Bay-class patrol boat vs Macaé-class patrol vessel

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

Macaé-class patrol vessel

Offshore patrol vessel

Credit

Marinha do Brasil · CC BY-SA 2.0 · Resized · CC BY-SA 2.0 · 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 ↗

Macaé-class patrol vesselLength

55.6 m

Length source ↗

Lengths retain their source configuration and measurement scope.

Bay-class patrol boatlarger figure on 0 of 4

None

Macaé-class patrol vessellarger figure on 4 of 4

Length+46%
Beam+29%
Draught+4%
Speed+5%

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

Measured figures

Head to head

17 of 25 rows sourced on both sides

38.2m

55.6m

Length+46%

All recorded figures & sources

38.2 m

Length

Single source

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

55.6 m

Length

Single source

55.6 m (182 ft 5 in)^[source]

7.2m

9.3m

Beam+29%

All recorded figures & sources

7.2 m

Beam

Single source

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

9.3 m

Beam

Single source

9.3 m (30 ft 6 in)^[source]

2.4m

2.5m

Draught+4%

All recorded figures & sources

2.4 m

Draught

Single source

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

2.5 m

Draught

Single source

2.5 m (8 ft 2 in)^[source]

12crew

Complement

All recorded figures & sources

12 people

crew

Single source

12 crew^[source]

35 people

Complement

Single source

35^[source]

37km/hMaximum; Speed

39km/hMaximum; Speed

Speed+5%

All recorded figures & sources

37 km/h

Maximum; Speed

Single source

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

39 km/h

Maximum; Speed

Single source

21 knots (39 km/h; 24 mph)^[source]

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

4,600kmat 15 knots (28 km/h; 17 mph)

RangeScopes differ

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]

4,600 km

at 15 knots (28 km/h; 17 mph)

Single source

2,500 nmi (4,600 km; 2,900 mi) at 15 knots (28 km/h; 17 mph)^[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 Macaé-class patrol vessel configuration
Specification	Bay-class patrol boat	Macaé-class patrol vessel
Displacement	134 tons^[source]	500 tons^[source]
Name	Bay class^[source]	Macaé class^[source]
Builders	Austal^[source]	AMRJ , INACE^[source]
Operators	Australian Border Force Marine Unit Sri Lanka Navy Malaysian Maritime Enforcement Agency^[source]	Brazilian Navy^[source]
In service	1999–present^[source]	—
Completed	8^[source]	4^[source]
Active	2^[source]	3^[source]
Retired	6^[source]	—
Type	Patrol boat^[source]	Offshore patrol vessel^[source]
Propulsion	2 × MTU 16V 2000 M70 diesel engines 1 VosperThornycroft bow thruster^[source]	2 × MTU 16V 4000 M90^[source]
Boats & landing craft carried	2 × Wiltrading Pursuit 640 vessels (USLC-2C Survey)^[source]	1 × RHIBs^[source]
Sensors & processing systems	Radar: Surface search: Racal Decca; E/F and I bands Sonar: Wesmar SS 390E dipping sonar^[source]	Sperry Marine VisionMaster FT Integrated Bridge Navigation System FT250 X band and S band radars^[source]
Armament	1 × 7.62 mm general purpose machine gun^[source]	1 × Bofors L/70 40 mm (fitted on Macaé and Macau ) 1 × Bofors Mk4 40 mm (fitted on Maracanã , Mangaratiba and Miramar ) 2 × Oerlikon GAM-BO1 20 mm^[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	—
Preceded by	—	Grajaú class^[source]
Succeeded by	—	Navio Patrulha de 500 Toneladas^[source]
In commission	—	2009–present^[source]
Building	—	1^[source]
Notes	—	Sources:^[source]

FORCETALLY

Loading the evidence…

Preparing your view.

Bay-class patrol boat

Macaé-class patrol vessel

Displacement

134 tons^[source]

500 tons^[source]

Name

Bay class^[source]

Macaé class^[source]

Builders

Austal^[source]

AMRJ , INACE^[source]

Operators

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

Brazilian Navy^[source]

In service

1999–present^[source]

—

Completed

Active

Retired

—

Type

Patrol boat^[source]

Offshore patrol vessel^[source]

Propulsion

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

2 × MTU 16V 4000 M90^[source]

Boats & landing craft carried

2 × Wiltrading Pursuit 640 vessels (USLC-2C Survey)^[source]

1 × RHIBs^[source]

Sensors & processing systems

Radar: Surface search: Racal Decca; E/F and I bands Sonar: Wesmar SS 390E dipping sonar^[source]

Sperry Marine VisionMaster FT Integrated Bridge Navigation System FT250 X band and S band radars^[source]

Armament

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

1 × Bofors L/70 40 mm (fitted on Macaé and Macau ) 1 × Bofors Mk4 40 mm (fitted on Maracanã , Mangaratiba and Miramar ) 2 × Oerlikon GAM-BO1 20 mm^[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

—

Preceded by

—

Grajaú class^[source]

Succeeded by

—

Navio Patrulha de 500 Toneladas^[source]

In commission

—

2009–present^[source]

Building

—

1^[source]

Notes

—

Sources:^[source]