How does an airplane wing generates lift ?
added by lleite Sep 1 '12 at 6:29
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up vote 10 down vote
Is the same phonetic alphabet (ICAO's) used all around the world?
added by lleite Sep 1 '12 at 6:33
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up vote 10 down vote
If a pedestrian is doing something (model rockets) near controlled airspace is it OK for them to contact ATC using a handheld radio or telephone?
added by Keegan McCarthy Sep 5 '12 at 5:08
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up vote 10 down vote
What are the best actions to take on an alternator failure? Do you cycle the master or not?
added by IndigoFire Sep 7 '12 at 15:11
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up vote 10 down vote
Difference between IFR and VFR flight?
added by Haris Sep 18 '12 at 13:26
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<comments removed> Please do not use comments to answer these questions. Comments are here to help improve the questions. This proposal is not part of the Q&A site, and the task at hand is to help define a future site. Thank you. – Robert Cartaino♦ Dec 19 '12 at 14:26
up vote 10 down vote
When to use Beacon, Anti Collision, Strobe and Navigation lights ??
added by Haris Sep 18 '12 at 13:40
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Ah - good operational question! – Don Norris Apr 2 at 0:48
up vote 10 down vote
Why do I have to lean the mixture when flying at higher altitude?
added by Philippe Leybaert Oct 1 '12 at 20:42
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up vote 10 down vote
What are ailerons and how does a aileron work?
added by Haris Oct 19 '12 at 11:44
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up vote 10 down vote
Do pilots have some hidden way to signal a hijacking situation while at gunpoint, i.e. not able to speak freely on the radio?
added by ThiefMaster Nov 2 '12 at 18:21
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up vote 10 down vote
As a VFR pilot, how do you distinguish "haze" or "fog", which you can fly through, from "clouds", which you stay clear of?
added by Jim DeLaHunt Nov 18 '12 at 11:12
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up vote 10 down vote
What might cause my piston engine to sputter during flight? How do I correct it?
added by Jim DeLaHunt Nov 18 '12 at 11:17
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up vote 10 down vote
What is the advantage of high-wing planes?
added by Andy Levesque Nov 21 '12 at 22:33
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up vote 10 down vote
What is the difference between primary and secondary radar? What is the difference between Mode A, Mode C and Mode S
added by DeltaLima Apr 4 at 11:51
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up vote 9 down vote
How does "reverse thrust" work ?
added by Haris Sep 18 '12 at 13:25
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up vote 8 down vote
If a pilot gets into a motor vehicle accident, how many days do you have to report the accident to the FAA?
added by lyncas Sep 17 '12 at 13:26
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up vote 8 down vote
Why is humid air less dense than dry air?
added by D. Patrick Nov 16 '12 at 2:09
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up vote 7 down vote
Do I need to be insured to rent a plane?
added by Andy Levesque Nov 21 '12 at 22:34
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up vote 6 down vote
What are the limitations on a commercially rated pilot without an Instrument Rating?
added by 2NinerRomeo Dec 17 '12 at 20:55
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up vote 6 down vote
Have any human-powered helicopters or "flying bicycles" been invented?
added by Mechanical snail Feb 9 at 21:34
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2  
Based on this question on Bicycles, which is currently closed as off-topic. – Mechanical snail Feb 9 at 21:35
More-detailed variants of this question could deal with e.g. the amount of force or power needed to do this, which gives a limit on human-powered flight (by comparing with the power output that humans can sustain over a period of time). – Mechanical snail Feb 9 at 21:37
Or questions about the history of flying bikes. I think one of the videos discusses that a bit. – Mechanical snail Feb 9 at 21:59
up vote 5 down vote
why do airports generally have lots of parallel runways instead of intersecting ones?
added by Markasoftware Feb 23 at 0:01
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up vote 5 down vote
What is the maximum speed limit below 10.000 feet for all commercial flights?
added by Haris Mar 4 at 10:00
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This is a duplicate of the question asked by jrdioko Aug 21 '12 at 5:20. – DeltaLima May 7 at 21:38
You are right, have edited my question! – Haris May 10 at 23:37
up vote 4 down vote
I'm a novice paraglider just learning to thermal. Sometimes, when I turn in a thermal, I feel/hear air rushing. Am I diving? How do I prevent that?
added by Jim DeLaHunt Dec 14 '12 at 9:01
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up vote 3 down vote
Why is air pressure generally measured in inches of mercury instead of millibars when dealing with aircraft (calibrating barometers, weather, etc)?
added by Markasoftware Feb 23 at 0:23
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up vote 3 down vote
Aircraft performance: at which speed do you get the best climb speed / angle. How does that relate to engine thrust & power
added by DeltaLima Apr 9 at 18:58
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up vote 2 down vote
What is the range and accuracy of radar systems used to monitor airspace in the USA? (Both ATC and ARTCC)
added by kaliatech Oct 3 '12 at 17:16
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up vote 2 down vote
How does a power-pushover in a gyrocopter happen and why is it so dangerous?
added by ThiefMaster Nov 2 '12 at 18:20
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up vote 2 down vote
Under what conditions can a safety pilot log PIC or SIC?
added by 2NinerRomeo Dec 17 '12 at 20:54
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up vote 2 down vote
Why is Aircraft hardware cadmium plated?
added by 2NinerRomeo Dec 17 '12 at 20:59
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