Mato Grosso-class destroyer

	Rio Grande do Norte
Class overview
Name	Mato Grosso class
Builders	Federal Shipbuilding and Drydock Company ; Bethlehem Steel ; Bethlehem Shipbuilding Corporation ;
Operators	Brazilian Navy
Preceded by	Pará class
Succeeded by	Marcílio Dias class
Built	1943–1946
In commission	1972–1996
Planned	5
Completed	5
Retired	5
General characteristics
Type	Destroyer
Length	376 ft 6 in (114.76 m)
Beam	40 ft (12 m)
Draft	15 ft 8 in (4.78 m)
Propulsion	60,000 shp (45,000 kW); 2 shafts;
Speed	34 kn (63 km/h; 39 mph)
Range	6,500 nmi (12,000 km; 7,500 mi) at 15 kn (28 km/h; 17 mph)
Complement	331 (D34); 291 (D35-38);
Sensors and ; processing systems	1 × AN/SPS-29 air-search radar (D38); 1 × AN/SPS-6 air-search radar (D34); 1 × AN/SPS-40 air-search radar (D35-37); 1 × AN/SPS-10 surface-search radar ; 1 × AN/SQS-44 sonar (D34 and 36-37); 1 × AN/SQS-29 sonar (D35 and 38); 1 × Mark 25 Director (D34); 1 × Mark 20 Director (D35-38);
Electronic warfare ; & decoys	1 × AN/WLR-1 ECM ; 1 × AN/ULQ-6 ECM;
Armament	D34:; 3 × twin 5"/38 cal guns ; 2 × triple Mark 46 torpedo tubes ; 2 × Mark 10 Hedgehog mortars ; 1 × Seacat SAM ; 1 × depth charge track; D35-38:; 3 × twin 5"/38 cal guns; 2 × triple Mark 46 torpedo tubes ; 2 × Mark 10 Hedgehog mortars ;
Aircraft carried	1 × Westland Wasp
Aviation facilities	Single hangar and helipad (D35-38)

Last updated February 29, 2024

The Mato Grosso-class destroyer is a class of destroyers of the Brazilian Navy. Seven ships of the Allen M. Sumner class were lent by the United States Navy and were in commission from 1972 until 1996.^[1]

Development

Mato Grosso was commissioned as USS Compton on 4 November 1944, Sergipe was commissioned as USS James C. Owens on 17 February 1945, Alagoas was commissioned as USS Buck on 28 June 1946, Rio Grande do Norte was commissioned as USS Strong on 8 March 1945 and Espírito Santo was commissioned as USS Lowry on 8 March 1945.^[2]^[3]

After World War II, they were in a mothball state, but were later handed over to Brazil based on the Brazil-US Ship Loan Agreement. Only the lead ship had not undergone FRAM, thus the ships having different armaments and configurations.^[1]

Ships in the class

Mato Grosso class
Hull no.	Name	Builder	Laid down	Launched	Acquired	Decommissioned	Fate
D34	Mato Grosso	Federal Shipbuilding and Drydock Company	28 March 1944	17 September 1944	27 September 1972	July 1990	Scrapped
D35	Sergipe	Bethlehem Shipbuilding Corporation	9 April 1944	1 October 1944	15 July 1973	17 October 1995	Scrapped
D36	Alagoas	Bethlehem Steel	1 February 1944	11 March 1945	16 July 1973	30 June 1995	Scrapped
D37	Rio Grande do Norte	Bethlehem Steel	25 July 1943	23 April 1944	31 October 1973	1995	Sunk in 1997
D38	Espírito Santo	Bethlehem Shipbuilding Corporation	1 August 1943	6 February 1944	31 October 1973	1996	Scrapped, 1996

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References

1 2 encyclopedia, david bocquelet-Naval. "Brazilian Navy - Marina do Brazil 1947-1990". naval-encyclopedia.com. Retrieved 2022-01-28.
↑ Gardiner, Chumbley & Budzbon 1995.
↑ Mooney 1959.

Bibliography

Gardiner, Robert; Chumbley, Stephen; Budzbon, Przemysław (1995). Conway's All the World's Fighting Ships 1947-1995. Annapolis, Md.: Naval Institute Press. ISBN 1-55750-132-7. OCLC 34267261.
Mooney, James (1959). Dictionary of American Naval Fighting Ships. p. 780. ISBN 9780160020308.

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[:0-1] 1 2 encyclopedia, david bocquelet-Naval. "Brazilian Navy - Marina do Brazil 1947-1990". naval-encyclopedia.com. Retrieved 2022-01-28.

[FOOTNOTEGardinerChumbleyBudzbon1995-2] Gardiner, Chumbley & Budzbon 1995.

[FOOTNOTEMooney1959-3] Mooney 1959.

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