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Weekly tips, technique and training from IFR.

Preface

You are required to report when:

1.

Your true Airspeed changes by more than five percent or 10 knots, whichever is greater, from that filed in your flight plan.

2.

Your indicated Airspeed changes by ten percent or 15 knots, whichever is greater.

3.

Your calibrated Airspeed changes by ten percent or 15 knots, whichever is greater.

4.

You can remember what TAS you originally filed.

If you enjoyed taking this interactive quiz and would like to see more like it, go to the IFR Quiz page. And if you thought it was unfair, confusing, or a waste of time, we'd like you to tell us that, too. And if you have an idea for a subject that you think would make a good future IFR Quiz, be sure to let us know.