Airline Transport Pilot Written Knowledge Practice Test 2025 - Free Practice Questions and Study Guide

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What is the maximum IAS when flying beneath Class B airspace?

150 KIAS

200 KIAS

When flying beneath Class B airspace, the maximum indicated airspeed is 200 KIAS. This restriction is in place to promote safety and ensure efficient air traffic management in busy airspace where Class B airspace is typically located. Class B airspace is usually surrounding major airports with high traffic volumes, and controlling speeds helps to minimize the risk of collisions, especially when aircraft are operating in the terminal area.

By setting the maximum speed limit at 200 KIAS, pilots can maintain better control of their aircraft and increased vertical separation from other aircraft operating within the Class B boundaries. This regulation is part of the broader system of air traffic control procedures designed to keep flights organized, especially where various types of aircraft may be sharing airspace. Limits on airspeed are crucial for safe and efficient operations in such congested environments.

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250 KIAS

300 KIAS

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