Start Panel

Question 1

What are the steps for a normal engine start?

Answer 1

When the ENG START switch light is pressed, the:

• ISOL valve opens
• both engine bleed SOVs open
• associated start valve opens
• air turbine starter ATS engages
• both PACK valves close.

When the starter cut out occurs:
all valves return to their previously selected position

Question 2

During normal engine starts, what kind of protection does FADEC provide?

Answer 2

Hot and hung starts

Question 3

During a normal engine start, the starter should cut out at?

If it does not?

Answer 3

50% N2

Turn off manually

Question 4

Or a normal engine start, what is the starter limitation for attempts 1–2?

3–5?

Answer 4

90 seconds on 10 seconds off (1-2)

90 seconds on 5 minutes off (3-5)

Question 5

What is the EPC for a HOT START?

Answer 5

Idle cut off
motor until 120°C ITT
90 second limit

Question 6

What is the top altitude at which we can start an engine?

Answer 6

FL 210 top altitude for windmill start

Question 7

When are we required to select the CONT IGNITION?

When does it come on automatically?

Answer 7

Contaminated runways
moderate/severe turbulence moderate/severe rain and particulates.
Thunderstorms

Stick shaker, high angle of attack, stall