Top new questions this week:
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Reading through FAR AIM. I came across the ADSB section which stated that transponders should be turned off except for the lead plane. Why is this?
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Numerous Movies, Video Games, and TV shows featuring fighter pilots depict the pilots calling out “Fox Two” on the radio as they fire a missile. The transmission (as depicted, I’m not sure …
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Is there a site that explains the reasoning behind each individual airspace designation? I ask this because the sectional chart shows a 6 NM radius area centered at about 40°22’30.0″N 77°37’30.0&…
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What is really meant by max 240 kt, 220 kt and 185 kt in the picture of Jeppesen chart? What I don’t understand is: are the speed limits for waypoints or for routes between waypoints. If speed …
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How do inverters in aircraft work? And why are they necessary?
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The Russian Mil Mi-17 helicopters have a dust protection device fitted at engine intake (see the rounded part in front of the intake): Its checklist gives an altitude limitation from sea level to …
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Virgin Orbit’s LauncherOne is carried in the spare engine position of its 747 carrier aircraft inboard from the inner engine on the portside wing. At launch, the orbital launch vehicle is dropped from …
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Greatest hits from previous weeks:
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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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Are turboprops really more efficient than jets? If yes, does that mean that airlines who use jets sacrifice fuel for faster flights?
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What are the pods with the sharp trailing edges underneath the wings of large airliners, as shown in the image below? My best guess would be fuel tanks
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How do I contact a Flight Service Station (FSS) in the United States in order to receive weather information or open a flight plan after I’ve already departed.
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I find it funny that at gas stations, generally you can purchase “regular” gasoline (in various octane levels) or diesel. At airports, generally you can purchase 100LL avgas or Jet-A. Can you compare …
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I’m told that this is true, but I can’t imagine why. It seems like the fact that there is less air would make the engines less efficient… But that probably just shows how little I know about jet …
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What are the advantages and disadvantages of a high-wing vs. low-wing aircraft design? When might one prefer one to the other? Is the answer the same for large and small aircraft?
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Can you answer these questions?
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Which transmissometer measures the RVR value specified in the takeoff limits section? TDZ? MID? Or Rollout (RO)? If there are 3 transmissometers for the runway at an airport, which transmissometer …
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What exactly is the difference between HIALS and HIALS-II lighting systems? The symbols at the beginning of the runways are very different and I cannot classify them in a particular way. But in …
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I’d like to use a tapered wing with 0 deg leading edge sweep and 12 deg trailing edge sweep as shown below for my RC model. I understand that lift curve slope, a, is reduced for wings with leading-…
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