AW 139 Landing Gear

Question 1

If the EMER LDG PRESS caution is lit:

Answer 1

a. Lower landing gear using normal procedure

Question 2

If landing gears fail to raise:

Answer 2

Cycle Landing Gear Control Lever UP and DOWN

Question 3

Maximun speed for landing gears extension is:

Answer 3

150 Kts

Question 4

If, after selecting landing gear normal extension, the three indicators light on the Landing Gear Control Panel show different status:

Answer 4

Check landing gear circuit breakers

Question 5

When Landing Gear Control Lever is selected UP:

Answer 5

Pressure is provided to P/R actuators first

Question 6

When the helicopter is on ground with the engine running following an emergency landing gears extension:

Answer 6

R/A and P/R actuators are de-pressurized

Question 7

In case of loss of electrical power with the landing gears retracted:

Answer 7

The landing gears fall by their own weight

Question 8

MLG and NLG actuators are:

Answer 8

Locked when landing gears are extended

Question 9

When Landing Gear Control Lever is selected UP:

Answer 9

The retraction procedure start only if NLG is locked in center position

Question 10

At the end of helicopter towing:

Answer 10

The nose wheel center lock must be manually engaged by rotating the center lock lever horizontally with the nose wheel aligned in the fore and aft position

Question 11

Before towing the helicopter it´s required:

Answer 11

The nose wheel center lock must be disengaged by selecting UNLOCK, on the push-button in the LGCP in the cockpit and then rotating the center lock lever to the vertical position

Question 12

Parking brake handle is reset by:

Answer 12

Rotate handle and push left pedal brake

Question 13

If the EMER DOWN operation has been carried out:

Answer 13

A manual reset function is requested to restore the normal extension

Question 14

When the amber legend UNLK on the Landing Gear Control Panel is lit:

Answer 14

Also a caution is displayed on the CAS message window for redundancy

Question 15

The safety pin solenoid in the Landing Gear Control Panel is de-energized when the weight on wheels condition is active:

Answer 15

To lock the lever in down position during the maintenance operation

Question 16

If NLG center lock pushbutton is pressed to LOCK but the locking pin is not engaged in the flange hole:

Answer 16

The UNLK amber light is flashing on the pushbutton

Question 17

When setting parking brake, pull and rotate parking handle and:

Answer 17

Push pedals brake until PARK BRK ON advisory appears

Question 18

If, after selecting landing gears normal extension , the three indicators light on the Landing
Gear Control Panel show different status:

Answer 18

Check landing gear circuit breakers

Question 19

Maximum speed for landing gears extension is:

Answer 19

150 Kts

Question 20

After landing gear emergency extension:

Answer 20

Land as soon as practicable

Question 21

If the EMER LDG PRESS caution is lit:

Answer 21

Lower landing gear using normal procedure

Question 22

When helicopter is on ground following a normal landing gears extension:

Answer 22

R/A and P/R actuators are de-pressurized

Question 23

When main landing gears are fully retracted:

Answer 23

R/A actuators are retracted, P/R actuators are extended

Question 24

What indication is shown on the Nose Landing Gear (NLG) center lock pushbutton if the button is pressed to LOCK, but the locking
pin is not engaged in the flange hole?

Answer 24

The UNLK amber light is flashing on the pushbutton

Question 25

What is the correct sequence of actions when setting the parking brake?

Answer 25

Pull and rotate the parking brake handle and push the brake pedals until the “PARK BRK ON” advisory appears

Question 26

When the helicopter is on the ground following a normal landing gear extension what is the condition of the actuators?

Answer 26

The Retraction Actuator (R/A) and Partial Retraction (P/R) actuators are de-pressurized

Question 27

What will happen in case of loss of electrical power with the landing gear retracted?

Answer 27

The landing gear falls by its own weight

Question 28

What will normally accompany the LANDING GEAR caution?

Answer 28

An Aural message