Commercial Pilot License (CPL) 2026 – 400 Free Practice Questions to Pass the Exam

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What is the glide ratio for best glide speed during engine failure?

500' per 1 NM

600' per 1 NM

The best glide speed during engine failure is crucial for maximizing distance while minimizing altitude loss. A glide ratio of 600 feet per nautical mile is a widely accepted value for many general aviation aircraft. This means that for every 600 feet of altitude lost, the aircraft can glide approximately 1 nautical mile. This value allows pilots to effectively plan their gliding distance to a safe landing area, offering a balance between aerodynamic efficiency and control.

In practical terms, understanding this glide ratio helps pilots make informed decisions during an engine failure situation, especially in managing descent and selecting landing sites. Pilots trained in emergency procedures are typically familiar with their aircraft's specific glide performance, but the 600 feet to 1 nautical mile glide ratio serves as a general guideline across various aircraft types.

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700' per 1 NM

800' per 1 NM

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