Commercial Pilot Licence (CPAER) – Canada · Question
What is the primary benefit of swept-back wings on a high-speed aircraft?
Swept-back wings reduce wing drag at high speeds and increase the critical Mach number, delaying the onset of compressibility effects (e.g., shock waves) that o
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Question: What is the primary benefit of swept-back wings on a high-speed aircraft?
Answer options:
- Increased lift at low speeds
- Improved stability at all speeds ✅ Reduced drag and delayed onset of compressibility effects at high speeds
- Better control at stall speeds
Correct answer: Reduced drag and delayed onset of compressibility effects at high speeds
Explanation: Swept-back wings reduce wing drag at high speeds and increase the critical Mach number, delaying the onset of compressibility effects (e.g., shock waves) that occur as an aircraft approaches the speed of sound.
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Question explanations
- What is the minimum visibility required for a commercial VFR flight in Class D airspace at or below 3,000 feet
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