AEQ became ZK-WKA and is now in Tonga as A3-CIA.
There was another Queenair thread here a couple of years ago.
Port Hutt Fisheries in had ZK-PHA ex ZK-TAL and ZK-WKA as above.
Kiwi West had ZK-TAK that crashed and prior to that it was with Tyrell Aviation in Palmerston North