WEIGHT AND BALANCE - 1st Module Flashcards
(44 cards)
Measurement of the amount of force of gravity on an object.
WEIGHT
Aircraft weight including unusable fuel, operating fluids and engine.
STANDARD EMPTY WEIGHT
Standard empty weight + optional equipment
BASIC EMPTY
Basic empty weight + equipment required in flight including crew
DRY OPERATING WEIGHT
Dry operating weight + Fuel
OPERATING WEIGHT
Payload
TRAFFIC LOAD
Weight of the flight crew, and usable fuel as well as any passengers, baggage and cargo.
USEFUL LOAD
Weight of an aircraft in any given time
GROSS WEIGHT
Maximum weight allowed with no fuel in the wings
MAXIMUM ZERO FUEL WEIGHT (MZFW)
Maximum allowable weight of aircraft before engine start.
MAXIMUM WEIGHT RAMP
Maximum weight allowed for ground maneuvers and procedures.
MAXIMUM TAXI WEIGHT
Maximum weight approved for take-off roll.
MAXIMUM TAKE OFF WEIGHT
Maximum weight approved for touchdown.
MAXIMUM LANDING WEIGHT
The point at which an aircraft would balance when it is suspended in the air.
CENTER OF GRAVITY (CG)
The specified limits in forward and aft points that must be located during flight
CENTER OF GRAVITY (CG) LIMITS
The distance between the forward and aft CG limits indicated on pertinent aircraft specifications
CENTER OF GRAVITY (CG) RANGE
The point along the chord line of an aircraft wing or airfoil at which the force of lift is assumed to be concentrated.
CENTER OF LIFT (CL)
The horizontal distance from the reference datum to the center of gravity of an item. A plus sign (+) is used if the arm is measured aft of the datum and the minus sign (-) if measured forward of the datum.
ARM (MOMENT ARM)
The imaginary vertical plane or line from which horizontal distances are measured for aircraft weight and balance purposes.
DATUM (REFERENCE DATUM)
The product of an item multiplied by its arm and is express in pound – inches (in-lb).
MOMENT
The maximum weight the floor can withstand per square inch or square foot.
FLOOR LOAD LIMIT
The average distance from the leading edge to the trailing edge of the wing.
MEAN aerodynamic chord (MAC)
A location in the aircraft that is identified by a number designating its distance in inches from the datum.
STATION
EFFECTS OF WEIGHT (1st three)
- cause structural damage on the aircraft
- reduces fuel efficiency/overconsumption of fuel
- rate and angle of climb is reduced
