FORCETALLY
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At a glance
Measured figures
Length
Single source38.2 m (125 ft 4 in)[source]
Mk I
Single sourceConfiguration
| Specification | Bay-class patrol boat | Patrol Boat, River |
|---|---|---|
| Displacement | 134 tons[source] | 8.9 ton for Mk II[source] |
| Crew | — | Coxswain , Engineman , Gunner, Seaman, Patrol Officer, MP , ARVN Interpreter[source] |
| Power | — | 2 × 180 hp (130 kW) Detroit Diesel 6V53N engines each driving a Jacuzzi Brothers 14YJ water pump-jet with thrust buckets for reverse thrust .[source] |
| Name | Bay class[source] | PBR (Patrol Boat, River)[source] |
| Builders | Austal |
Mk II
Single source31 ft (9.4 m) (Mk I) 32 ft (9.8 m) (Mk II)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Uniflite, River City Machine Works[source] |
| Operators | Australian Border Force Marine Unit Sri Lanka Navy Malaysian Maritime Enforcement Agency[source] | See Operators[source] |
|---|
| In service | 1999–present[source] | 1966–2019[source] |
|---|
| Completed | 161 (Mark I) and 418 (Mark II) 6 (Mark II Replacements - RCMW)[source] |
|---|
| Active | 13[source] |
|---|
| Retired | — |
|---|
| Type | Patrol boat[source] | Riverine patrol boat[source] |
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| Propulsion | 2 × MTU 16V 2000 M70 diesel engines 1 VosperThornycroft bow thruster[source] | — |
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| Boats & landing craft carried | 2 × Wiltrading Pursuit 640 vessels (USLC-2C Survey)[source] | — |
|---|
| Sensors & processing systems | Radar: Surface search: Racal Decca; E/F and I bands Sonar: Wesmar SS 390E dipping sonar[source] | Raytheon 1900 radar unit[source] |
|---|
| Armament | 1 × 7.62 mm general purpose machine gun[source] | 1 × twin .50 caliber (12.7 mm) M2HB Browning machine guns or 1 × single (20 mm) Mk12 Colt 20 mm cannon (forward, in a rotating tub) 1 × single (81 mm) M252 mortar or 1 × single M2HB (rear) 1 or 2 × 7.62 mm M60 machine gun (s) (side-mounted) 1 × 40 mm Mk 18 grenade launcher (pintle mount)[source] |
|---|
| Country of origin | Australia[source]Bay-class patrol boat · origin explicitly stated in the linked current national-inventory row; no inference from operator or shipyard | — |
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| Preceded by | — | PTF boat[source] |
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| Succeeded by | — | Special Operations Craft – Riverine[source] |
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| Cost | — | $75,000 ($593,000 in 2018 dollars)[source] |
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| Built | — | Dec. 1965 – Sep. 1980, 1990[source] |
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| Lost | — | at least 19[source] |
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| Preserved | — | 27 non-operational 9 operational[source] |
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| Armor | — | Ceramic armor shields fitted to guns, bridge. Also crew-applied ballistic blankets to protect the coxswain in the control cockpit.[source] |
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| Reported operators | — |
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