DV 20 E AFM General
Doc. No. 4.01.25-E Rev. 2 22-Mar-2022 Page 1 - 11
Unusable fuel: The quantity of fuel remaining in the tank which cannot be used for flight.
Useful load: The difference between take-off mass and empty mass.
(e) Engine
EMS: Engine Management System
ECU: Engine Control Unit
RPM: Revolutions per minute (rotational speed of the propeller)
MAT: Manifold air temperature
(f) Designation of the Circuit Breakers on the Instrument Panel
ICS Intercom System
COM1 COM Radio No. 1
GPS/NAV1 Global Positioning System and NAV Receiver No. 1
COM2 COM Radio No. 2
XPDR Transponder
AH Artificial Horizon
AV MASTER Avionic Master
FLAPS Flap System
TRIM Trim system
FUEL QTY/AMP Fuel quantity indicator, Ammeter
EMU Engine Montoring Unit
LANDING Landing Light
TAXI/MAP/ACL Taxi-, Map-, Anti Collision Light
INST LT/ NAV LT Instrument-, Navigation (Position) Light
BATT Battery
GEN Generator