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Questions and Answers
What are the main flight conditions of concern for static trim?
What are the main flight conditions of concern for static trim?
- Takeoff and landing with flaps and landing gear down, and high transonic speeds (correct)
- Cruise and climb
- Descent and stall
- Cruise and dive
Which center of gravity (c.g.) position is critical for trim?
Which center of gravity (c.g.) position is critical for trim?
- Forward c.g. position (correct)
- Rearward c.g. position
- Mid-c.g. position
- Aft-c.g. position
What is the primary concern for an aft-c.g. position?
What is the primary concern for an aft-c.g. position?
- Control
- Performance
- Trim
- Stability (correct)
During which phase of flight is the forward c.g. position most critical?
During which phase of flight is the forward c.g. position most critical?
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What is the relationship between the center of gravity and stability?
What is the relationship between the center of gravity and stability?
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What occurs when there is a change in angle of attack?
What occurs when there is a change in angle of attack?
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Why does the tail angle of attack not vary directly with aircraft angle of attack?
Why does the tail angle of attack not vary directly with aircraft angle of attack?
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What represents neutral stability in an aircraft?
What represents neutral stability in an aircraft?
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What happens to the pitching-moment derivative when the center of gravity is at the neutral point Xnp?
What happens to the pitching-moment derivative when the center of gravity is at the neutral point Xnp?
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What is the result of a negative pitching-moment derivative?
What is the result of a negative pitching-moment derivative?
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Why is the aft-c.g. position critical for stability?
Why is the aft-c.g. position critical for stability?
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