Ninfe-class research vessel

Galatea at the Port of Livorno, 2013
Class overview
NameNinfe class
BuildersIntermarine, Sarzana (La Spezia)
Operators Italian Navy
Preceded byMirto and Pioppo
In commission2002
Planned2
Completed2
Active2
General characteristics
TypeSurvey vessel
Displacement415 t (408 long tons) full load
Length39.21 m (128 ft 8 in) LOA
Beam12.6 m (41 ft 4 in)
Draught2.5 m (8 ft 2 in)
Propulsion
  • - 2 x diesel engines Isotta Fraschini V1708-T2-ME (1,396 kW (1,872 hp) each) with ABB/Marelli generator
  • - 2 x diesel engine AIFO GE8210M22, for harbour duties
  • - 2 x Schottel STP-300 azimuthal propellers
  • - 2 Schottel bow thrusters[1]
Speed13 knots (24 km/h; 15 mph)
Range1,700 nmi (3,100 km; 2,000 mi) at 13 knots (24 km/h; 15 mph)
Complement31
Sensors and
processing systems		2 x navigation radar GEM Elettronica SPN-753

The Ninfe class of survey vessels [2] consists of two catamaran hulls operated by the Marina Militare Italiana.

Features

They was designed to carry out hydro-oceanographic surveys at high sea and in harbours and shallow waters, in order to guarantee the production and updating of nautical charts.
Main activities:
[3]

  • sounding
  • minimum depth
  • topography of shorelines and port facilities
  • seabed features
  • collection of nautical and geographical data for the updating of nautical documentation
  • detection of sunken vessels or dangerous underwater obstacles

The collected data are then processed by means of dedicated software programs and then used to produce:

  • paper and electronic nautical charts for the safety of navigation
  • Additional Military Layers
  • nautical, scientific and technical documentation for mariners
  • oceanographic databases for scientific purposes

Characteristics

It is fitted with:

  • multi-beam echo sounder Simrad EM300 (30 kHz)[4]
  • single-beam echo sounder Simrad EA500 (12, 120 e 200 kHz)
  • single-beam echo sounder Atlas Deso 25 (33, 100 e 210 kHz)
  • Side Scan Sonar towed Simrad MS992
  • differential and RTK satellite positioning systems
  • Sippican XBT MK21 bathythermograph system
  • CTD profiler with rosette system Ocean Seven 316 used for water sampling at different depths
  • Van Veen buckets
  • Sindel weather station

The ship is equipped one survey motor-boat for coastal and shallow water surveys fitted with:

  • single beam Simrad EA400 (38 e 200 kHz)
  • multi-beam echo sounders Simrad EM3000 (300 kHz)

Ships

 Italian Navy - Ninfe class
Name Pennant number Laid down Launched Commissioned Motto
Aretusa A 5304 9 May 2000 10 January 2002 Arethusa undis prospicit
Galatea A 5308 7 June 2000 10 January 2002 Felix Galatea vivas

References

  1. ^ "The Ninfe Class". Intermarine.it. Retrieved 2016-11-21.
  2. ^ "Idrografiche costiere – Marina Militare". Marina.difesa.it. Retrieved 2016-11-21.
  3. ^ "Aretusa – Marina Militare". Marina.difesa.it. Retrieved 2016-11-21.
  4. ^ "Navy Installs New Multibeam Echo Sounders". Marinelink.com. 2003-12-18. Retrieved 2016-11-21.

External links

Wikimedia Commons has media related to Galatea (A 5308).
  • Aretusa (A 5304) Marina Militare website
  • Galatea (A 5308) Marina Militare website
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