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No, at least, not in the way you seem to think. When any aircraft flies, it does so relative to the air, not the ground. So, when you're watching from the ground, the air acts like a treadmill. So, if you've got a 35kt South* wind, and a UAV that's flying North at 25kts, then, from the perspective of the ground, it will be traveling North at 60kts. It will ...

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"Is it dangerous to do a skidding turn to lose altitude without increasing airspeed" This is a great question as it underscores the importance of approaching at around 1.3 times stall speed. Also, of critical importance, is your instructor did NOT request a skidding turn, what was requested was a forward slip, although I admit this may have taken me by ...

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The flight path is a path defined with respect to the ground. Therefore, the flight path angle must be computed with the ground speed: The flight path angle $\alpha$ is calculated by the on-board computers with: $$\alpha = \text{arctan} \left( \frac{V/S}{\text{GS}} \right)$$ The source of the ground speed would in general be aircraft dependent, but for ...

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