Brazilian research ship Ary Rongel vs Gepard-class frigate

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AWarships

Brazilian research ship Ary Rongel

Research ship

Gepard-class frigate — licensed reference photograph

BWarships

Gepard-class frigate

Frigate

Credit

Vissarion · Public domain · Resized · Public domain · Source ↗ · Modified

First system

Second system

At a glance

Side by side

Length comparisonOne shared metre scale

Brazilian research ship Ary RongelLength

75.3 m

Length source ↗

Gepard-class frigateApprox Gepard 3.9 batch II

≈ 102.4 m

Length source ↗

Lengths retain their source configuration and measurement scope.

Brazilian research ship Ary Rongellarger figure on 0 of 2

Measured figures

Head to head

11 of 42 rows sourced on both sides

75.3m

≈ 102mApprox Gepard 3.9 batch II

Length

All recorded figures & sources

75.3 m

Length

Single source

75.3 m (247 ft 1 in)^[source]

≈ 102.4 m

Approx Gepard 3.9 batch II

Single source

Configuration

Details

Brazilian research ship Ary Rongel and Gepard-class frigate configuration
Specification	Brazilian research ship Ary Rongel	Gepard-class frigate
Name	Polar Queen^[source]	Gepard class (Project 1166.1)^[source]
Builder	Georg Eide's Sønner^[source]	—
Laid down	27 September 1980^[source]	—
Launched	22 January 1981^[source]	—
Completed	March 1981^[source]	6

Identification	IMO number : 7922142 MMSI number : 710400000 Callsign : PWAR^[source]	—

Fate	Acquired by Brazilian Navy , 1994^[source]	—

Namesake	Admiral Ary dos Santos Rongel^[source]	—

Acquired	19 April 1994^[source]	—

Commissioned	25 April 1994^[source]	—

Home port	Rio de Janeiro^[source]	—

Status	in active service^[source]	—

Type	Research ship^[source]	Frigate^[source]

Ice class	Ice-strengthened^[source]	—

Propulsion	1 × controllable pitch propeller 1 × stern thruster 2 × bow thrusters^[source]	Twin-shaft CODOG , FPP, 2 × 14,300 + 1 × 6,000 (kW)^[source]

Capacity	2,400 m 3 (85,000 cu ft)^[source]	—

Aircraft carried	2 × Helibrás Esquilo (locally designated as UH-12/13)^[source]	—

Aviation facilities	Helipad and hangar^[source]	—

Source measurement	As built, the ship was an ice-strengthened research vessel . The vessel measured 1,496 gross register tons (GRT) and 1,050 tons deadweight (DWT), was 65.1 metres (213 ft 7 in) long overall and 56.0 metres (183 ft 9 in) between perpendiculars with a beam of 13.1 metres (43 ft 0 in). In 1986, the ship was lengthened to 75.3 metres (247 ft 1 in) long overall and 67.4 metres (221 ft 2 in) between perpendiculars. The vessel was remeasured as 1,982 gross tonnage (GT) and 1,100 deadweight.^[source]Brazilian research ship Ary Rongel · Description; only the objects and conditions stated in this passage The ship is powered by two MaK 6M-453 diesel engines driving one shaft turning a controllable pitch propeller , one stern thruster and two bow thrusters rated at 4,500 horsepower (3,356 kW). The ship is capable of 14.5 knots (26.9 km/h; 16.7 mph) and has a cruising range of 17,000 nautical miles (31,000 km; 20,000 mi) at 12 knots (22 km/h; 14 mph).^[source]Brazilian research ship Ary Rongel · Description; only the objects and conditions stated in this passage In Brazilian naval service, the research ship has a standard displacement of 1,928 long tons (1,959 t) and 3,628 long tons (3,686 t) at full load. The ship is equipped with a helipad and is capable of operating up to two UH-13 Helibrás Esquilo helicopters. The vessel's cargo capacity in naval service is 2,400 m 3 (85,000 cu ft) and the ship has a complement of 70 including 19 officers and space for 22 scientists.^[source]Brazilian research ship Ary Rongel · Description; only the objects and conditions stated in this passage	—

