30 Questions
What is the purpose of navigation lights on an aircraft?
To indicate the position of the aircraft to other nearby aircraft
Where are the navigation lights usually located on an aircraft?
On each wing tip and at the tail of the aircraft
What color is the left-hand side (port) navigation light on an aircraft?
Red
In which document are the requirements for aircraft external lights to prevent mid-air collisions specified?
ICAO Chicago Convention
What is the purpose of anti-collision lights on an aircraft?
To alert other aircraft of the presence of this aircraft in flight
What is the name for the system used in large commercial aircraft that has two bulbs placed in parallel and illuminated simultaneously for navigation lights?
Multi-Bulb Navigation Lights System
What is the purpose of the anti-collision light on an aircraft?
Indicate the presence of the aircraft to other pilots and ground personnel
What must be operative before dispatch for night operations in a multi-bulb wingtip and tail setup?
One stationary red wingtip bulb, one stationary green wingtip bulb, and one white taillight at each wingtip position
Which type of anti-collision beacon uses a small motor and gear train to drive a reflector around a stationary bulb?
Rotary reflector type
How many flashes per minute should an anti-collision light typically produce?
30-50
What angle should the anti-collision light be visible within from all directions?
30 degrees above and below the horizontal plane
In what configurations can an aircraft have anti-collision beacons?
On top of the vertical stabiliser or on top of the fuselage and under the wings
What is the primary purpose of flight compartment lighting in an aircraft?
To illuminate controls and instruments uniformly
Which type of lighting is typically used in modern civil aircraft for flood or background lighting?
White lighting
What is the purpose of integral instrument panel lighting?
To illuminate flight deck instruments
In glass cockpits, what is the main function of integral instrument panel lighting?
Control digital display light intensity and standby analogue instrumentation illumination
How is the pilot in command able to control the instrument lighting in a two-pilot aircraft?
By controlling their own instrument lighting independently
What form does integral lighting take inside the instrument according to the text?
Several small globes placed around the dial in a plastic ring
How does the landing light extend in an aircraft with a system that has more than one pre-set position?
By selecting different positions on the landing light switch, each corresponding to a pre-set position with a micro-switch.
What prevents damage to the motor and gear train when extending or retracting the landing light manually?
Micro-switches that limit full extension and retraction.
In what scenario would an aircraft use landing lights as taxi lights?
When selecting the taxi position on the landing light switch.
What is the purpose of a spring-loaded centre off position switch marked 'extend-off-retract'?
To allow manual control over stopping the light at any angle.
How does the extension system ensure that the landing light remains parallel with the aircraft’s flightpath when installed in a flap fairing?
By utilizing micro-switches and cams at each flap setting to extend or retract the light automatically.
What action stops the actuator motor when using landing lights with only one pre-set position?
Selecting the landing light switch to 'on,' triggering a cam to depress a micro-switch.
What must be ensured when parking the aircraft to prevent the emergency lights from illuminating?
Turning off the emergency lights switch
What happens if the emergency light battery packs are exhausted?
The aircraft becomes unserviceable
For some aircraft types, what is required to reset the emergency light system after turning off the aircraft power?
Restoring aircraft power and switching the emergency light switch to off
What is a requirement for night operations regarding passenger cabin aisle and exit lights?
Individual aisle lights must be operational
What type of exit lights are mentioned as additional to the fixed lights over the exits?
Portable emergency exit lights with battery packs
What action can cause the emergency lights to illuminate if not done before turning off aircraft electrical power?
Leaving the emergency light switch in arm position
Test your knowledge on aircraft external lights used to reduce mid-air collision risks as per ICAO regulations. Identify navigation lights, anti-collision lights, landing and taxi lights, and more.
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