Jean de Vienne (D643)

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The Jean de Vienne
Career (France) French Navy Ensign
Name: Jean de Vienne
General characteristics
Displacement: 3550 t tonnes, 4500 tonnes fully loaded
Length: 139 m
Beam: 14 m
Height: 39.36 m
Draught: 5.80 m
Propulsion:

CODOG (COmbined Diesel Or Gaz): 2 diesels Pielstick PA 6 V280 STD
Diesel power: 5200 hp (38 MW).
TAG Motorisation : 2 Rolls Royce Olympus TM3B gas turbines, 26000 hp (19 MW).
2 propeller with 4 orientables fins each

Total power: 52000 hp (38 MW).
Speed: 30 knots (56 km/h) on TAG, 21 knots (39 km/h) on diesel
Range:

TAG : 1000 nautical miles (1900 km) at 30 knots (56 km/h)

Diesel : 10000 nautical miles (1900 km) at 15 knots (28 km/h)
Complement: 20 officers, 120 non-commissioned officers, 95 men
Sensors and
processing systems:

Detection:

  • 1 Air/surface sentry radar DRBV51C
  • 1 Air sentry radar DRBV 26
  • 1 fire control radar DRBC 32E
  • 2 navigation radar KH 1007
  • 1 hull sonar DUBV 23
  • 1 tugged sonar DUBV 43C

Tactical information:

  • SENIT 4
  • SEAO/OPSMER
Electronic warfare
and decoys:
  • 2 radar intereceptors ARBR 16
  • 2 Syllex chaff launchers
Armament:

Anti-air:

  • 1 Crotale EDIR system - 8 missiles on launcher + 18 stored
  • 2 Simbad systems - 2 x 2 Mistral missiles
  • 1 CADAM 100 mm main gun
  • 2 x 20 mm guns
  • 4 x 12.7 mm machine guns

Anti-surface:

Anti-submarine:

  • 10 L5 Mod4 torpedoes
  • 2 L5 torpedo launchers
  • 12 MK46 torpedoes for the Lynx WG13 helicopter
Aircraft carried:

2 Lynx WG13 Mk4 helicopters, with each:

  • 1 DUAV4 sonar
  • Rheseda system for transmission of acoustic data
  • 12 MK46 torpedoes


The Jean de Vienne is a F70 type anti-submarine frigate of the French Marine Nationale. She is the third French vessel named after the XIVth Century admiral Jean de Vienne. Her complement is 20% female.

There are seven ships in the F70 class :

Note: The French navy doesn't use the term "destroyer" for its ships; hence some large ships, referred to as "frigates", are registered as destroyers.

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