Hisar-class offshore patrol vessel vs Turva

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APatrol & mine warfare vessels

Hisar-class offshore patrol vessel

Offshore patrol vessel Corvette (full armament configuration)

BPatrol & mine warfare vessels

Turva

Offshore patrol vessel

First system

Second system

At a glance

Side by side

Length comparisonOne shared metre scale

Hisar-class offshore patrol vesselLength

99.56 m

Length source ↗

TurvaLength

95.9 m

Length source ↗

Lengths retain their source configuration and measurement scope.

Hisar-class offshore patrol vessellarger figure on 1 of 3

Length+4%

Turvalarger figure on 2 of 3

Beam+21%
Draught

Measured figures

Head to head

11 of 40 rows sourced on both sides

99.56m

95.9m

Length+4%

All recorded figures & sources

99.56 m

Length

Single source

99.56 m (326 ft 8 in)^[source]

95.9 m

Length

Single source

Configuration

Details

Hisar-class offshore patrol vessel and Turva configuration
Specification	Hisar-class offshore patrol vessel	Turva
Complement	—	~30^[source]
Range	4.500 nmi (8.334 km; 5.179 mi)^[source]Source text · numeric interpretation needs review	—
Name	Hisar class^[source]	Turva^[source]
Builders	ASFAT^[source]	—
Planned	10^[source]	—

Type	Offshore patrol vessel Corvette (full armament configuration)^[source]	Offshore patrol vessel^[source]

Propulsion	CODELOD: 4 x Diesel 2 x Electric Motor Generators: 4 x Diesel Generator^[source]	Combined diesel-electric and diesel (CODLAD); one Rolls-Royce controllable-pitch propeller and two azimuth thrusters^[source]

Endurance	21 days^[source]	—

Boats & landing craft carried	2 x RHIB^[source]	Covered patrol boat Rigid-hulled inflatable boat Workboat^[source]

Aircraft carried	1 x Naval helicopter 1 x UAV^[source] Hangar and platform for: S-70B Seahawk ASW helicopter Unmanned aerial vehicles (UAV)^[source]	—

Sensors & processing systems	Sonar: METEKSAN YAKAMOS 2020 New Generation Mounted Sonar Radars: ASELSAN MAR-D 3D Search Radar ASELSAN 2 AKR-D Fire Control Radar Navigation/LPI Radar Systems: ASELSAN Piri – KATS (Infrared Search and Trace System) ASELSAN DENİZGÖZÜ OCTOPUS-S Electro-optical Search System TÜBİTAK YELKOVAN Radar Electronic Support System Combat Management System: HAVELSAN ADVENT SYS^[source]	Cassidian TRS-3D 3D radar^[source]

Armament	Full armament configuration : Guns: 1 x MKE 76 mm/62-caliber gun 1 x Aselsan GOKDENIZ CIWS 2 x UNIROBOTICS Targan 12.7 mm RCWS Vertical launcher systems: 8 x MiDLAS Vertical Launching System (VLS) (optional) 8 x HISAR-D RF air defence missiles Anti-ship missiles: 8 x Atmaca anti-ship missile Anti-submarine warfare: Roketsan ASW rocket launcher system^[source]	2 × Kongsberg Protector RWS^[source]

Country of origin	Turkey^[source]	—

Used by	Turkish Navy^[source]Hisar class · TCG Koçhisar · commissioned 20 June 2026 and listed Active; class operator Turkish Navy Romanian Navy^[source]Hisar class · Contraamiral Roman (ex-TCG Akhisar) · commissioned 20 June 2026 and listed Active; class operator Romanian Navy	—

Used by

Turkish Navy^[source]Hisar class · TCG Koçhisar · commissioned 20 June 2026 and listed Active; class operator Turkish Navy

Romanian Navy^[source]Hisar class · Contraamiral Roman (ex-TCG Akhisar) · commissioned 20 June 2026 and listed Active; class operator Romanian Navy

—

Namesake	—	Finnish for "protection" or "security"^[source]

Owner	—	Finnish Border Guard^[source]

Ordered	—	21 December 2011^[source]

Builder	—	STX Finland Rauma shipyard , Finland^[source]

Cost	—	€ 97 million (US$135 million; FY 2011)^[source]

Yard number	—	1385^[source]

Laid down	—	25 February 2013^[source]

Launched	—	2 August 2013^[source]

Sponsored by	—	Päivi Räsänen^[source]

Completed	—	9 May 2014^[source]

Identification	—	IMO number : 9650377 Call sign : OJEM MMSI number : 230018000^[source]

Status	—	In service^[source]

Tonnage	—	660 DWT (design draught) 1,800 DWT (maximum)^[source]

Ice class	—	E4 (equivalent to 1A Super )^[source]

Aviation facilities	—	Helipad^[source]

Role	—	Finnish offshore patrol vessel^[source]

