AIRCRAFT WEIGHT AND BALANCE

Question 1

The _____ is an imaginary vertical plane from which all horizontal measurements are taken for balance purposes, with the aircraft in level flight attitude.

Answer 1

datum

Question 2

The _____ is the horizontal distance that a part of the aircraft or a piece of equipment is located from the datum.

Answer 2

arm

Question 3

The _____ indicates an item is located aft of the datum

Answer 3

positive sign

Question 4

the _______ indicates an item is located forward of the datum

Answer 4

negative sign

Question 5

A ________ is the product of a weight multiplied by its arm.

Answer 5

moment

Question 6

The moment for a piece of equipment is in fact a _______, measured in units of inch- pounds (in-lbs)

Answer 6

torque value

Question 7

The _______ of an aircraft is a point about which the nose heavy and tail heavy moments are exactly equal in magnitude.

Answer 7

center of gravity (CG)

Question 8

The _________ is the maximum authorized weight of the aircraft and its contents, and is indicated in the Aircraft Specifications or Type Certificate Data Sheet.

Answer 8

maximum weight

Question 9

The _______ of an aircraft includes all operating equipment that has a fixed location and is actually installed in the aircraft.

Answer 9

empty weight

Question 10

Possible sources of weight and balance data are as follows:

Answer 10

· Aircraft Specifications
· Aircraft Operating Limitations
· Aircraft Flight Manual
· Aircraft Weight and Balance Report
· Aircraft Type Certificate Data Sheet

Question 11

The weight and balance computation system, commonly called the _____, is an excellent and rapid method for determining the CG location for various loading arrangements.

Answer 11

loading graph and CG envelope system

Question 12

The graphs become a permanent part of the aircraft records, and are typically found in the ________

Answer 12

Airplane Flight Manual or Pilot’s Operating Handbook (AFM/POH)

Question 13

One difference that may be found with large airplanes is the incorporation of ______ in the aircraft’s landing gear. With this type of system, the airplane is capable of weighing itself as it sits on the tarmac. The load cells are built into the axles of the landing gear, or the landing gear strut, and they work in the same manner as load cells used with jacks.

Answer 13

electronic load cells