Bay-class patrol boat vs Special Operations Craft – Riverine

Bay-class patrol boat — licensed reference photograph

APatrol & mine warfare vessels

Bay-class patrol boat

Patrol boat

Credit

Ken Hodge · CC BY 2.0 · Resized · CC BY 2.0 · Source ↗ · Modified

BPatrol & mine warfare vessels

Special Operations Craft – Riverine

River boat

First system

Second system

At a glance

Side by side

Length comparisonOne shared metre scale

Bay-class patrol boatLength

38.2 m

Length source ↗

Special Operations Craft – RiverineLength

10 m

Length source ↗

Lengths retain their source configuration and measurement scope.

Bay-class patrol boatlarger figure on 2 of 3

Length+282%
Beam+142%

Special Operations Craft – Riverinelarger figure on 1 of 3

Speed+100%

Counts only measures both sources give with the same scope. A larger figure is not a better system.

Measured figures

Head to head

13 of 25 rows sourced on both sides

38.2m

10m

Length+282%

All recorded figures & sources

38.2 m

Length

Single source

38.2 m (125 ft 4 in)^[source]

10 m

Length

Single source

33 ft (10 m)^[source]

7.2m

2.97m

Beam+142%

All recorded figures & sources

7.2 m

Beam

Single source

7.2 m (23 ft 7 in)^[source]

2.97 m

Beam

Single source

2.97m^[source]

2.4m

610mmDraft

Draught

All recorded figures & sources

2.4 m

Draught

Single source

2.4 m (7 ft 10 in)^[source]

0.61 m

Draft

Single source

2 ft (0.61 m)^[source]

134 tons

9tmax loadout

Displacement

All recorded figures & sources

134 tons^[source]

7.3 tonnes

Empty

Single source

9.4 tonnes

max loadout

Single source

16,200 pounds (7,300 kg) (empty) 20,800 pounds (9,400 kg) (max loadout)^[source]

—

4crew (1 helmsman, 3 gunners)

Crew

All recorded figures & sources

4 people

crew (1 helmsman, 3 gunners)

Single source

4 crew (1 helmsman, 3 gunners)^[source]

12crew

—

Complement

All recorded figures & sources

12 people

crew

Single source

12 crew^[source]

37km/hMaximum; Speed

74km/hMaximum; Speed

Speed+100%

All recorded figures & sources

37 km/h

Maximum; Speed

Single source

20 knots (37 km/h; 23 mph)^[source]

74 km/h

Maximum; Speed

Single source

40 knots (74 km/h; 46 mph)^[source]

1,900kmat 20 knots (37 km/h; 23 mph)

232km

Range

All recorded figures & sources

1,900 km

at 20 knots (37 km/h; 23 mph)

Single source

1,000 nmi (1,900 km; 1,200 mi) at 20 knots (37 km/h; 23 mph)^[source]

232 km

Range

Single source

125 nautical miles (232 km; 144 mi)^[source]

Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.

Configuration

Details

Bay-class patrol boat and Special Operations Craft – Riverine configuration
Specification	Bay-class patrol boat	Special Operations Craft – Riverine
Power	—	2 × 440 hp Yanmar 6LY2M-STE diesel engines each driving a Hamilton HJ292 water pump-jet^[source]
Name	Bay class^[source]	SOC-R (Special Operations Craft Riverine)^[source]
Builders	Austal^[source]	United States Marine Inc.^[source]
Operators	Australian Border Force Marine Unit Sri Lanka Navy Malaysian Maritime Enforcement Agency^[source]	United States Navy , Ukrainian Navy , Ukrainian Air Assault Forces , Special Operations Forces (Ukraine) , Hungarian Defence Forces^[source]
In service	1999–present^[source]	—
Completed	8^[source]	—
Active	2^[source]	—
Retired	6^[source]	—
Type	Patrol boat^[source]	River boat^[source]
Propulsion	2 × MTU 16V 2000 M70 diesel engines 1 VosperThornycroft bow thruster^[source]	—
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]	Forward Looking Infra Red (FLIR) GPS navigation IFF (identification Friend or Foe) gear VHF/HF/UHF/FM Net & SATCOMM^[source]
Armament	1 × 7.62 mm general purpose machine gun^[source]	2 × GAU-17 miniguns (forward) 1 × M2HB .50 caliber (12.7 mm) machine gun (aft) 2 × M240B 7.62 mm light machine gun(s) (side-mounted) 2 × 40 mm Mk 19 grenade launcher^[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	United States^[source]Inventory Origin column; table 7, row 5, cell 3; revision 1374122399; retrieved 2026-09-30
Capacity	—	700 lbs cargo^[source]
Troops	—	8 SEALs^[source]
Armor	—	Ballistic protection (up to .7.62mm x 39mm ball) for the engines, helmsman and gunners^[source]

FORCETALLY

Loading the evidence…

Preparing your view.

Bay-class patrol boat

Special Operations Craft – Riverine

Power

—

2 × 440 hp Yanmar 6LY2M-STE diesel engines each driving a Hamilton HJ292 water pump-jet^[source]

Name

Bay class^[source]

SOC-R (Special Operations Craft Riverine)^[source]

Builders

Austal^[source]

United States Marine Inc.^[source]

Operators

Australian Border Force Marine Unit Sri Lanka Navy Malaysian Maritime Enforcement Agency^[source]

United States Navy , Ukrainian Navy , Ukrainian Air Assault Forces , Special Operations Forces (Ukraine) , Hungarian Defence Forces^[source]

In service

1999–present^[source]

—

Completed

8^[source]

—

Active

2^[source]

—

Retired

6^[source]

—

Type

Patrol boat^[source]

River boat^[source]

Propulsion

2 × MTU 16V 2000 M70 diesel engines 1 VosperThornycroft bow thruster^[source]

—

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]

Forward Looking Infra Red (FLIR) GPS navigation IFF (identification Friend or Foe) gear VHF/HF/UHF/FM Net & SATCOMM^[source]

Armament

1 × 7.62 mm general purpose machine gun^[source]

2 × GAU-17 miniguns (forward) 1 × M2HB .50 caliber (12.7 mm) machine gun (aft) 2 × M240B 7.62 mm light machine gun(s) (side-mounted) 2 × 40 mm Mk 19 grenade launcher^[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

United States^[source]Inventory Origin column; table 7, row 5, cell 3; revision 1374122399; retrieved 2026-09-30

Capacity

—

700 lbs cargo^[source]

Troops

—

8 SEALs^[source]

Armor

—

Ballistic protection (up to .7.62mm x 39mm ball) for the engines, helmsman and gunners^[source]