|CT-4||qty 2||s/n 001 - 002|
|S/n 001 was retained as a demonstrator and then eventually sold to a NZ syndicate who still operate it today.
S/n 002 was the only single control CT-4 ever built. It was gifted to the King of Siam (Thailand).
|CT-4A||qty 61||s/n 003 - 063|
|S/n 003 - 026 sold to RTAF (many still operating today)
S/n 027 - 063 sold to RAAF (most on Australian civil register today. 3 in USA)
|CT-4B||qty 14||s/n 064 - 077|
|Not the same as a civil CT-4B model.
S/n 064 - 077 sold to Breco and never delivered. Converted to CT-4A model and sold to RAAF. S/n 065 now owned by PAC as ZK-PAC (prototype CT-4E).
|CT-4B||qty 19||s/n 078 - 096|
|S/n 078 -096 sold to RNZAF. Traded in on CT-4E models in mid 1990s. Converted by Aeromotive to civil CT-4B and most now operated by BAe Systems Australia.|
|CT-4B||qty 18||s/n 097 - 114|
|The only civil CT-4Bs ever produced.
S/n 097 - 108 sold to BAe/Ansett.
S/n 109- 114 sold to RTAF.
|CT-4E||qty 40||s/n 200 - 240|
S/n 200 - 212 sold to Aeromotive (leased to RNZAF)
|CT-4 Model Development|
|CT-4C - Allison 250 powered Turbine variant developed but not certified on loan RNZAF s/n 088, returned to RNZAF as CT-4B.
CT-4CR - Allison 250 powered turbine variant with retractable undercarriage.
CT-4D - Original RNZAF model designation. Later revived as a Textron Lycoming TIO-360 powered variant.