Worksheets6315 - Chapter E - Landing Gear
Total questions: 11
Worksheet time: 4mins
Merlin
What colour lights are illuminated when the aircraft is safe on the ground?
What colour lights are illuminated when the aircraft is airborne with undercarriage safely up?
Green, No Lights
No Lights, Green
Green, Red
Before work commences on a deck lock system - True or False!
The Deck-Lock pressure and return hoses must be connected
No3 Hydraulic system must be pressurised
True
False
landing gear circuit diagram:
The up relays will only be in the locked position when the undercarriage is [ A ]
The undercarriage can only be retracted if the nose wheel is in the [ B ]
position.
up and locked, centred and locked
up and locked, centred and unlocked
down and locked, centred and locked
Fixed Wing Aircraft
Being manoeuvred by the pilot to a parking spot on the dispersal area.
This can be achieved by utilizing a steering system in which the [ A ] can be controlled [ B ] during taxi. This is normally achieved through a [ C ] or wheel in the cockpit.
A - nose wheel
B - electrically
C - smaller tiller
A - nose wheel
B - hydraulically
C - smaller tiller
A - front wheel
B - hydraulically
C - large tiller
The undercarriage control lever can be locked in the DOWN position.
How is this indicated to the ground crew on a Merlin Mk.2?
Lights either side of the cockpit.
Lights either side of the main wheel.
Lights either side of the nose wheel.
Written Question!
Briefly explain how doors and fairings on fixed wing aircraft are sequenced to open and close at appropriate times during the retraction or extension cycle?
The doors and fairings must follow a sequence for opening and closing. They use electrical switches and hydraulic valves to ensure that the next part in the sequence can only take place once the previous part is complete.
The doors and fairings must be manually opened and closed. The Pilot uses an electrical switch to ensure that it takes place.
The undercarriage control lever can be locked in the DOWN position.
What does this prevent?
Lowering the undercarriage
Retraction of the undercarriage
Before work commences on a deck lock system are these statements True or False!
The Deck-lock accumulator has been discharged
The relevant electrical supplies must be isolated by pulling and gagging the DECK LOCK circuit breaker
True
False
If the aircraft descends below [ A ] feet (rad alt) with the landing gear retracted the WCA will display the [ B ] caption and an audio warning will be heard by the pilot.
What type will the caption be? [ C ]
A - 20
B - Gear Down
C - Advisory
A - 40
B - Gear Up
C - Warning
A - 30
B - Landing Gear
C - Caution
Deck-lock System
Aircraft launched with the deck-lock engaged. If the collective lever is raised above [ A ]° with the deck-lock engaged a CWP, [ B ] warning will illuminate with an associated [ C ] and a maintenance event will be logged
A - +10
B - DECK-LOCK
C - Audio warning
A - +5
B - DECK-LOCK
C - Audio warning
A - +5
B - DECK-LOCK
C - Attention Getter
Merlin
What colour lights are illuminated when the aircraft is airborne with undercarriage safely up?
What colour lights are illuminated when the undercarriage is in transition?
No Lights, Red
White Light, Red
No lights, Green
