Eurocopter AS 350 83 Flight Manual page 222

I ) COMPLEMENTARY FLIGHT MANUAL
SECTION 6.1
.~ENERAL-=~~~ ~CAnON
1 WEIGHT -STANDARD DEFINITIONS
1.1 E~tv Weicht (EW)
This corresponds to the sum of the permanent assemblies and equipment:
-The vehicle and its power plant.
-Equipment common to all missions.
-Lubricants and hydraulic fluids.
-Unusable fuel.
EW then, is constant for a given aircraft.
.1.2 EQuipped Emotv Weicht (EEW)
This is the sum of :
-Empty weight (EW)
-Specific operational or mission equipment.
EEW (OEW) varies according to the proposed mission.
1.3 Operatina emotv weicht (OEW)
This is the sum of :
-Equipped empty weight (EEW)
-Crew
1.4 All-up Weicht (AUW)
This is the sum of :
-Operating empty weight (OEW)
-Commercial load (Payload or no paying load)
-Usable fuel
The useful load includes the commercial load and the usable fuel.
.1.5 Maximum Weicht
Weight is limited on takeoff and landing. Refer to Limitations
(Section 2).
.
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