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Free PSTAR practice Aircraft Operations

A 45 kt blast area can be expected ..... behind the propellers of a large turbo-prop aeroplane during taxi.

  1. A60 feet.Correct answer
  2. B80 feet.
  3. C100 feet.
  4. D120 feet.

Why this is the answer

Per the TC AIM-AIR propeller-blast danger figures, a large turbo-prop taxiing produces a 45-kt blast as far as 60 ft behind its propellers. Propeller wash, like jet blast, can upset light aircraft, vehicles and personnel close behind.

Reference

TC AIM-AIR – Jet and Propeller Blast Danger

Question reproduced verbatim from Transport Canada’s PSTAR Study and Reference Guide (TP 11919E). The answer key is Transport Canada’s; the explanation is ours.

A study aid — not a substitute for the official guide, the CARs, or your instructor.

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