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Performance

Difficulty: HighExam Weight: High

Overview

Performance covers takeoff and landing performance calculations, climb and cruise performance, and the effects of variables like temperature, altitude, weight, wind, and runway conditions. You must be proficient in reading and interpreting performance charts and graphs.

Key Topics

  • Takeoff performance and TODA/TORA/ASDA/LDA
  • Takeoff decision speeds (V1, VR, V2, VMCG, VMCA)
  • Climb performance and gradient requirements
  • Cruise performance — range and endurance optimization
  • Landing performance and factors
  • Effects of density altitude on performance
  • Contaminated runway operations
  • Engine failure procedures and performance
  • Obstacle clearance requirements
  • Performance Class A, B, and C aircraft differences

Study Tips

Practice reading performance charts from actual aircraft manuals

Understand the relationship between density altitude and performance

Know the takeoff and landing distance definitions (TODA, TORA, ASDA, LDA)

Master the V-speed definitions — examiners love these

Work through engine-out scenarios with gradient calculations

Sample Questions

1. V1 is defined as:

A. Rotation speed
B. Takeoff decision speed✓ Correct
C. Best angle of climb speed
D. Minimum control speed in the air

2. An increase in density altitude will:

A. Improve takeoff performance
B. Have no effect on performance
C. Degrade takeoff performance✓ Correct
D. Only affect landing performance

3. What effect does a tailwind have on takeoff distance required?

A. Decreases it
B. Increases it✓ Correct
C. No effect
D. Depends on runway length

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