Landing Gear System 1-35

Question 1

How many actuators are there to operate the main gear?

Answer 1

4, one for each main gear wheel and one for each inboard gear door

Question 2

Is there a DOWNLOCK OVERRIDE button in both cockpits?

Answer 2

No only in the front

Question 3

When does the gear handle and red indicator illuminate?

Answer 3

Whenever the nose gear is in transit or main gear doors are not closed, or any time the PCL is approaching IDLE with the gear handle UP, regardless of airspeed or position of main gear. The gear handle illuminates when any red indicator is illuminated.

Question 4

What does the downlock override button, located in the front cockpit, do?

Answer 4

can be used to override the downlock solenoid which
prevents movement of the landing gear selector handle
when the right weight-on-wheels switch is energized

Question 5

If the gear handle is difficult to raise to the UP position, do what?

Answer 5

Return the gear handle to the

DOWN position. Do not use the downlock override button to raise the gear handle

Question 6

With a failure of the weight-on-wheels micro-switch, use of the downlock override button will allow the gear handle to be raised and retract the landing gear

Answer 6

False. The gear will not retract

Question 7

The process is reversed for gear retraction. A normal gear

extension/retraction sequence takes approximately __________.

Answer 7

6 seconds

Question 8

When extending the EMER LDG GR, what lights are illuminated?

Answer 8

Cockpit indications will be a red light in the gear handle, a green nose gear indicator, and red and green indicators for each main gear

Question 9

The aural landing gear position warning is a 250 Hz tone

repeated _____ times per second

Answer 9

5

Question 10

When will you hear the The aural landing gear position warning tone?

Answer 10

1. Gear handle not DOWN (regardless of gear indications),
   PCL below a mid-range position (approximately 87% N1), airspeed below 120 KIAS, and flaps UP or TAKEOFF.
2. All gear not indicating down and locked with flaps LDG (regardless of gear door position, power setting, or airspeed).
3. Weight on wheels with the gear handle not DOWN.

Question 11

Will the gear warning horn automatically silence when the gear handle is lowered with flaps UP or TAKEOFF, regardless of gear position?

Answer 11

Yes. Checking actual gear down indication is essential to confirming proper safe gear configuration.

Question 12

You have to press the GEAR WARNING SILENCE button, after passing 120 knots, in order to silence the warning tone.

Answer 12

False. Pressing the WARNING

SILENCE button will also prevent the warning horn from activating when pressed above 120 knots