DECOMPRESSION
Decompression depressurization, loss of air pressure inside the aircraft.
DE-ENERGIZE
Discharged, turn off or disconnect from work.
DEFUEL
DRAINING, a method for pumping fuel from tanks using aircraft fuel pumps or suctioning fuel.
DEFUELING VALVE
VALVE pumping valve in the fuel system to pump the fuel from the tanks and for pumping fuel between tanks.
DELETE
Striking out, remove or cancel.
DELTA
DELTA, sign change or difference.
DEMODULATION
Demodulation process of data recovery (Modulation) voltage from the modulated carrier voltage.
DEMODULATOR
Demodulator device or electrical circuit that conducts the demodulation process.
DEPRESSURIZATION VALVE
VALVE depressurization valve in the hydraulic system to reduce the air pressure in the hydraulic reservoir to the value of the ambient pressure.
DESCENT
Decline phase of flight where the height is reduced.