Landing Gear

Question 1

How is the gear normally operated?

Answer 1

HYD pressure from the right system is routed through the selector valve and to the gear actuators. The same HYD pressure releases the main and nose gear up locks. On retraction R HYD pressure operates the actuators and the up locks are mechanically latch. HYD system pressure will hold the gear up with the up lock as a backup in the event of a HYD malfunction. Gear has over-center lock in down position.

Question 2

Landing gear extended speed

Answer 2

195 kts

Question 3

Max tire speeds

Answer 3

182 nose

195 main

Question 4

How would the crew be alerted to a gear malfunction?

Answer 4

White light in gear handle, CAS message, flight control synoptic, aural warning when aircraft in landing config

Question 5

What is the purpose of the LOCK RELEASE button next to the gear handle?

Answer 5

Overrides the WOW logic to the gear handle solenoid. Allows gear handle to be retracted with WOW failure.

Question 6

What is the source of pressure for emergency gear extension?

Answer 6

Nitrogen bottle charged to 3,000 psi at 70ºF

Question 7

How many degrees of nose wheel steering?

Answer 7

3 pedals and 60 with tiller either side of center.

Question 8

Limitations for towing?

Answer 8

Max of 100º either side of center. Warning horn will sound at 80º. CAS at 93º.

Question 9

What does the “NWS Oversteer” CAS message indicate?

Answer 9

Nose wheel has been turned > 93º. MX required.

Question 10

Max EMER gear extend speed

Answer 10

175 kts