Engines

Question 1

What is the minimum warm-up time for operating the engines?
Minimum cool-down time for shutting down the engines?

Answer 1

Warm-up: Engines must be operated for a minimum of 3 minutes prior to takeoff.(ASA).
Cool-down: Engines must be operated at or near idle (taxi thrust acceptable) for a minimum of 3 minutes prior to shutdown.(ASA)

Question 2

What is the maximum thrust time limit for takeoff?

Answer 2

Maximum Time Limit for Takeoff Thrust is 5 Minutes.

Question 3

When must the Engine Start switches be in the CONT position? In the
FLT position?

Answer 3

ENGINE START switches must be in the CONT position for:
- Takeoff
-Landing
-Anti-Ice operation
-Operation in hail, sleet or moderate to heavy rain.

Engine Start switches must be in the FLT position for:
-Operation in severe turbulence.

Question 4

What is the minimum engine oil temperature before setting takeoff
thrust on the 737 Max?

Answer 4

Minimum Oil Starting Temperature -40C

Minimum oil Temperature before setting takeoff thrust 31C (MAX).