Definition
The actual center of gravity location of an aircraft as it is loaded for a specific flight, including all passengers, cargo, fuel, and equipment. The operational CG must fall within the forward and aft CG limits published in the aircraft's weight and balance documentation for the loading to be legal and safe.
Plain English
The exact balance point of the airplane the way you have actually loaded it for today's flight. It changes every time you change what or who is on board, and it has to stay inside the allowable range set by the manufacturer.
Context Anchor
Seen in weight-and-balance calculations, loading charts, and preflight planning before deciding whether the aircraft is safe to fly.
Derivation
From 'operational' (relating to actual operation or use) and 'CG' (center of gravity). The word 'operational' here distinguishes the real, in-use balance point from theoretical or empty-aircraft figures. It's the CG you are actually operating with today.
Why Pilots Care
The operational CG must remain inside the approved envelope for the aircraft to stay stable and controllable as fuel burns off during flight.
Analogy
Think of balancing a loaded wheelbarrow. Move a heavy bag forward or backward, and the balance changes. An aircraft’s Operational Cg changes the same way when fuel, passengers, or baggage are added or moved.
Intuition Check
Do not read operational as meaning only a procedure or rule. Here, operational means the aircraft’s real loaded condition when it is being used.
Example Sentence 1
After loading the baggage and checking fuel, the pilot calculated the operational CG and confirmed it fell within the forward and aft limits.
Example Sentence 2
Fuel burn on a long cross-country flight can move the operational CG aft, so the pilot checked the envelope at both takeoff and landing weights.