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6 Questions To See How Much You Know About Aircraft Performance

Boldmethod

Good luck!


  1. 1) You're at an airport with a field elevation of 5,000' MSL. The temperature is ISA +5 degrees C. How warm is it on the ramp?

    ISA at sea level is 15 degrees C. But since you're at 5,000' MSL, you need to subtract 2 degrees per 1,000' for ISA. ISA on the ramp is 5 degrees C in this case. Since it's currently ISA +5, the temperature is 10 degrees C.

    ISA at sea level is 15 degrees C. But since you're at 5,000' MSL, you need to subtract 2 degrees per 1,000' for ISA. ISA on the ramp is 5 degrees C in this case. Since it's currently ISA +5, the temperature is 10 degrees C.

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  2. 2) An aircraft with an aft CG requires _______ and is _______ than the same aircraft with a forward CG.

    An aft CG requires less tail-down force. Because of that, the aircraft produces less drag, and has better performance. However, an aircraft with an aft CG is also less stable.

    An aft CG requires less tail-down force. Because of that, the aircraft produces less drag, and has better performance. However, an aircraft with an aft CG is also less stable.

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  3. 3) Which of these factors has the least effect on density altitude?

    Humidity has the least effect.  Temperature has the most, followed by barometric pressure.

    Humidity has the least effect.  Temperature has the most, followed by barometric pressure.

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  4. 4) A single engine aircraft at max gross weight will have a climb rate of _______ at its service ceiling.

    A single-engine plane will climb at 100 FPM, max gross weight, clean configuration, at its service ceiling.

    A single-engine plane will climb at 100 FPM, max gross weight, clean configuration, at its service ceiling.

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  5. 5) You're flying a cross country from an area of high pressure to an area of low pressure. If you don't reset your altimeter, your plane will be _____ than the indicated altitude on your altimeter.

    "High to low, look out below". You'll be lower than your altimeter indicates.

    "High to low, look out below". You'll be lower than your altimeter indicates.

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  6. 6) An aircraft in a constant altitude, 45 degree bank turn has an approximate load factor of:

    In a 45 degree banked level turn, you're pulling roughly 1.4 Gs.

    In a 45 degree banked level turn, you're pulling roughly 1.4 Gs.

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Well, that was tough...

You scored %. Keep studying, and you'll have these questions down in no time...

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You've got aircraft performance down...for the most part.

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Nailed it!

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Colin Cutler

Colin is a Boldmethod co-founder, pilot and graphic artist. He's been a flight instructor at the University of North Dakota, an airline pilot on the CRJ-200, and has directed development of numerous commercial and military training systems. You can reach him at colin@boldmethod.com.

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