How can an airplane fly upside down?

  • How can an airplane fly upside down? sandy

    I thought the shape of the wing gave an airplane upward lift. How can it fly if it's upside down?

Related questions and answers
  • I thought the shape of the wing gave an airplane upward lift. How can it fly if it's upside down?

  • The answer for How does wind affect the airspeed that I should fly for maximum range in an airplane? refer to a velocity/power-required curve. As far as I can tell, this curve can't be deduced from information in the flight manual. I suppose one could experiment and determine what power setting is required in order to maintain level flight at a bunch of airspeeds. (Or for a glider, record the sink rate, which is proportional to the negative of the power-required, at a bunch of airspeeds.) Would that be accurate enough? Are these curves available from the manufacturer?

  • This video shows a Hawker jet with the wing fluttering up and down like it's about to break. What can cause flutter like that? Can it actually cause a wing or stabilizer failure? How can flutter be prevented? What should be done if something like this happens?

  • How do I get permission to fly an airplane with a non-safety-related airworthiness issue, like being out of annual or having an inoperative radio in order to take it somewhere that it can be fixed?

  • If an airplane is already equipped for RVSM flight, how do we obtain a Letter of Authorization (LOA) for RVSM in order to actually fly in RVSM airspace?

  • If I'm watching an aircraft fly overhead and it becomes apparent to me that it is failing, what action can I take in response to this incident? For now I will leave this question generic as to location, but if it becomes necessary to narrow it down I am interested in the US specifically.

  • As an engineer I can explain in very technical terms exactly what makes an airplane fly, however, it isn't easily understood by non-technical people. How can I explain it to Grandma or a nine year old in a way that isn't really incorrect but is far less technical than what we learn as pilots?

  • I'm from Brazil, and here we use the West/East rule, so we use an odd flight level when we fly between 0/360 - 179, and when we fly between 180 - 359 we fly in an even flight level. But what should you do in other countries? Where I can find those rules? I've heard that in Europe it's totally different, and that in some countries in Asia they use meters, instead of feet. Where can I find this information?

  • There are a number of different ways of taking off with a powerless hang glider, the most commonly used being either running down a hill or jumping off a cliff/platform. This is how I learned to hang glide and is the standard way of getting airborne for most hang gliders. However, I recently moved to the Houston, Texas which is extremely flat. As far as I can tell, there isn't a single hill tall enough to take off from within a 100 mile radius of where I live. How can I safely get airborne when I am on flat ground?

  • Runway 6 Circle Runway 1 Approach, cleared to land runway 1 If I fly the ILS (localizer and glideslope) until reaching circling minimums, especially in a category C or D airplane...If it were a beautiful sunny VFR day and you were cleared for a circling approach, can you begin the circle prior to the final approach fix/circling DH in order to maneuver visually to land? Here are two examples of situations where it would be very useful, and both are real life clearances that I have gotten multiple times: Example 1 - KASE Clearance: N1234, Cleared for the VOR/DME-C

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