National origin	—	Finland^[source]

Source measurement	—	Turva is 95.9 metres (314 ft 8 in) long and 17.4 metres (57 ft 1 in) wide, making her the largest vessel ever commissioned by the Finnish Border Guard as well as longer than any existing or past vessel commissioned by the Finnish Navy . Fully laden, she draws 5 metres (16 ft) of water. At design draught, the vessel has a deadweight tonnage of 660 tonnes while her maximum deadweight is around 1,800 tonnes. Her complement will be approximately 30.^[source]Turva · Design / General characteristics; only the objects and conditions stated in this passage Turva is also equipped for rescue operations, firefighting, emergency towing and demanding environmental duties. She can perform mechanical recovery of spilled oil with built-in recovery systems in open water, either by using conventional outriggers and booms in calm seas or a stiff steel boom and a special wave-dampening channel in heavy weather. The oil recovery system has been manufactured by the Finnish company Mobimar which has also provided equipment for other Finnish patrol vessels. Furthermore, the vessel is also fitted for but not with equipment capable of recovering oil in ice conditions. The internal storage tanks are dimensioned for 1,000 cubic metres (35,000 cu ft) of recovered oil and 200 cubic metres (7,100 cu ft) of recovered chemicals. The 350 square metres (3,800 sq ft) open aft deck is covered with tropical hardwood , Iroko . For diving support and oil recovery tasks, Turva carries a small workboat.^[source]Turva · Design / General characteristics; only the objects and conditions stated in this passage In the aft engine room, a 12-cylinder Wärtsilä 12V34DF producing 6,400 kW (8,600 hp) is mechanically coupled to a controllable-pitch propeller .^[source]Turva · Design / Power and propulsion; only the objects and conditions stated in this passage In the forward engine room, two 6-cylinder 6L34DF generating sets with an output of 3,000 kW (4,000 hp) each produce power for two electrically driven Rolls-Royce Azipull AZP120CP Z-drive azimuth thrusters .^[source]Turva · Design / Power and propulsion; only the objects and conditions stated in this passage The service speed of the vessel will be 18 knots (33 km/h; 21 mph) and despite her bulbous bow she will also be capable of breaking level ice up to 80 centimetres (31 in) in thickness. With a bollard pull of approximately 100 tonnes, Turva is capable of towing even the largest tankers regularly sailing in the Baltic Sea.^[source]Turva · Design / Power and propulsion; only the objects and conditions stated in this passage

Source measurement

—

Turva is 95.9 metres (314 ft 8 in) long and 17.4 metres (57 ft 1 in) wide, making her the largest vessel ever commissioned by the Finnish Border Guard as well as longer than any existing or past vessel commissioned by the Finnish Navy . Fully laden, she draws 5 metres (16 ft) of water. At design draught, the vessel has a deadweight tonnage of 660 tonnes while her maximum deadweight is around 1,800 tonnes. Her complement will be approximately 30.^[source]Turva · Design / General characteristics; only the objects and conditions stated in this passage

Turva is also equipped for rescue operations, firefighting, emergency towing and demanding environmental duties. She can perform mechanical recovery of spilled oil with built-in recovery systems in open water, either by using conventional outriggers and booms in calm seas or a stiff steel boom and a special wave-dampening channel in heavy weather. The oil recovery system has been manufactured by the Finnish company Mobimar which has also provided equipment for other Finnish patrol vessels. Furthermore, the vessel is also fitted for but not with equipment capable of recovering oil in ice conditions. The internal storage tanks are dimensioned for 1,000 cubic metres (35,000 cu ft) of recovered oil and 200 cubic metres (7,100 cu ft) of recovered chemicals. The 350 square metres (3,800 sq ft) open aft deck is covered with tropical hardwood , Iroko . For diving support and oil recovery tasks, Turva carries a small workboat.^[source]Turva · Design / General characteristics; only the objects and conditions stated in this passage

In the aft engine room, a 12-cylinder Wärtsilä 12V34DF producing 6,400 kW (8,600 hp) is mechanically coupled to a controllable-pitch propeller .^[source]Turva · Design / Power and propulsion; only the objects and conditions stated in this passage

In the forward engine room, two 6-cylinder 6L34DF generating sets with an output of 3,000 kW (4,000 hp) each produce power for two electrically driven Rolls-Royce Azipull AZP120CP Z-drive azimuth thrusters .^[source]Turva · Design / Power and propulsion; only the objects and conditions stated in this passage

The service speed of the vessel will be 18 knots (33 km/h; 21 mph) and despite her bulbous bow she will also be capable of breaking level ice up to 80 centimetres (31 in) in thickness. With a bollard pull of approximately 100 tonnes, Turva is capable of towing even the largest tankers regularly sailing in the Baltic Sea.^[source]Turva · Design / Power and propulsion; only the objects and conditions stated in this passage