Douglas Sleeper Transport, the initial variant, 24 passengers during day and fitted out with 16 sleeper accommodation in the cabin for night.

PD-14 is the initial variant for MS-21-300.

The initial variant, developed in 1943.

The 787-3 and 787-8 were to be the initial variants, with the 787-9 entering service in 2010.

The initial variant of the Nova was heavily armed with plasma cannons, backed up by a large number of Starfuries.

The initial variant was the Yak-24 - Army transport helicopter, that could carry up to 30 airborne troops, 18 stretchers or 3,000 kg (6,614 lb) of cargo.

Its G-limits were increased from +7Gs in initial variants to +8.5Gs in the latest variants.

Three initial variants were proposed by McDonnell Douglas in 1993:

The initial variant, which was just known as the "La-17", was air-launched.

This was the initial variant.