700/900 Landing Gear Flashcards Preview

SkyWest CRJ Upgrade 2019 > 700/900 Landing Gear > Flashcards

Flashcards in 700/900 Landing Gear Deck (12):
1

How is the nose gear Normally actuated? How is the nose gear Alternately lowered?

Mechanically
Hyd System 2

2

Does the main landing gear have shimmy dampers?

YES

3

What is the max retraction of the nose gear? max extension?

Retraction 200 KIAS
Extension 220 KIAS

4

When should the anti-skid test be completed?

ON power up of ASCU, then continually monitored

5

Are Michelin tires approved?

YES and they will look different than the other tires, but they are approved

6

When is the nose gear open on the 7/9? Are there any hazards associated with the nose gear door?

Normally open when nose gear is down, no hazards with the nose doors w/ HYD 3

7

How is the nose gear actuated? Is there a mechanical unlock?

Mechanically actuated and no there is no unlock

8

What is the alternate gear extension method for the nose gear?

HYD 2 pressure unlocks the overcenter mechanism
Then gear free falls to down and locked

9

How do the tires on the 7/9 stop spinning?

Spin down assembly, 3 ply straps stop nose wheel rotation

10

What is the tire GS max for the 7? The 9?

182 KTS
195 KTS

11

How many pairs of wheel brakes do the 7 have? 9?
How to assure wheel brakes aren’t inner changed between the 7/9?

4 pairs
5 pairs
Quick disconnect mechanisms prevents mixing of brakes

12

What is the skid plate for? Where is it?

It is a tail bumper strut, wear pad, and tail strike indicator
Bottom of the fuselage/ tailcone