Attack-class patrol boat

HMAS Advance, now a museum ship at the Australian National Maritime Museum
Class overview
Name	Attack class
Builders	Evans Deakin and Company Walkers Limited
Operators	Royal Australian Navy  Indonesian Navy  Papua New Guinea Maritime Element
Preceded by	Bathurst-class corvette
Succeeded by	Fremantle class
Cost	A$800,000
Completed	20
Lost	1
Retired	9
Preserved	2
General characteristics
Type	Patrol boat
Displacement	100 tons standard 146 tons full load
Length	107.5 ft (32.8 m)
Beam	20 ft (6.1 m)
Draught	7.3 ft (2.2 m) at full load
Propulsion	2 × 16-cylinder Paxman YJCM diesel engines 2 shafts
Speed	24 knots (44 km/h; 28 mph)
Range	1,200 nmi (2,200 km; 1,400 mi) at 13 knots (24 km/h; 15 mph)
Complement	3 officers, 16 sailors
Armament	1 × 40 mm Bofors gun 2 × .50 calibre machine guns
Notes	Taken from:[1]

The Attack-class patrol boats were small coastal defence vessels built for the Royal Australian Navy (RAN) and operated between 1967 and at least 1991. Following their Australian service, twelve ships were transferred to Papua New Guinea and Indonesia.