1043 PL12U prototype and demonstrator, VH-TRX/ VH-TRM/ ZK-TRN not delivered/ VH-TRM. 1144 PL12U, VH-TRX, VH-ETE to Thailand 7xx. 1145 PL12U, VH-ETG to Thailand 7xx. 1146 PL12U, VH-ETZ to Thailand 7xx.
G679 Used to rebuild ZK-CWU as T320 engine version. G680 Used to rebuild ZK-CWN as T320 engine version. G998 T300 version to be ZK-ERO but used to rebuild ZK-DVN.
G9100 Used to rebuild VH-MLJ (G357).
If anyone anywhere can send a list of the Thai PL12's with numbers that tie up with makers serial numbers (or Australian registrations) you will solve one of the great mysteries of Australian Agricultural Aviation.