Finally, he never flies in a single-engine plane.

The single-engine plane nose-dived 30ft and broke up on impact.

I bought a four-seater, single-engine plane.

On the return trip, the single-engine plane disappeared and its passengers remained missing.

They read an article in the in-flight magazine about 'trikes' - light, single-engine planes with flexible wings like hang-gliders (microlights, by contrast, have fixed wings) - and both were transfixed.