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At a standard-rate turn, how long does it take to complete a 360-degree turn?

Choices

One minute
One minute would require six degrees per second, twice the standard rate.
✓ Two minutescorrect
A standard-rate turn is three degrees per second, so 360 degrees takes two minutes.
Four minutes
Four minutes would be half the standard rate (1.5 degrees per second).
Thirty seconds
Thirty seconds would be far steeper than a standard-rate turn.

Why

A standard-rate turn is defined as three degrees per second; dividing 360 degrees by three degrees per second gives 120 seconds, or two minutes.

FAA source: Airplane Flying Handbook FAA-H-8083-3 Ch. 3 (the four fundamentals) / PHAK Ch. 8 (attitude indicator; standard-rate turn)browse the reference library →

This is taught in Controlling the Airplane by Reference to Instruments — study the lessons free, then practice with grading and mastery tracking.

Original study question written for this course — representative of FAA knowledge-test topics, not an actual current FAA exam question.