B200 Major Appliances

Question 1

What systems are served by engine bleed air? Which are regulated and which are un-regulated?

Answer 1

pneumatic
* boots
* rudder boost / rudder boost sensing
* cabin door seal
* outflow valve < suction >
* brake de-ice
* hydraulic reservoir

environmental
* heating
* cooling
* pressurization

Question 2

What systems are served by vacuum air on the B200? How is this vacuum created?

Answer 2

• created by venturi (vacuum ejector)
• outflow valve and boot retraction are served by it

Question 3

What triggers deployment of the passenger oxygen masks?

Answer 3

Cabin above 12,500’
(ALT WARN light comes)

Question 4

How can the pilot manually deploy the passenger oxygen masks?

Answer 4

Pulling the lever to the right of the pedestal.

Question 5

How would you determine the oxygen system useful duration?

Answer 5

By looking at the O2 gauge in PSI then reference the POH / AFM for useful duration depending on number of activated masks.

QRH page 3-5 / 3-6

Question 6

What are the criteria that must be met for auto-feather to function?

Answer 6

1. autofeather armed
2. Tq on failed engine below 400 ft-lb
3. Tq levers are forward beyond 90% N1 switches

*note: system disarms after one feather

Question 7

Under what conditions may brake de-ice be used?

Answer 7

• not above 15°C
• not with OEI
• not more than 10 min. inflight