Additional examples are adjusted to the entries in an automated way - we cannot guarantee that they are correct.
An improved variant with bigger wings was the 16.
A further improved variant with upgraded armor, design, and armament.
II, an improved variant with minor differences, followed with a production run of 30.
An order was placed for 200 of the improved variant, again for use as an air ambulance but they were never built.
It was an improved variant of the T-80B, with seven road wheels.
Improved variant fitted with increased fuel capacity and modified landing gear.
Improved variant with more powerful engines, not completed.
Improved variant with new wing profile and modified geometry.
In 1939 the gun was replaced in production by an improved variant, M1931/37.
An improved variant of the gun was later, late 1970s, tested on the experimental tank Object 785.
The Mark 8 was succeeded by an improved variant, the Mark 11 nuclear bomb.
Proposed improved variant; cancelled before any aircraft built.
Improved variant with a pilot extraction system.
Improved variant with biplane gap modification, 23 built.
Improved variant with better brakes, new engine cowling and better ventilation, 56 built.
Single-seat fighter (an improved variant of the F.1), delivered in 1962.
It first flew in 1968 and an improved variant was introduced from 1978 as the 414A Chancellor.
In 1945 E. A. Guggenheim gave a further improved variant of the equation.
Strengthened and improved variant with a 13.20 metre wingspan, 6.19 m length, certified in 1952.
Improved variant with four-bladed propellers and other improvements including an extra cabin window, 36 built.
In 1954 the design of a further improved variant, the LD-40 started again, with the tail changed to a conventional one.
P-7 proposed new-build and improved variant as a P-3 Orion replacement later canceled.
Improved variant with balanced elevators and balanced ailerons on the upper wings.
Last 30 were improved variant H-19a, with a water radiator placed under engine, instead of above engine.
After tests, an improved variant, the Junak 2 was flown on July 12, 1949.