Newest Questions
26,639 questions
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Where is airflow acceleration highest on a wing?
Where does maximum airflow acceleration occur on a wing or airfoil? Is it at where the pressure gradient is highest along the flow? Can we visualize the acceleration field in CFD? Is the minimum ...
- 2,068
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Does commercial UAV insurance cover the operator or the business?
I am a new UAV operator in the UK and am currently completing my A2 CofC qualification. One item I noted in the training is that if flown for commercial purposes, then a EC 785/2004 compatible ...
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How does Cirrus' "Safe Return" actually interface with air traffic control and obtain clearance to land somewhere?
CNN's May 6, 2025 Is this the future of flying? An FAA-certified airplane that can land on its own includes:
Aircraft manufacturer Cirrus is launching the first Federal Aviation Administration-...
- 6,537
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Is the airspeed for best endurance also the airspeed for best angle of climb?
Understanding that for a propeller driven aircraft, the airspeed for best endurance is the speed at which minimum power is required, and obviously the prop is more efficient at producing thrust at ...
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Untowered Field Operations: Communicating a right turnout *after* departing the pattern
Say you are departing runway 09 at an untowered field with left traffic, and your destination is to the south.
According to the AC 90-66C (pg 15, section 11.8) you should depart the pattern either ...
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This is a question that my prof gave for the final exam which is over. Please Give a hint or solve this problem, thanks in advance [closed]
Consider a $1:10$ scale model of an airplane in a wind tunnel. The actual aircraft has the following :
Length scale of the wing cross-section $𝐿 = 3m$.
The aircraft travels at an altitude of say $...
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Is the distance between the air molecules increased on the upper side of the wing, for subsonic speeds?
Pressure is caused by bouncing molecules at the surface.
Air over wing reduce static pressure, for low subsonic flow, up to 0.3 Mach density/temperature is constant, how then explain reduction in ...
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If DA is barometric altitude, why does VNAV have higher minimums than precision approaches?
As I'm studying for my instrument checkride I realized there's something I don't get about decision altitudes. IIUC, you get a DA on an approach with an official glideslope. These glideslopes are ...
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How does the career path look to become an aerial helicopter firefighter?
I am currently in the application process to SPU flight academy in Gothenburg, Sweden, who offer an ATPL (H) Program. I am a Swedish Citizen.
I am aspiring to become a helicopter pilot and I would ...
4
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How are dry bays meant to prevent fire in the event of uncontained engine failure?
This page mentions dry bays being used to help protect the aircraft from fire in the event of an uncontained engine failure. These dry bays are deliberately placed in areas inline of the turbine. ...
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What is the mitigation for brake overheating in part 23 aircraft to minimize risk of fire?
I read this summary of accident report Swearingen SA226-TC in Mirabel, the main issue was about brake overheating due to dragging brake. Unaware of the situation, the flight crew retracted the landing ...
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In the US, what prevents me from flying my drone/rc plane to unlimited altitudes, or at least as high as I can see it, at certain sites, reg-wise?
The FAA / Congress have recently modified the 49 USC 44809 "Recreational Exception" to Part 107 to allow small Unmanned Aircraft (e.g. traditional radio-controlled model airplanes, "...
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FDR duplicated records (Flight data recorder) [closed]
I'm working with Flight Data Recorder (FDR) data collected from a flight simulator. Since each parameter has its own sampling rate, many values are duplicated. What's the best way to handle these ...
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Tacan Manufacturer Globally
Who are the major manufacturers of TACAN systems globally. I need to know about the manufacturers of TACAN systems globally. So far I have only been able to find L3Harris, Collins, Thales and Indra
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Can a pilot "deacitvate" an inoperative instrument by simply covering it?
This is a hypothetical PPL oral exam question (but depending on the answer, I might have unintentionally violated some rule)...
You are a private pilot and you are about to fly a Cessna 172 in day VMC ...
