DGCA Air Navigation: Automatic Flight & AFCS Questions
134 exam-style Automatic Flight & AFCS 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
The flight director command bars on the display shown are commanding
- Afly up and left
- Bfly down and right
- Cfly down and left
- Dfly up and right
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Correct answer: A. fly up and left
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- Q2
Where are the flight director modes displayed?
- APFD
- BND
- CEICAM
- DFD control panel
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Correct answer: A. PFD
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- Q3
The autopilot is in heading select mode, and the aircraft is flying on a heading of 270°. If you change heading to 360°, the flight director command bars will;
- Aroll command bar goes full deflection right and then doesn’t move until the aircraft heading is within 30° of the selected heading
- Broll command bar moves to right and centres when AFDS angle of bank to intercept has been achieved
- Cthe heading command bar will disappear and the heading hold will disengage
- Droll command bar moves to the right and then progressively returns to the centre as the deviation from the selected heading reduces
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Correct answer: B. roll command bar moves to right and centres when AFDS angle of bank to intercept has been achieved
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- Q4
What are the basic functions of an autopilot? 1. Maintain pitch attitude 2. Maintain wings level 3. Altitude hold 4. Heading hold 5. Speed hold
- Aall 5
- B1 & 2
- C1, 2 & 3
- D1, 2, 3, & 4
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Correct answer: B. 1 & 2
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- Q5
At 50 feet agl during an autoland, what happens to the glideslope signal?
- Acontinues to be actioned
- Bis disconnected
- Cis factored for range
- Dis used to flare the aircraft
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Correct answer: B. is disconnected
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- Q6
What is the wavelength of an ILS signal
- ACentimetric
- BHectometric
- CMetric
- DDecimetric
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Correct answer: C. Metric
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- Q7
A Yaw damper indicator will indicate to the pilot:
- Ayaw damper movement of rudder position
- Brudder position
- Crudder position due to pedal displacement
- Dyaw damper movement on ground only
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Correct answer: A. yaw damper movement of rudder position
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- Q8
The Autothrottle is set to climb at a constant mach number. If the temperature does not change, what happens to the CAS?
- AIncreases
- BDecreases
- CIncreases, but only if the outside air temperature decreases
- DStays the same
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Correct answer: B. Decreases
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- Q9
Autothrottle engaged mode can be checked by the pilot, using:
- Aprimary flight display
- Bthrust control computer
- Cposition of throttles
- Dnavigation display
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Correct answer: A. primary flight display
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- Q10
The interception of the localiser beam by the autopilot is:
- Aon a constant magnetic course
- Ba mode using an interception verses range computation
- Ca mode using an interception verses radio deviation law
- Don a constant heading
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Correct answer: C. a mode using an interception verses radio deviation law
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- Q11
Engagement of the autopilot is not possible when: 1. electrical supply is faulty 2. the turn control knob is not set to centre off 3. there is a synchronisation fault 4. there is a fault in the attitude reference unit
- A1, 2, 3, & 4
- B1, & 4 only
- C1, 3, & 4
- D2 & 4 only
Show answer
Correct answer: A. 1, 2, 3, & 4
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- Q12
On which instrument are the flight director bars normally present?
- APrimary EICAS
- BADI
- CND
- DEHSI
Show answer
Correct answer: B. ADI
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