The AESL CT/4 was as light trainer developed and manufactured in New Zealand. It was used by several air forces including the Royal Australian Air Force for initial pilot training and many still remain flying in private ownership.

Aero Engines Services (later Pacific Aerospace Corporation) acquired the rights to the Australian designed and made Victa Aircruiser in 1967 and subsequently manufactured 80 Airtourers in New Zealand in the 1970s.

The CT/4 was developed as a military trainer version which made its first flight on 23 February 1972.

Production was launched to meet orders from the Royal Thai Air Force and the CT/4 was then also produced for the RNZAF and the RAAF.

Between 1972 and 2008 155 were produced, most for military pilot initial training.

The CT/4 has become a popular light aircraft for private owners and many are now still being flown.

This model represents A19-040 flying with 1FTS, RAAF in 1989

Tasman Models 1/72 kit completed by Leigh Edmonds in February 2018.