AVN 2100 Weight and Balance Flashcards
Standard Empty Weight:
Measured weight of an airplane including:
Unusable fuel
Non-drainable fluids
Standard, permanenty installed equipment
Full oil IF specified, otherwise non-drainable oil.
Basic Empty Weight:
Standard empty weight plus optional equipment.
Neither Standard not Basic Empty Weights include any of the following:
Pilot, passengers, cargo, usable fuel, full oil (usually), or recently installed equipment.
Gross Weight:
The weight of an aircraft and its contents at any particular time.
Gross Weight includes:
Basic Empty Weight, fuel, oil, pilot, passengers, and cargo.
Payload:
Weight of the passengers, cargo, and baggage.
Useful Load:
Payload, usable fuel, and flight crew.
Maximum Ramp Weight:
The maximum weight prior to engine start approved for grounds maneuvering.
Takeoff Weight:
Ramp Weight minus fuel burned during engine start, taxi, and run-up prior to releasing brakes for takeoff roll.
Landing Weight:
Takeoff Weight minus fuel burned enroute.
Reference Datum:
Imaginary vertical plane from which all horizontal distances are measured for balance purposes.
Station:
A specific area/point located horizontally from the reference datum along the fuselage, usually measured in inches.
A location where weight is or may be loaded in the aircraft.
Who designates the location of the reference point, and where is it stated?
The aircraft manufacturer designated the Reference Datum Point and states it in the aircraft’s weight and balance documents.
Arm:
Horizontal distance from the Reference Datum to the CG of an item.
Moment:
Measurement of the tendency of the weight to cause rotation at the point of balance.
Moment = Arm * Weight
