Template:Infobox aircraft engine/doc

Usage
This template does not function alone; it must follow Infobox aircraft begin

This template provides general data on types of aircraft engines, but not technical specifications.

Infobox Aircraft Begin and this template must be enclosed by  and

Parameters

 * type :The type of engine, eg: Air-cooled rotary, High-bypass turbofan
 * national origin : The country where the engine was first manufactured. Use the main nation (ie. UK), not constituent country (England); don't use "EU". List collaborative programs of only 2 or 3 nations; for more than 3, use "Multi-national"
 * manufacturer : The firm which manufactured the engine.
 * designer : The person or persons who designed the engine. Only appropriate for single designers, not project leaders
 * first run : The date that the engine was first run. If this hasn't happened, skip this field - don't speculate.
 * major applications : aircraft (or other vehicles) that were powered by this engine
 * produced : Years in production (eg. 1970-1999) if still in active use but no longer built -->
 * number built
 * program cost : Total program cost
 * unit cost : Incremental or flyaway cost for military or retail price for commercial aircraft
 * developed from : The engine which formed the basis for this engine
 * variants with their own articles : Variants OF this engine