History
France
NameDétroyat
NamesakeRobert Détroyat
BuilderArsenal de Lorient, Lorient
Laid down15 December 1974
Launched31 January 1976
Commissioned4 May 1977
Decommissioned1997
IdentificationPennant number: F784
FateScrapped, 2015
General characteristics
Class and typeD'Estienne d'Orves-class aviso
Displacement
  • 1,100 t (1,100 long tons) standard
  • 1,270 t (1,250 long tons) full load
Length
  • 80 m (262 ft 6 in) oa
  • 76 m (249 ft 4 in) pp
Beam10.3 m (33 ft 10 in)
Draught5.3 m (17 ft 5 in)
Propulsion
Speed23.5 knots (43.5 km/h; 27.0 mph)
Range4,500 nmi (8,300 km; 5,200 mi) at 15 knots (28 km/h; 17 mph)
Complement90
Sensors and
processing systems
  • 1 Air/surface DRBV 51A sentry radar
  • 1 DRBC 32E fire control radar
  • 1 Decca 1226 navigation radar
  • 1 DUBA 25 hull sonar
Electronic warfare
& decoys
  • 1 ARBR 16 radar interceptor
  • 2 Dagaie decoy launchers
  • 1 SLQ-25 Nixie countermeasure system
Armament

Détroyat (F784) is a D'Estienne d'Orves-class aviso in the French Navy.

Design

Armed by a crew of 90 sailors, these vessels have the reputation of being among the most difficult in bad weather. Their high windage makes them particularly sensitive to pitch and roll as soon as the sea is formed.

Their armament, consequent for a vessel of this tonnage, allows them to manage a large spectrum of missions. During the Cold War, they were primarily used to patrol the continental shelf of the Atlantic Ocean in search of Soviet Navy submarines. Due to the poor performance of the hull sonar, as soon as an echo appeared, the reinforcement of an ASM frigate was necessary to chase it using its towed variable depth sonar.[2]

Their role as patrollers now consists mainly of patrols and assistance missions, as well as participation in UN missions (blockades, flag checks) or similar marine policing tasks (fight against drugs, extraction of nationals, fisheries control, etc.). The mer-mer 38 or mer-mer 40 missiles have been landed, but they carry several machine guns and machine guns, more suited to their new missions.

Its construction cost was estimated at 270,000,000 French francs.[3]

Construction and career

Détroyat was laid down on 15 December 1974 at Arsenal de Lorient, Lorient. Launched on 31 January 1976 and commissioned on 4 May 1977.

She was decommissioned in 1997, then for a long time served as a breakwater at the port of the castle in Brest. In 2006 she was moored on a chest in the Landévennec ship cemetery, near Brest, awaiting dismantling.

In September 2015, the ship left the site for the scrapyard in Ghent, Belgium, to be dismantled by the Franco-Belgian group Galloo.

Citations

  1. 1 2 3 "Patrouilleurs: Les avisos français sur tous les fronts" [Patrol ships: French Avisos on all fronts.]. asafrance.fr (in French). 26 January 2017. Retrieved 6 June 2020.
  2. ↑ "Euronaval: First details of the Patrouilleurs Océanique (PO) platform unveiled". Naval News. 23 October 2020. Retrieved 17 September 2021.
  3. ↑ Quid 1996. p. 2036. ISBN 2-221-08055-6.
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