There are 12 gliders and 2 single-engine aircraft based at this airport.

There is one single-engine aircraft based at this airport.

He loaded her luggage into the back compartment of a small single-engine aircraft.

There were then 7 single-engine aircraft based at this airport.

As of November 2012, there were two single-engine aircraft based at the field.

There are 15 single-engine aircraft based at this airport.

General aviation activities, typically of single-engine civilian aircraft, continued until the early 1970s.

In the early 1970s, the market was not yet ready for a turboprop-powered single-engine aircraft, and the company failed.

Who has ever heard of a single-engine aircraft being safer than a twin-engine one?

At that time there were seven single-engine aircraft based on the field.