The Dart Kitten Mk.I was a low wing, single seater, powered by a 27 hp Ava 4a-00 engine.

An improved Mk.II version, G-AEXT, was powered by a 36 hp Aeronca JAP J-99. Awarded an Authorisation to Fly in April 1937. The Kitten II passed through many owners and survived the war. G-AEXT crashed at Willindale in November 1964, killing the pilot. It was rebuilt and restored to the register in 1976.

Kitten II G-AEXT – 27 August 1939