HMAS Assail (P 89) was an of the Royal Australian Navy (RAN).
Design and construction
The Attack class was ordered in 1964 to operate in Australian waters as patrol boats (based on lessons learned through using the s on patrols of Borneo during the Indonesia-Malaysia Confrontation, and to replace a variety of old patrol, search-and-rescue, and general-purpose craft. Propulsion machinery consisted of two 16-cylinder Paxman YJCM diesel engines, which supplied to the two propellers.
Assail was built by Evans Deakin and Company at Brisbane, Queensland, launched on 18 November 1967, and commissioned on 12 July 1968. The patrol boat was listed in Jane's Fighting Ships as still operational in 2011.