DGCA Air Navigation: Warnings & Recording (GPWS · ACAS · CVR/FDR) Questions
72 exam-style Warnings & Recording (GPWS · ACAS · CVR/FDR) questions for the DGCA Air Navigationpaper (CPL & ATPL). The first 12 are free below with answers and explanations — sign up free to practise all of them with progress tracking.
- Q1
On receipt of a TCAS RA your action is to:
- Ainitiate the required manoeuvre immediately
- Bmake a note of the details.
- Crequest a flight clearance deviation from ATC.
- DDo nothing until a TA is received.
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Correct answer: A. initiate the required manoeuvre immediately
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- Q2
An altitude alerting system must at least be capable of alerting the crew on: 1. Approaching selected altitude 2. Abnormal gear/flap combination 3. Excessive vertical speed 4. Excessive terrain closure 5. Excessive deviation from selected altitude 6. Failure to set SPS or RPS as required
- A1&3
- B2&5
- C4&6
- D1&5
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Correct answer: D. 1&5
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- Q3
An aircraft that is assessed as not being a threat would be indicated on a TCAS system as:
- Aa solid red square
- Ba solid white or cyan diamond
- Ca hollow white or cyan diamond
- Da solid yellow circle
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Correct answer: C. a hollow white or cyan diamond
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- Q4
The input to a basic stall warning system are:
- AAngle of attack
- BIAS
- CSlat/flap position
- DMno
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Correct answer: A. Angle of attack
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- Q5
Which of the following statements concerning TCAS is correct:
- ATCAS 2 provides avoidance instructions in the vertical and horizontal planes.
- BTCAS 2 cannot provide information on non-SSR equipped intruders.
- CTCAS 2 requires Mode S to be fitted to other aircraft.
- DTCAS 2 provides advice on which way to turn.
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Correct answer: B. TCAS 2 cannot provide information on non-SSR equipped intruders.
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- Q6
According to JAR OPS subpart K, when must the DFDR on a 12 seat turbo prop a/c begin recording?
- ASwitch on until switch off
- BFrom before the aircraft is capable of moving under its own power to after the a/c is no longer capable of moving under its own power
- CFrom lift off until the weight on wheels switch is made on landing
- DAt commencement of the taxi to turning off the runway
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Correct answer: B. From before the aircraft is capable of moving under its own power to after the a/c is no longer capable of moving under its own power
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- Q7
Where in the aircraft does JAR require the FDR to be fitted:
- AAt the back
- BAt the front
- CIn the wings
- DIn the undercarriage bay
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Correct answer: A. At the back
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- Q8
With reference to Traffic Collision Avoidance Systems. The difference between TCAS I and II is that:
- ATCAS II can provide Traffic Advisories and Resolution Advisories whilst TCAS I can only provide Traffic Advisories .
- BTCAS II can only be fitted to large aircraft which carry more than 30 passengers. Whilst TCAS I can be fitted to any aircraft.
- CTCAS I can be fitted to aircraft which carry transponders with Mode A only whilst TCAS II can only be fitted to aircraft whose transponders include either Mode C or Mode S.
- DTCAS II can only be fitted to aircraft which are equipped with EFIS
Show answer
Correct answer: A. TCAS II can provide Traffic Advisories and Resolution Advisories whilst TCAS I can only provide Traffic Advisories .
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- Q9
What is the EGPWS mode 3 audible alert?
- Adon't sink, don't sink” followed by “whoop, whoop, pull up” if the sink rate exceeds a certain value.
- Bdon't sink, don't sink” followed immediately by “whoop, whoop, pull up”
- C“don't sink, don't sink” continuously.
- D“Terrain, don't sink” continuously.
Show answer
Correct answer: C. “don't sink, don't sink” continuously.
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- Q10
Which of the following are modes of the GPWS? i excessive sink rate ii altitude loss after take-off or go-around iii excessive glideslope deviation iv high climb rate v flaps in the incorrect position vi high altitude descent vii stall
- Ai ii iii v
- Bii iii v vii
- Ci ii iii vii
- Diii iv v vi
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Correct answer: A. i ii iii v
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- Q11
An FDR fitted to an aircraft of over 5700kgs after Apr 98 must record for:
- A10 hours
- B25 hours
- C30 minutes
- D60 minutes
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Correct answer: B. 25 hours
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- Q12
The aural messages provided by TCAS II are:
- AThreat, Climb; Threat, Descend.
- BClimb left; Climb right; Descend left; Descend right
- CClimb; Descend; Increase climb; Increase Descent.
- DTurn left, Turn Right, Increase Turn, Decrease Turn
Show answer
Correct answer: C. Climb; Descend; Increase climb; Increase Descent.
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