Bay-class patrol boat vs Harry DeWolf-class offshore patrol vessel

FORCETALLY

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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

Harry DeWolf-class offshore patrol vessel — licensed reference photograph

BPatrol & mine warfare vessels

Harry DeWolf-class offshore patrol vessel

Arctic/offshore patrol vessel

Credit

U.S. Coast Guard · Public domain · Resized · Public domain · Source ↗ · Modified

First system

Second system

At a glance

Side by side

Length comparisonOne shared metre scale

Bay-class patrol boatLength

38.2 m

Length source ↗

Harry DeWolf-class offshore patrol vesselLength

103.6 m

Length source ↗

Lengths retain their source configuration and measurement scope.

Bay-class patrol boatlarger figure on 0 of 3

Measured figures

Head to head

17 of 32 rows sourced on both sides

38.2m

104m

Length+171%

All recorded figures & sources

38.2 m

Length

Single source

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

103.6 m

Length

Single source

Configuration

Details

Bay-class patrol boat and Harry DeWolf-class offshore patrol vessel configuration
Specification	Bay-class patrol boat	Harry DeWolf-class offshore patrol vessel
Name	Bay class^[source]	Harry DeWolf class^[source]
Builders	Austal^[source]	Halifax Shipyards^[source]
Operators	Australian Border Force Marine Unit Sri Lanka Navy Malaysian Maritime Enforcement Agency^[source]	Royal Canadian Navy Canadian Coast Guard (planned)^[source]
In service	1999–present^[source]

Completed	8^[source]	6^[source]

Active	2^[source]	5^[source]

Retired	6^[source]	—

Type	Patrol boat^[source]	Arctic/offshore patrol vessel^[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]	2 × 8.5 m (28 ft) multi-role rescue boats by Rosborough Boats 12 m (39 ft) landing craft by ABCO Industries^[source]

Sensors & processing systems	Radar: Surface search: Racal Decca; E/F and I bands Sonar: Wesmar SS 390E dipping sonar^[source]	Combat Management System: Lockheed Martin Canada CMS 330 Tactical data Link: SATCOM ( Link 16 ) Terma SCANTER 6002 surveillance radar system Multichannel VHF/HF Radio Thales BlueGate Identification Friend or Foe (IFF) system OSI Maritime Systems Integrated Bridge Navigational System Kelvin Hughes SharpEye X and S-band navigation radars BlueNaute inertial navigation system SAGEM Damage/Machinery Control Systems^[source]

Armament	1 × 7.62 mm general purpose machine gun^[source]	1 × BAE Mk 38 25 mm (0.98 in) gun 2 × M2 Browning machine gun^[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	Canada^[source]

Preceded by	—	None^[source]

Cost	—	CA$3.5 billion (initial design and build) CA$2.3 billion (for construction of six vessels); CA$4.3 billion (2018 estimate); CA$4.98 billion (2023 estimate for first six Navy ships) + CA$2.1 billion (2024 estimate for two Coast Guard variants)^[source]

Built	—	2016–present^[source]

In commission	—	2021–present^[source]

Planned	—	8 (6 for RCN and 2 for CCG)^[source]

Building	—	2 (for CCG)^[source]

Ice class	—	Polar Class 5^[source]

Endurance	—	120 days^[source]

Aircraft carried	—	Sikorsky CH-148 Cyclone or Bell CH-146 Griffon CU-176 Gargoyle UAV^[source]

Aviation facilities	—	Onboard hangar and flight deck Vehicle bay; can hold pickup trucks , ATVs and snowmobiles Quarterdeck; space for multiple modular payload options such as standard shipping containers^[source]