Aviation Mechanic - General, Airframe, and Powerplant › I. General › Task C. Weight and Balance

AM.I.C.K1

Knowledge

Weight and balance terminology.

Study note

Get a short, cited explanation of this element written from the FAA handbooks: the core idea, the numbers that matter, common test traps, and a quick self-check.

From the FAA library

Aviation Maintenance Technician Handbook - General p. 6-2
Chapter 6: Aircraft Weight & Balance › Weight & Balance Terminology › Datum
Weight & Balance Terminology Datum The datum is an imaginary vertical plane from which all horizontal measurements are taken for balance purposes, with the aircraft in level flight attitude. If the datum is viewed on a drawing of an aircraft…
Aviation Maintenance Technician Handbook - General p. 6-3
Chapter 6: Aircraft Weight & Balance › Weight & Balance Terminology › Maximum Weight
Maximum Weight The maximum weight is the maximum authorized weight of the…
Aviation Maintenance Technician Handbook - General p. 6-4
Chapter 6: Aircraft Weight & Balance › Weight & Balance Terminology › Empty Weight Center of Gravity (EWCG)
Empty Weight Center of Gravity (EWCG) The EWCG for an aircraft is…