DGCA Performance: Class B Aeroplanes Questions

69 exam-style Class B Aeroplanes questions for the DGCA Performancepaper (CPL & ATPL). The first 12 are free below with answers and explanations — sign up free to practise all of them with progress tracking.

  1. Q1

    For a single engine Class B aeroplane, how does runway slope affect allowable take-off mass, assuming other factors remain constant and not limiting?

    • AAn uphill slope decreases take-off mass.
    • BAllowable take-off mass is not affected by runway slope
    • CA downhill slope decreases allowable take-off mass
    • DA downhill slope increases allowable take-off mass
    Show answer

    Correct answer: A. An uphill slope decreases take-off mass.

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  2. Q2

    A turbo-propeller aircraft is certified with a maximum take-off mass of 5600 kg and a maximum passenger seating of 10. This aircraft would be certified in:

    • AClass A
    • BClass B
    • CClass C
    • DEither class A or class B depending on the number of passengers carried.
    Show answer

    Correct answer: A. Class A

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  3. Q3

    For this question use Performance Manual CAP 698 SEP 1 Figure 2.3. Using the climb performance chart, for the single engine aeroplane, determine the rate of climb and the gradient of climb in the following conditions: Given:- O.A.T at Take-off: ISA , Airport pressure altitude: 3000 ft, Aeroplane mass: 3450 Ibs, Speed : 100 KIAS

    • A1,310 ft/min and 11.3%
    • B1,130 ft/min and 10.6%
    • C1,030 ft/min and 8.4%
    • D1,140 ft/min and 11.1%
    Show answer

    Correct answer: B. 1,130 ft/min and 10.6%

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  4. Q4

    Which of the following statements correctly describes one of the general requirements about the operation of Class B single engine aeroplanes in the public transport category?

    • AThey may fly at night.
    • BThey must be flown so that an airfield can be reached following engine failure.
    • CThey are not to operate in IMC, except under special VFR.
    • DThey must not be operated over water.
    Show answer

    Correct answer: C. They are not to operate in IMC, except under special VFR.

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  5. Q5

    For this question use Performance Manual CAP 698 SEP 1 Figure 2.4 With regard to the landing chart for the single engine aeroplane determine the landing distance from a height of 50 ft. Given:- O.A.T: 27°C, Pressure Altitude: 3000 ft, Aeroplane Mass: 2900 Ibs, Tailwind component: 5 kt, Flaps: Landing position (down), Runway: Tarred and Dry,

    • Aapproximately : 1,120 feet.
    • Bapproximately : 1,700 feet.
    • Capproximately : 1,370 feet.
    • Dapproximately : 1,850 feet.
    Show answer

    Correct answer: D. approximately : 1,850 feet.

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  6. Q6

    For a Class B multi-engine aeroplane at an aeroplane with no stopway or clearway, the length of take-off run that must be available for take-off, to satisfy the requirements:

    • AMust not be less than the gross take off distance to 50ft.
    • BMust not be less than 1.15 times the gross take off distance to 50ft.
    • CMust not be less than 1.25 times the gross take off distance to 50ft.
    • DMust not be less than 1.3 times the gross take off distance to 50ft.
    Show answer

    Correct answer: C. Must not be less than 1.25 times the gross take off distance to 50ft.

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  7. Q7

    For a multi-engine class B aeroplane, the en-route phase extends from:

    • A1,000 ft above the take-off surface to 1,500 ft above the landing surface.
    • B1,500 ft above the take-off surface to 1,000 ft above the landing aerodrome level.
    • CFrom the start of level flight to the end of level flight.
    • D50 ft above the take-off surface to 1,500 ft above the landing aeroplane level.
    Show answer

    Correct answer: B. 1,500 ft above the take-off surface to 1,000 ft above the landing aerodrome level.

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  8. Q8

    The Landing Distance Available at an aerodrome is 2,500 feet. For a Class B aircraft, what distance should be used in the landing distance graph to obtain the maximum permissible landing weight, if the runway, if the runway has a paved wet surface with a 1% downhill slope?

    • Aapproximately : 1,665 ft.
    • Bapproximately : 1,447 ft.
    • Capproximately : 1,748 ft.
    • Dapproximately : 2,500 ft.
    Show answer

    Correct answer: B. approximately : 1,447 ft.

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  9. Q9

    For this question use Performance Manual CAP 698 SEP 1 Figure 2.1. With regard to the take-off performance chart for the single engine aeroplane, determine the take-off speed for (1) rotation and (2) at a height of 50ft. Given:- O.A.T : ISA + 10 Pressure Altitude: 5,000 ft, Aeroplane mass: 3,400 IBS, Headwind component: 5 kt, Flaps: up, Runway: Tarred and Dry

    • A73 and 84 kt
    • B68 and 78 kt
    • C65 and 75 kt
    • D71 and 82 kt
    Show answer

    Correct answer: D. 71 and 82 kt

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  10. Q10

    For this question use Performance Manual CAP 698 SEP 1 Figure 2.3. Using the climb performance chart, for the single engine aeroplane, determine the ground distance to reach a height of 1,500 ft in the following conditions: Given:- O.A.T at Take-off : ISA, Airport pressure altitude: 5,000 ft, Aeroplane mass: 3,300 Ibs, Speed: 100 KIAS, Wind component: 5 kts Tailwind.

    • A19,250 ft.
    • B14,275 ft
    • C14,925 ft
    • D15,625 ft
    Show answer

    Correct answer: D. 15,625 ft

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  11. Q11

    According to the information in a light aircraft manual, which gives two power-settings for cruise, 65% and 75%. If you fly at 75% instead of 65%.

    • ACruise speed will be higher and SFC will be the same.
    • BCruise speed will be higher and SFC will be lower.
    • CCruise speed will be higher and SFC will be higher.
    • DCruise speed will be same and SFC will be the same.
    Show answer

    Correct answer: C. Cruise speed will be higher and SFC will be higher.

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  12. Q12

    For this question use Performance Manual CAP 698 SEP 1 Figure 2.4 With regard to the landing chart for the single engine aeroplane determine the landing distance from a height of 50 ft. Given:- O.A.T: ISA +15°C, Pressure Altitude: 0 ft, Aeroplane Mass: 2940 Ibs, Headwind component: 10 kt, Flaps: Landing position (down), Runway: short and wet grass with firm soil base, Correction factor (wet grass) : 1.38.

    • Aapproximately : 1,300 feet.
    • Bapproximately : 2,000 feet.
    • Capproximately : 1,450 feet.
    • Dapproximately : 1,794 feet.
    Show answer

    Correct answer: D. approximately : 1,794 feet.

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