This collection includes helicopters and missiles built at Filton.
As a result, at least half of all modern helicopters built in the West have them in one form or another.
The British would receive two of the first eight helicopters built.
They'd put five passengers in a helicopter built for many more.
We could easily have lost three valuable members of our team as well as one of the most expensive helicopters ever built.
Airplane-ammo-grenades are used in machine-cannons mounted on either warplanes or gunships (helicopters built for war).
The contrivance was a helicopter, built for flight through the air.
The Flettner Gigant was an experimental helicopter built in Germany during the early 1930s.
It is a safe and capable aircraft that will replace helicopters built more than 30 years ago using midcentury technology.
The Sikorsky H-53 is a family of military helicopters built by Sikorsky Aircraft.