Castle-class patrol vessel vs T Craft-class patrol vessel

APatrol & mine warfare vessels

Castle-class patrol vessel

Offshore patrol vessel

BPatrol & mine warfare vessels

T Craft-class patrol vessel

First system

Second system

At a glance

Side by side

Length comparisonOne shared metre scale

Castle-class patrol vesseloverall

75 m

Length source ↗

T Craft-class patrol vesselLength

22 m

Length source ↗

Lengths retain their source configuration and measurement scope.

Castle-class patrol vessellarger figure on 2 of 3

Beam+64%
Draught+281%

T Craft-class patrol vessellarger figure on 1 of 3

Speed+59%

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

Measured figures

Head to head

12 of 28 rows sourced on both sides

75moverall

22m

Length

All recorded figures & sources

75 m

overall

Single source

246 ft (75 m) (overall)^[source]

22 m

Length

Single source

22 m (72.2 ft)^[source]

11.51m

Beam+64%

All recorded figures & sources

11.51 m

Beam

Single source

37 ft 9 in (11.51 m)^[source]

7 m

Beam

Single source

7 m (23.0 ft)^[source]

3.43m

900mm

Draught+281%

All recorded figures & sources

3.43 m

Draught

Single source

11 ft 3 in (3.43 m)^[source]

0.9 m

Draught

Single source

0.9 m (3.0 ft)^[source]

1,570 tons full load

37t

Displacement

All recorded figures & sources

1,570 tons full load^[source]

37 tonnes

Displacement

Single source

36 long tons (37 t)^[source]

—

16Complement including one officer

Crew

All recorded figures & sources

16 people

Complement including one officer

Single source

16 personnel^[source]Complement including one officer

—

Complement

All recorded figures & sources

40 people

Complement

Single source

40^[source]

37km/hMaximum; Speed

59km/hMaximum; Speed

Speed+59%

All recorded figures & sources

37 km/h

Maximum; Speed

Single source

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

59 km/h

Maximum; Speed

Single source

32 knots (59 km/h; 37 mph)^[source]

19,000kmat 10 knots (19 km/h)

980kmat 22 kn (41 km/h; 25 mph)

RangeScopes differ

All recorded figures & sources

19,000 km

at 10 knots (19 km/h)

Single source

10,000 nautical miles (19,000 km) at 10 knots (19 km/h)^[source]

980 km

at 22 kn (41 km/h; 25 mph)

Single source

530 nmi (980 km; 610 mi) at 22 kn (41 km/h; 25 mph)^[source]

2 shafts, 2 Paxman diesels, 2,820 hp (2,100 kW)

1,500kWInstalled power

Power

All recorded figures & sources

2 shafts, 2 Paxman diesels, 2,820 hp (2,100 kW)^[source]

1,500 kW

Installed power

Single source

2,000 hp (1,500 kW)^[source]

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

Configuration

Details

Castle-class patrol vessel and T Craft-class patrol vessel configuration
Specification	Castle-class patrol vessel	T Craft-class patrol vessel
Builders	Hall, Russell & Company^[source]	—
Operators	Royal Navy (retired) Bangladesh Navy^[source]	South African Navy (3) Israeli Navy (3)^[source]
Preceded by	Island class^[source]	—
Succeeded by	River class^[source]	—
Built	1979–1981^[source]	—
In commission	1982–Present^[source]	—
Planned	6^[source]	—
Completed	2^[source]	6^[source]
Type	Offshore patrol vessel^[source]	—
Sensors & processing systems	Type 1006 radar Simrad RU sidescan sonar (Bangladesh Navy installed Type 360 Radar as the main radar)^[source]	Surface search radar : Racal-Decca I-band^[source]
Armament	Royal Navy: 1 × Bofors 40 mm gun Mark III, replaced by 1 × 30 mm gun Bangladesh Navy: 1 x 76 mm (3.0 in) main gun 4 × C-704 AShM Small caliber guns or autocannons^[source]	1 × 12.7 mm (0.50 in) Browning machine gun^[source]
Aviation facilities	Flight deck capable of supporting a Sea King helicopter^[source]	—
Country of origin	United Kingdom^[source]	South Africa^[source]T Craft class · explicitly stated class construction country, not operating-country inference
Name	—	T Craft class^[source]
Active	—	6^[source]
Class & type	—	Patrol boat^[source]
Propulsion	—	2 ADE 444 Tl 12V diesels; 2 Hamilton water-jets^[source]
Capacity	—	16 (1 officer)^[source]
Manufacturer	—	T Craft International^[source]T Craft class · three source ships explicitly built by T CraftInternational T Craft International^[source]T Craft class South African vessels P1552/P1553/P1554 built by T Craft International; no sibling equipment or later successor company inference

FORCETALLY

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Castle-class patrol vessel

T Craft-class patrol vessel

Builders

Hall, Russell & Company^[source]

—

Operators

Royal Navy (retired) Bangladesh Navy^[source]

South African Navy (3) Israeli Navy (3)^[source]

Preceded by

Island class^[source]

—

Succeeded by

River class^[source]

—

Built

1979–1981^[source]

—

In commission

1982–Present^[source]

—

Planned

6^[source]

—

Completed

2^[source]

6^[source]

Type

Offshore patrol vessel^[source]

—

Sensors & processing systems

Type 1006 radar Simrad RU sidescan sonar (Bangladesh Navy installed Type 360 Radar as the main radar)^[source]

Surface search radar : Racal-Decca I-band^[source]

Armament

Royal Navy: 1 × Bofors 40 mm gun Mark III, replaced by 1 × 30 mm gun Bangladesh Navy: 1 x 76 mm (3.0 in) main gun 4 × C-704 AShM Small caliber guns or autocannons^[source]

1 × 12.7 mm (0.50 in) Browning machine gun^[source]

Aviation facilities

Flight deck capable of supporting a Sea King helicopter^[source]

—

Country of origin

United Kingdom^[source]

South Africa^[source]T Craft class · explicitly stated class construction country, not operating-country inference

Name

—

T Craft class^[source]

Active

—

6^[source]

Class & type

—

Patrol boat^[source]

Propulsion

—

2 ADE 444 Tl 12V diesels; 2 Hamilton water-jets^[source]

Capacity

—

16 (1 officer)^[source]

Manufacturer

—

T Craft International^[source]T Craft class · three source ships explicitly built by T CraftInternational

T Craft International^[source]T Craft class South African vessels P1552/P1553/P1554 built by T Craft International; no sibling equipment or later successor company inference