 They were constructed in a purpose-built facility and then carried by crane a short distance south to a small man-made launching basin off the Hunter River.Work on a third hull commenced before the project's cancellation, but was never completed and remained at the rear of the facility until the early 2000s.Although completed and commissioned in November 1986 ("Rushcutter") and October 1987 ("Shoalwater"), the two minehunters were not formally accepted into naval service until June 1994.