Though intended for aviation use, it was not fitted to any aircraft.

This is the same problem - why the general, private aviation use only 1-2 engines usually.

The diesel engine is another engine design that has been examined for aviation use.

Starting in the 1930s attempts were made to produce a compression ignition Diesel engine for aviation use.

At the end of the war the airfield was deemed excess by the military and returned to the local government for civil aviation use.

Voice communication by radio became available for aviation use in 1917.

As such it is not advised for aviation use except in an emergency.

Their idea was to convert for aviation use one of the most reliable and robust motorcycle engine.

Early summer 1938: The airport was completed for civil aviation use.

Originally sold as an ultralight it was later produced for general aviation use.