The airflow passes turbine and depletes energy，in addition to the colder air bypassed the engine core, produces a force when exiting the nozzle that acts to propel the engine,and therefore the airplane, forward.

Gauges used to indicate lower pressures use a more flexible tube that uncoils and coils more readily.

After the ailerons go back to neutral, make sure that they are flush with the flaps.

The limit is applicable if the aircraft is on the landing gear or on jacks.

The bolt will be at the 2 o＇clock position when you look at the pump from the rear.

This document gives the different torque values and the conditions where they are applicable.

Fuel required includes the fuel used for engine start, taxi, takeoff, normal climb, descent and 45 minutes reserve.

Other procedures essential or pertinent to the operation of the airplane may be included in the Handbook.

The primary document containing the procedures for the continued airworthiness of an airplane is the airplane＇s maintenance manual.

If the aircraft is parked on a slope, make sure that the wheel chocks are in position.

Get a sample of fuel and do a test for water contamination.