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

AM.I.C.R4

Risk management

Aerodynamic effect of CG that is forward or aft of CG limits.

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. 6-20
Chapter 6: Aircraft Weight & Balance › Example Loading of an Airplane › Example Forward & Aft Adverse-Loaded CG Checks
cannot be left empty. If the fuel tank is located forward of the aft CG limit, minimum fuel will be shown. Example Forward & Aft Adverse-Loaded CG Checks Using the stick airplane in Figure ... example, adverse forward and aft CG checks are calculated. Some of the data for the airplane is shown in Figure 6-36, such as seat, baggage, and fuel information. The CG limits are shown, with arrows pointing…
Helicopter Flying Handbook p. 6-3
Chapter 6: Weight and Balance › Balance › CG Aft of Aft Limit
CG Aft of Aft Limit Without proper ballast in the cockpit, exceeding the aft CG may occur when: • A lightweight pilot takes off solo with a full load of fuel located aft of the rotor mast. • A lightweight…
Aircraft Weight and Balance Handbook p. 7-7
Chapter 7: Center of Gravity Change After a Repair or Alteration › Adverse-Load CG Checks › Aft Adverse-Load CG Check
EWCG of the aircraft after the alteration and all occupants and items of the load behind the aft CG limit of 46.0. The pilot is in front of this limit but is essential for flight and must be included ... ahead of the aft limit of +46.0. [Figure 7-10] With only the pilot in front of the aft CG limit and maximum of all items behind the aft limit, the CG is at +45.8 inches, which…