Air Chathams has filled a niche in the regional carrier market and they are quite visible at Auckland International airport. They certainly operate the widest variety of aircraft types, including the following:
SAAB SF340A, Metroliner and Convair 580 coming and going.
SAAB SF340A ZK-KRA ( c/n 340A-065).
Fairchild Metroliner SA 227AC ZK-CID3 (c/n AC692B).
and Convair 580 ZK-CIF2 (c/n 381).