[1] All were built by Australian Defence Industries at Garden Island.

They primarily operated on Eastern Suburbs services and were on occasion used on the Manly run.

In December 2021 SuperCat Saint Mary Mackillop was retired from passenger service, after a few River-class ferries entered service from October 2021.

On the 28th of April 2024 SuperCat 4 was retired and left for Newcastle after being sold.

Saint Mary Mackillop was sold to a party boat company in Geelong and renamed Hygeia IV where it now serves as a charter party boat.Susie O'Neill was sold to ZigZag Whitsundays in November 2024 and renamed Super Flyer where it now serves as a day tour from Airlie Beach to Whitehaven Beach.