ATA 32 Landing Gear

Question 1

How do we operate the nose gear ground lock?

Answer 1

Push the mechanism, pop it out and twist it 90 clockwise

Question 2

What do the three amber DOOR lights on the landing gear control panel indicate?

Answer 2

Indicate that the associated door remains open after landing gear has completed extension or retraction

Question 3

What do the three GREEN gear lights indicate?

Answer 3

Gear down and locked

Question 4

What is to be done when the LDG GEAR INOP caution light illuminates?

Answer 4

Illuminated when the gear is retracted and one door sequence valve has failed. (missmatch in door sequence)

Landing gear must not be extended by normal DWN selection. Use ALTERNATE EXTENTENSION

Question 5

What will happen when we operate the guarded L/G Down Select “INHIBIT” switch, adjacent to the L/G Alternate Release Door in the flight compartment ceiling?

Answer 5

Operation of the Inhibit Switch disconnects power from the Down
Solenoid in the Landing Gear Selector Valve

Question 6

What happens when we open the L/G Alternate Release Door?

Answer 6

When pulled open, landing gear hydraulic bypass valve is actuated
to connect landing gear hydraulic circuits to return (no pressure in
lines) and main landing gear release handle is exposed.

Question 7

When shall we use the “Downlock Verification Switch” underneath the L/G Alternate Extension Door in the flight compartment?

Answer 7

If the primary downlock verification is in doubt, an additional downlock verification system provides confirmation of downlock engagement.
The landing gear locked down condition is made by transmitting a
light through holes aligned in components of the downlock
mechanism. Downlock verifications are observable without leaving
the flight compartment

Question 8

What is the max nose wheel steering angle when operating the:

a) Steering control handle?
b) Pedals?

Answer 8

a) 60°

b) -100: 5°, -300: 7°

Question 9

What about steering dureing reverse taxiing?

Answer 9

No turns, taxiing limited to straught-back motion

Question 10

What do the “OUTBD ANTI SKID” caution tell us?

Answer 10

Malfunction of the inboard and outboard anti-skid control
circuits or loss of electrical power, is provided by INBD and OUTBD
ANTI-SKID caution lights

Test: 6 sec illumination on ground, 3 sec airborne (automatic test)

Question 11

What do the “PARKING BRAKE” caution light tell us?

Answer 11

Brake is engaged (by pulling the EMERG BRAKE lever

all the way back to the detented PARK position)