KIAS
Knots Indicated Airspeed, speed shown on the airspeed indicator.
Vne
Never-Exceed Airspeed
BHP
Brake horsepower, actual power output of the engine.
MCP
Maximum Continuous Power
MAP
Manifold Pressure, absolute pressure, in inches of mercury, in the engine intake manifold.
TOGW
Takeoff Gross Weight
OAT
Outside Air Temperature
CAT
Carburetor Air Temperature
GPH
Gallons Per Hour