rbp
  • Member for 7 years, 4 months
  • Last seen more than a month ago
why does the concorde's nose go up and down
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5 votes

When the Concorde is in supersonic flight, the shape of the fuselage has to be very aerodynamic. On landing, the attitude of the plane is very nose high, so the nose comes down to allow the pilots to ...

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How should operations be conducted at a towered airport that is in uncontrolled airspace?
5 votes

Treat a class E or class G tower just as you would Class D. The only differences are Basic VFR minimums, 4nm undepicted area, and IFR procedures

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What are the effects of communicating on VHF/UHF on a RMI's ADF needle?
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5 votes

NDBs in the U.S. transmit between 90 kHz and 535 kHz, and VHF is between 108 and 137 MHz. Of the VHF frequencies, the nav/com is only capable of transmitting between 118 MHz and 137. So aside from ...

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Why should I request a long landing?
5 votes

ATC doesn't like unannounced long landings because unless they are informed of what you're doing, they will be concerned that you're just too fast or too high and might run off the end of the runway.

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If flaps are used on takeoff, when should they be retracted?
5 votes

First and foremost, in light planes flaps should be retracted above VS and below VFE. In a C172, you have: VS 47kts Stall Speed in Clean Configuration. VFE 139kts 10 Degrees Flap Extended, ...

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Why do airplanes lift up their nose to climb?
5 votes

You can answer this question empirically. Trim your plane for straight and level flight and set the power to Vy. Look at the AI or visual horizon, and note the pitch attitude. Now set the power to ...

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How much "power" do ATCs really have?
5 votes

As far as I know, most regs have some sort of out that says "unless directed by ATC," and ATC has two unbreakable rules which limit much of what they are allowed to do: thou shall not vector ...

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Can you fly a helicopter without a driver's license?
5 votes

In order to obtain a PPL in a glider, one only needs to be 16, which is younger than the age to get a driver's license in many states. For airplane and heli, it's 17, and there's no evidence that ...

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Can an airplane on an SVFR clearance land when visibility is less than 1 mile?
5 votes

If the pilot is on an SVFR clearance, the weather inside the surface area deteriorates below 1 mile visibility, and the pilot has the airport in sight, he can inform the controller that he has the ...

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How can someone get FAA commercial flight training as part of an aviation degree?
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5 votes

In the US, there are 2 ways to become a certificated civilian pilot: Part 61 and Part 141. Part 61 is done in informal classes and flights at a local flight school. Part 141 is a professional ...

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Do planes have keys?
5 votes

I think the answer is: it depends. The Citabria has two toggle switches, one for each magneto, and a push button starter. Pilots who have never started one may have trouble because the accepted ...

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Where I can get historical jet fuels prices?
5 votes

Although they don't have historical prices, AirNav has a number of ways to view Jet A fuel prices here. You might write them and ask if they will release historical prices to you.

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Is it possible to use reverse thrust while airborne?
5 votes

The Pilatus PC-6 (a turboprop) can be put the prop into reverse pitch and descend nearly vertically. Here's a demo https://www.youtube.com/watch?v=PU3RecxHRtk

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Do modern aircraft have the functionality for the pilots to look behind the aircraft?
4 votes

Almost all tow planes have rear view mirrors mounted in them so they can see the glider and the tow rope. You can see mirrors mounted on the cowlings of these Piper Pawnee tow planes.

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What is the minimum allowed altitude for helicopters over a residential area in the US?
4 votes

It depends on where it is. A residential area/houses may or not be "congested" -- that term is not defined. But we typically use 500 feet for helis. When hovering in an area for a specific ...

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Why do some towers reference departures by compass direction, others by leg of pattern?
Accepted answer
4 votes

It depends on local custom. Some airports have multiple runways, so controllers will use compass points instead of pattern legs, and this habit will carry over when they are assigned to a single-...

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Cross Country flight: what do I have to consider concerning radio communications?
4 votes

There are three categories of radio communication to deal for each leg of a flight: arrival and departure airport: tower/CTAF, ATIS/ASOS/AWOS, Ground/Clearance Delivery En route ATC: arrival/...

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How do you convert true airspeed to indicated airspeed?
4 votes

I just dial in the OAT, look for the TAS in the white window, and read the IAS on the black scale.

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How does a CFI know what endorsements to give?
4 votes

In general, a flight instructor must demonstrate sufficient knowledge so as to be able to provide the proper endorsements for his students. This is covered both in AC 61-65 and in the Flight ...

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Why is air mixed with bypass air on the A/C of an aircraft?
4 votes

There are 4 phases to an internal combustion engine, even a gas turbine: suck, squeeze, bang, blow. Suck: Air is sucked into the engine Squeeze: The air is compressed by the turbine Bang: The ...

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Is there a practical way to demonstrate sustained flight on the back side of the lift curve without an AoA meter?
4 votes

Gliders make sustained flight on the backside of the lift curve all the time while thermalling at 40-50 knots and 50 degrees of bank. You spend a lot of time adjusting the elevator to keep the plane ...

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Do helicopters try to take off and land into the wind?
4 votes

Effective Translational Lift (ETL) is lift generated by airflow over the rotor, and increases the effectiveness of the airfoil by about 15%. ETL is generated beginning about 15knots of airflow over ...

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Can a free-falling aircraft with no horizontal (or minimal horizontal velocity) start up and fly to safety?
4 votes

Unlike in a RC or a maple tree seed, recovering from zero-RPM rotor is not possible in a helicopter because the "driving region" of the rotor system can't produce enough rotation to generate lift in ...

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Why is the PIC position for helicopters the right seat, rather than the left seat as in airplanes?
4 votes

Another reason helicopter pilots sit on the right is because the cyclic is held in the right hand, and the collective in the left. Its safer for the pilot to take his left hand off the collective to ...

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Which wheel or wheels get the chocks?
4 votes

For tailwheel aircraft, I chock the main on the side with the door (usually right), and the tail to keep it from pivoting. If there's a tail tie down, I will always tie down the tailwheel, and I will ...

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Are there any aircraft used in part 121 (aka scheduled airline) operations that do not require a type rating to fly?
Accepted answer
4 votes

Cape air has a fleet of 83 Cessna 402s, some of which are involved in its Part 121 operation.

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What is the point of making one control surface play the part of multiple control surfaces?
4 votes

Glider designers use flaperons frequently because the chord is so narrow and the wingspan so long that the ailerons have to span the length of the wing to have sufficient roll authority. This leaves ...

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How can an airplane land if a hail storm damages the windshield?
4 votes

Some airplanes, like the Pilatus PC-12 pictured below, have a captain's side window that can be opened during landing so that the pilot has a direct view of the runway. If the windscreen is damaged, ...

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How or when can the 250 KIAS speed limit below 10,000ft be exceeded?
4 votes

In the US, speed restrictions are frequently cancelled, either to ensure or to increase separation between aircraft, as per ATC Handbook 4/3/14 JO 7110.65V, Section 5-7. Speed Adjustment: 5−7−1. ...

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If a warning emerges, why not land as soon as possible?
4 votes

It depends on the emergency. Some of them are bad enough that landing immediately is required by the manual, and some can be deferred until you reach the closest airport, and some can be deferred ...

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