MAC262 – ACFT Limits and Speeds Practice Test 2026: The Comprehensive Guide to Master Your Exam!

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What does the Green arc on the airspeed indicator represent?

The stall speed to Vfe.

The flap operating range; from stall speed to Vfe.

The normal operating range from Vs to Vno.

The green arc shows the airplane’s normal operating speeds. It covers the range from the stall speed in the clean configuration up to the maximum structural cruising speed (Vno). Staying within this band means you’re flying where the wing produces sufficient lift without approaching stall, and the airframe is not being subjected to excessive structural loads. Below the green arc you risk a stall; above it, you would be entering the caution range and approaching limits where special care is needed.

The caution range; fly with care and avoid abrupt maneuvers.