Top new questions this week:
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The centerline lights for runways and taxiways are to the side of the centerline itself by a few inches. This, of course, is not a problem, but why are the lights positioned that way? (Image: …
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I believe I was misdiagnosed with ADHD when I was a small child. I now want to get my PPL, and this seems to be a problem. Can I get the ADHD diagnosis removed from my medical record? I do not have …
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Since Helios 522 was unpressurized all the time, shouldn’t the faster-than-usual change of interior air pressure during the ascent have alarmed the pilots that something isn’t alright because their …
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If a positive angle of attack (AoA) is needed to produce lift, then how is it created when a plane is in a 30 degree nose low dive? How does it not stall? At this attitude the AoA has to be negative, …
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I am retrieving ADSB data from Opensky-network.org. I would like to know what the baro altitude represents, is it the height above ground level or above mean sea level ?
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Living in southeast Washington, ForeFlight often paints large swaths of mountainous terrain to the east as IFR “mountain obscuration”. I live at the foot hills, and often as I look that way, I see …
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I’ve heard different answers for what limits if you can take off IFR from an airfield. I’ve heard that you have to be restricted to the lowest compatible mins on an instrument approach field and I’ve …
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Greatest hits from previous weeks:
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What is the passenger capacity of an A380, and how many suitcases could it carry?
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What are the main differences in flying a Boeing vs an Airbus aircraft? Ignoring cosmetics, e.g. nose/window shape (see How can I tell apart an Airbus from a Boeing?)
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I love aviation and I love learning new things about it. I was wondering if anyone knew all of the squawk codes and in particular what squawk 7500 means.
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Does a plane have brakes to stop or slow down while flying? For example, if the pilots see a large flock of birds at some distance in front of the airplane, and they want to reduce speed suddenly. …
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“An aircraft is cruising at FL170. The altitude shown with QNH set is 17,500 feet. The OAT is -10 deg C. What is the true altitude?” The ISA temperature deviation is 9°C. My calculation is: 17,500′ …
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I have heard pilots talk about flaps and slats, seemingly interchangeably. Is there a difference between a flap and a slat or they are the same thing?
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In the US, a common mnemonic for the documents that must be on board an aircraft is ARROW: Airworthiness Certificate Registration Certificate Radio Station License (international flights only) …
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Can you answer these questions?
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I searched every inch of the internet still couldn’t find the value of JT9D thrust specific fuel consumption (TSFC) , I just found the SFC which is around 0.37. Can anyone help please?
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I’d like to perform a static structural load test of a wing for a UAV. The wing is a rectangular planform of constant thickness throughout the wingspan with no twist, dihedral, or sweep. During steady-…
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There is this one, which seems to be the older version. And this one, which has a different color and overall design. Why are there two of them?
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