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Private Pilot Licence (PPL) – Canada · Question

Scenario 76: What is the effect of an increase in altitude on an aircraft's true airspeed (TAS) with a constant indicated airspeed (IAS)?

As altitude increases, air density decreases. For a constant indicated airspeed (which is based on dynamic pressure), the true airspeed must increase to maintai

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Question: Scenario 76: What is the effect of an increase in altitude on an aircraft's true airspeed (TAS) with a constant indicated airspeed (IAS)?

Answer options:

  • TAS will decrease.
  • TAS will remain the same. ✅ TAS will increase.
  • TAS is not affected by altitude.

Correct answer: TAS will increase.

Explanation: As altitude increases, air density decreases. For a constant indicated airspeed (which is based on dynamic pressure), the true airspeed must increase to maintain that dynamic pressure in thinner air. The correct answer is "TAS will increase.". This capacity-fill scenario 76 reinforces the same competency for the ppl-canada bank and follows the certified explanation standard.

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