Source measurement

As built, the ship was an ice-strengthened research vessel . The vessel measured 1,496 gross register tons (GRT) and 1,050 tons deadweight (DWT), was 65.1 metres (213 ft 7 in) long overall and 56.0 metres (183 ft 9 in) between perpendiculars with a beam of 13.1 metres (43 ft 0 in). In 1986, the ship was lengthened to 75.3 metres (247 ft 1 in) long overall and 67.4 metres (221 ft 2 in) between perpendiculars. The vessel was remeasured as 1,982 gross tonnage (GT) and 1,100 deadweight.^[source]Brazilian research ship Ary Rongel · Description; only the objects and conditions stated in this passage

The ship is powered by two MaK 6M-453 diesel engines driving one shaft turning a controllable pitch propeller , one stern thruster and two bow thrusters rated at 4,500 horsepower (3,356 kW). The ship is capable of 14.5 knots (26.9 km/h; 16.7 mph) and has a cruising range of 17,000 nautical miles (31,000 km; 20,000 mi) at 12 knots (22 km/h; 14 mph).^[source]Brazilian research ship Ary Rongel · Description; only the objects and conditions stated in this passage

In Brazilian naval service, the research ship has a standard displacement of 1,928 long tons (1,959 t) and 3,628 long tons (3,686 t) at full load. The ship is equipped with a helipad and is capable of operating up to two UH-13 Helibrás Esquilo helicopters. The vessel's cargo capacity in naval service is 2,400 m 3 (85,000 cu ft) and the ship has a complement of 70 including 19 officers and space for 22 scientists.^[source]Brazilian research ship Ary Rongel · Description; only the objects and conditions stated in this passage

—

Builders	—	Zelenodolsk Plant Gorky^[source]

Operators	—	Russian Navy Vietnam People's Navy^[source]

Preceded by	—	Koni class Grisha class^[source]

Subclasses	—	Project 11661 Tatarstan Project 11661K Dagestan Project 11661E Gepard: Gepard 3.9: Batch I; Batch II Gepard 5.1 Gepard 5.3^[source]

Cost	—	11661E (Gepard 3.9 batch I): US$175 million per ship 11661E (Gepard 3.9 batch II): US$350 million per ship (price included ammunition, maintenance packages signed between Vietnam and Russia )^[source]

Built	—	1991–2016^[source]

Planned	—	10^[source]

Cancelled	—	2^[source]

Active	—	6^[source]

Endurance	—	20 days^[source]

Sensors & processing systems	—	MR-231-1 Pal navigation radar Mineral-ME shipborne multifunctional radar system (including guidance and target designation functions for cruise missiles ) 5P-26/MR-352 Pozitiv-ME1/-ME1.2 3D active shipborne radars 5P-10E-03E Laska fire control radar for naval gun and CIWS Sonar : MGK-335EM-03 with under-keel antenna^[source]

Electronic warfare & decoys	—	EW Suite : 2 × Bell Shroud passive intercept, 2 × Bell Squat jammers, Countermeasures : 4 × 16-barreled Pk-16 decoy launchers^[source]

Armament	—	Artillery: 1 × 76.2mm AK-176M/MA naval gun 2 × AK-630M CIWS ( Tatarstan and VPN configuration) Cruise missiles : 8 × UKSK VLS cells for Kalibr missiles ( Dagestan ) (up to 16x cells in configurations offered to the export market; options for Club-N , Yakhont and BrahMos missile systems are available) 2 × quadruple launchers (2×4) Kh-35 anti-ship missiles ( Tatarstan and VPN 's Batch I & II configuration) Anti-submarine warfare : 2 × 533mm DTA-53 twin-tube (2×2) torpedo launchers (not featured on VPN 's Batch I) Naval mines Anti-air warfare : 1 × Palash/Palma-SU CIWS featured with 8x Sosna-R short range air defense missiles ( Dagestan and VPN configuration) 1 × Osa-M twin-launcher for 20x 9M33M short range air defense missiles ( Tatarstan ) 12 × Shtil-1 VLS cells for 9M317ME medium-range surface-to-air missiles (offered configuration for the export market)^[source]