BAvn Bachelor of Aviation Aircraft Performance and Weight & Balance 1 — Questions and Answers
Question 1: What is the term for the maximum weight at which an aircraft is certified to take off?
- Maximum Landing Weight
- Maximum Zero Fuel Weight
- Maximum Takeoff Weight (Correct answer)
- Operating Empty Weight
Correct answer: Maximum Takeoff Weight
Maximum Takeoff Weight (MTOW) is the certified upper limit of aircraft gross weight at the start of the takeoff roll.
Question 2: Which factor does NOT directly affect aircraft takeoff distance?
- Headwind component
- Runway surface condition
- Aircraft paint color (Correct answer)
- Pressure altitude
Correct answer: Aircraft paint color
Paint color has no effect on aerodynamic performance or takeoff distance; wind, runway surface, and pressure altitude all directly influence it.
Question 3: An aircraft's center of gravity (CG) is located forward of the forward CG limit. What is the primary handling concern?
- Reduced stall speed
- Insufficient elevator authority to rotate (Correct answer)
- Increased lateral stability
- Higher cruise speed
Correct answer: Insufficient elevator authority to rotate
A CG forward of the limit creates a nose-heavy condition that may prevent the elevator from generating enough pitch-up moment to rotate at Vr.
Question 4: What does the term 'density altitude' mean in aviation performance?
- Actual altitude above sea level
- Pressure altitude corrected for non-standard temperature (Correct answer)
- Altitude corrected for humidity only
- True altitude minus indicated altitude
Correct answer: Pressure altitude corrected for non-standard temperature
Density altitude is pressure altitude adjusted for temperature deviation from ISA standard, representing the air density the aircraft 'feels'.
Question 5: If an aircraft's actual gross weight exceeds its MTOW, which of the following is the most immediate operational risk?
- Compass deviation increases
- Structural limits and performance guarantees are invalidated (Correct answer)
- Fuel flow decreases
- Navigation accuracy is reduced
Correct answer: Structural limits and performance guarantees are invalidated
Exceeding MTOW voids structural integrity guarantees and performance data from the flight manual, creating serious safety risks.
Question 6: Which performance chart is used to determine the accelerate-stop distance for a twin-engine aircraft?
- Climb gradient chart
- Balanced field length chart (Correct answer)
- Cruise control chart
- Payload-range diagram
Correct answer: Balanced field length chart
The balanced field length chart shows the distance required to accelerate to V1 and either continue the takeoff or stop, used for obstacle clearance and runway planning.
Question 7: What effect does a tailwind have on aircraft takeoff performance?
- Decreases takeoff distance
- Has no effect on ground roll
- Increases takeoff distance (Correct answer)
- Increases climb gradient
Correct answer: Increases takeoff distance
A tailwind increases groundspeed at liftoff, requiring a longer ground roll to achieve the same airspeed needed for flight.
BAvn Bachelor of Aviation Aircraft Performance and Weight & Balance 1
What is the term for the maximum weight at which an aircraft is certified to take off?