DGCA Air Navigation: Climb & Descent Questions
163 exam-style Climb & Descent questions for the DGCA Air Navigation 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
At what approximate distance from the threshold would an aircraft intercept the glide path if the aircraft height is 2500 feet, and the ILS glide path angle is 3°?
- A 7.0 nm.
- B 7.8 nm.
- C 13.0 nm.
- D 14.5 nm.
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Correct answer: B. 7.8 nm.
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Q2
Convert 70 metres /second into knots?
- A 35 kts
- B 55 kts
- C 136 kts
- D 146 kts
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Correct answer: C. 136 kts
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Q3
If there is a 10 knot increase in headwind by what amount must the rate of descent be changed in order to maintain a 3° glideslope?
- A It must be increased by 30 ft/min.
- B It must be decreased by 30 ft/min.
- C It must be decreased by 50 ft/min.
- D It must be increased by 50 ft/min.
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Correct answer: C. It must be decreased by 50 ft/min.
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Q4
What will be the rate of descent when flying down a 12% glide slope, at a groundspeed of 540 knots?
- A 3130 ft/min.
- B 4830 ft/min.
- C 6550 ft/min.
- D 8740 ft/min.
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Correct answer: C. 6550 ft/min.
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Q5
An aircraft flying down a 3° ILS glideslope is at 25 nm DME from the threshold. Using the 1 in 60 rule and approximating 1 nm to 6000 ft, calculate the aircraft height above the runway threshold, assuming that the ILS glidepath crosses the threshold at a height of 50ft ?
- A 6450 ft.
- B 7455 ft.
- C 7650 ft
- D 8015 ft.
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Correct answer: C. 7650 ft
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Q6
730 FT/MIN equals?
- A 5.2 m/sec.
- B 1.6 m/sec.
- C 2.2 m/sec.
- D 3.7 m/sec.
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Correct answer: D. 3.7 m/sec.
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Q7
If there is a 15 knot increase in headwind by what amount must the rate of descent be changed in order to maintain a 3° glideslope?
- A It must be decreased by 79 ft/min.
- B It must be Increased by 79 ft/min.
- C It must be increased by 35 ft/min.
- D It must be decreased by 35 ft/min.
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Correct answer: A. It must be decreased by 79 ft/min.
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Q8
What will be the rate of descent when flying down a 10° glide slope, at a groundspeed of 500 knots?
- A 7440 ft/min.
- B 5900 ft/min.
- C 6500 ft/min.
- D 8440 ft/min.
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Correct answer: D. 8440 ft/min.
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Q9
An aircraft at FL370 is required to commence descent when 100 NM from a DME facility and to cross the station at FL120. If the mean GS during the descent is 396 kt, the minimum rate of descent required is approximately?
- A 1650 ft/min.
- B 2400 ft/min
- C 1000 ft/min.
- D 1550 ft/min.
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Correct answer: A. 1650 ft/min.
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Q10
An aircraft is travelling at 100 kt forward speed on a 3° glideslope. What is its rate of descent?
- A 500 ft/min
- B 300 ft/min
- C 250 ft/min
- D 500 ft/sec
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Correct answer: A. 500 ft/min
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Q11
An aircraft is descending down a 12% slope whilst maintaining a GS of 540 kt. The rate of descent of the aircraft is approximately?
- A 4500 ft/min.
- B 3900 ft/min.
- C 6500 ft/min.
- D 650 ft/min.
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Correct answer: C. 6500 ft/min.
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Q12
If there is a 25 knot increase in headwind by what amount must the rate of descent be changed in order to maintain a 3° glideslope?
- A It must be decreased by 125 ft/min.
- B It must be increased by 125 ft/min.
- C It must be increased by 135 ft/min.
- D It must be decreased by 135 ft/min.
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Correct answer: A. It must be decreased by 125 ft/min.
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