ACFT - Factors Affecting Aircraft Performance

Question 1

Long taxi routes can cause a part of an A/C to heat up. Which is…. (1)

Answer 1

Hot brakes

(From residual thrust)

Question 2

Why may a Pilot decide to leave the undercarriage down after take-off? (1)

Answer 2

To cool down the brakes

Question 3

Why may we give an A/C climb at the earliest opportunity? (2)

Answer 3

1. Jet engines aren’t efficient at low levels
2. Fuel costs

Question 4

Why may we clear A/C to Cruising Level ASAP? (1)

Answer 4

More economical
(Especially for A/C on a fuel critical leg)

Question 5

What problems may an A/C suffer during Hydraulic failure? (5)

Answer 5

1. Flaps
2. Brakes
3. Gear down
4. Rudder
5. Aileron etc.

Question 6

What factors affect Take-off Performance? (9)

Answer 6

1. Take-off mass
2. Power
3. Elevation of AD
4. Runway
5. Air Temp
6. Wind
7. Noise Abatement
8. Company Instructions
9. Serviceability

Question 7

What factors affect performance during Climb? (6)

Answer 7

1. Mass
2. Speed
3. Wind
4. Cabin Pressurisation
5. Air Temp
6. Air Density

Question 8

What factors affect performance during Cruise? (5)

Answer 8

1. Mass
2. Cruising Speed
3. Wind
4. Cabin Pressurisation
5. Level

Question 9

What factors affect performance during Landing? (9)

Answer 9

1. Landing Mass
2. Elevation of AD
3. Runway
4. Air temp
5. Wind
6. ATC requests
7. Company Instructions
8. Pilot preferences
9. A/C Configuration

Question 10

What economic consequences may affect an A/C from ATC? (5)

Answer 10

1. Routing
2. Flight level
3. Speed
4. Rates of Climb / Descent
5. Holding

Question 11

What factors affect Holding Aircraft? (7)

Answer 11

1. Fuel
2. Time
3. Drag
4. Track
5. Speed
6. Level
7. Turbulence