Some of the aircraft are the only examples of the type in airworthy condition.

Today, many B-25s are kept in airworthy condition by air museums and collectors.

It last flew in 1989 but is kept in airworthy condition.

A small number of An-14 are still in airworthy condition.

The museum has more than 20 vintage planes and helicopters on display, most of which are in airworthy condition.

It was restored to airworthy condition and flew once, in 1992.

Maintained in airworthy condition and flown regularly at air displays.

Only some dozen planes were captured by the Germans in airworthy condition.

All three aircraft are kept in fully airworthy condition.

All aircraft are kept in airworthy condition by donations, air show and members' fees.