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Flight plans and flight itinerariesQuestion 186 of 351

You have an IFR flight plan. By how much must true airspeed change before you must notify of the change?

  1. Five per cent or more of the planned true airspeed
  2. One per cent of the planned true airspeed
  3. Twenty per cent of the planned true airspeed
  4. Ten knots or more
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Correct answer: Five per cent or more of the planned true airspeed

A true airspeed change of five per cent or more must be reported for an IFR flight plan.

Source: Canadian Aviation Regulations (SOR/96-433), CAR 602.76(1) Changes in the Flight Plan

Practice flight plans and flight itineraries

Questions last reviewed: 18 October 2026