- fore-and-aft flat twin
- A flat-twin motorcycle engine mounted with the cylinders positioned in-line with the frame
Dictionary of automotive terms. 2015.
Dictionary of automotive terms. 2015.
List of accidents and incidents involving military aircraft, pre-1950 — This is a list of notable accidents and incidents involving military aircraft grouped by the year in which the accident or incident occurred. For more exhaustive lists, see the [http://www.baaa acro.com/ Aircraft Crash Record Office] or the [http … Wikipedia
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