The forward zone trim air muffler reduces the amount of air distribution noise that is sent to the forward air conditioning zone.

Line Maintenance should be understood as any maintenance that is carried out before flight to ensure that the aircraft is fit for the intended flight.

For ease of reading and cross reference, illustrations, figures and tables should be presented in a vertical layout, if practical.

KNOTS are used throughout to avoid the confusion between knots (KTS) and miles per hour (MPH) in performance charts and tables.

For the Calibration step， the coupler asks the Transceiver for another brief bust of tune power.

The neutral shift sensor is on the right side of the elevator feel and centering unit.

When the autopilot disengages, an aural warning is heard from the aural warning module.

The alphanumeric display shows only voltage and frequency when you select one of these pushbutton.

The hot battery bus usually receives power from the main battery or main battery charger.

The system design makes sure that two AC power sources can not supply power to the same transfer bus at the same time.

The windshield outlets are forward of the captain and first officer glareshield.