performance lesson 2

Means entirely supported by aerodynamic forces

Means the ratio of a specified load to the total weight of the aircraft. The specified load is expressed in terms of any of the following: aerodynamic forces, inertia forces, or ground or water reactions

Means the crankshaft rotational speed, engine manifold pressure and any other parameters recommended in the engine manuals as appropriate for cruising operation

Means the power and/or thrust identified in the performance data for use when a power-unit has failed or been shut down during take-off, baulked landing or prior to a discontinued approach and limited in use for a continuous period

An altitude up to which it has been demonstrated safely and reliably that it is possible to restart an engine in flight.

The appropriate average monthly temperature, plus half its deviation from ISA.

Also called the indicated air temperature. The static air temperature, plus adiabatic compression (ram) rise, as indicated on the total air temperature Indicator.

The ambient temperature without any ram effect.

Also called static air temperature (SAT) and corrected outside air temperature

The maximum take-off weight limited by performance considerations only.

The maximum take-off weight, taking account of both the Maximum TOW and the Performance Limited TOW.