DGCA Performance: Take-Off Questions
237 exam-style Take-Off questions for the DGCA Performance paper (CPL · ATPL · PPL). The first 12 are free below with answers and explanations — sign up free to practise all of them with progress tracking.
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Q1
How is wind considered in the take-off performance data of the Aeroplane Operations Manuals?
- A Unfactored headwind and tailwind components are used.
- B Not more than 80% headwind and not less than 125% tailwind.
- C Since take-offs with tailwind are not permitted, only headwinds are considered
- D Not more than 50% of a headwind and not less than 150% of the tailwind.
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Correct answer: D. Not more than 50% of a headwind and not less than 150% of the tailwind.
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Q2
What will be the influence on the aeroplane performance if aerodrome pressure altitude is increased?
- A It will increase the take-off distance.
- B It will decrease the take-off distance.
- C It will increase the take-off distance available.
- D It will increase the accelerate stop distance available.
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Correct answer: A. It will increase the take-off distance.
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Q3
The affect of a contaminated runway on the field limit mass :
- A Decreased weight, increased V1, increased VR
- B Decreased weight, same V1, increased VR.
- C Decreased weight, same V1, same VR.
- D Decreased weight, decreased V1, decreased VR.
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Correct answer: D. Decreased weight, decreased V1, decreased VR.
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Q4
How does the thrust from a fixed propeller change during the take-off run of an aircraft?
- A It remains constant.
- B It increases slightly as the aircraft speed builds up.
- C It decreases slightly as the aircraft speed builds up.
- D It only varies with changes in mass.
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Correct answer: C. It decreases slightly as the aircraft speed builds up.
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Q5
The required Take-off Distance (TOD) and the field length limited Take-off Mass (TOM) are different for the zero flap case and take-off position flap case. What is the result of flap setting in take-off position compared to zero flap position?
- A Increased TOD required and decreased field length limited TOM.
- B Increased TOD required and increased field length limited TOM.
- C Decreased TOD required and decreased field length limited TOM.
- D Decreased TOD required and increased field length limited TOM.
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Correct answer: D. Decreased TOD required and increased field length limited TOM.
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Q6
When operating with anti-skid inoperative:
- A Both landing and take off performance will be affected.
- B Only landing performance will be affected.
- C Only take off performance will be affected.
- D Neither take off or landing performance will be affected.
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Correct answer: A. Both landing and take off performance will be affected.
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Q7
The take-off run is defined as:
- A distance to V1 and then to stop, assuing the engine failure is recognised at V1
- B distance from brake release to the point where the aircraft reaches V2
- C the horizontal distance from the start of the take-off roll to a point equidistant between VLOF and 35 ft
- D the distance to 35 ft with an engine failure at V1 or 1.15 times the all engine distance to 35 ft.
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Correct answer: C. the horizontal distance from the start of the take-off roll to a point equidistant between VLOF and 35 ft
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Q8
The take-off distance available is:
- A the total runway length, without clearway even if this one exists.
- B the length of the take-off run available plus the length of the clearway available.
- C the runway length minus stopway.
- D the runway length plus half of the clearway.
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Correct answer: B. the length of the take-off run available plus the length of the clearway available.
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Q9
What effect does a downhill slope have on the take-off speeds?
- A It has no effect on V1
- B It decreases V1
- C It increases V1
- D It increases the IAS for take-off
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Correct answer: B. It decreases V1
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Q10
During take-off, the thrust of a fixed pitch propeller:
- A increases slightly while the aeroplane speed builds up
- B varies with mass changes only.
- C has no change during take-off and climb.
- D decreases while the aeroplane speed builds up.
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Correct answer: D. decreases while the aeroplane speed builds up.
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Q11
What will be the effect on an aeroplane’s performance if aerodrome pressure altitude is decreased?
- A It will increase the take-off distance required
- B It will increase the take-off ground run.
- C It will decrease the take-off distance required.
- D It will increase the accelerate stop distance.
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Correct answer: C. It will decrease the take-off distance required.
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Q12
The take-off distance of an aircraft is 800m in a standard atmosphere with no wind and at 0 ft pressure altitude. Using the following corrections: ± 20 m / 1 000 ft field elevation - 5 m / kt headwind + 10 m / kt tail wind ± 15 m / % runway slope ± 5 m / °C deviation from standard temperature The take-off distance from an airport at 2 000 ft elevation, temperature 21°C, QNH 1013.25 hPa, 2% up-slope, 5 kt tail wind is:
- A 810 m
- B 970 m
- C 890 m
- D 870 m
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Correct answer: B. 970 m
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