Emer (P21)

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LE Emer.jpg
Emer at Haulbowline in October 2007
Name: Emer
Namesake: Emer, the principal wife of Cúchulainn
Builder: Verolme Dockyard, Cork
Yard number: 29
Laid down: 28 February 1977
Launched: 26 September 1977
Commissioned: 16 January 1978
Decommissioned: 20 September 2013
Homeport: Haulbowline Naval Base
Identification: P21
Status: Discarded 2013
Name: NNS Prosperity
Acquired: Seized 2014
Commissioned: 19 February 2015
Identification: A497
Status: in active service
General characteristics
Class and type: Emer-class offshore patrol vessel
Displacement: 1,019.5 tonnes Standard
Length: 65.2 m (214 ft) overall
Beam: 10.5 m (34 ft)
Draught: 4.4 m (14 ft)
Speed: 31.5 km/h (17.0 kn) maximum
Complement: 46 (5 officers and 41 ratings )

Emer (P21) was a ship in the Irish Naval Service. The ship was named after Emer, the principal wife of Cúchulainn, the legendary Irish folk hero.

After evaluating Deirdre for 3 years, Emer was ordered in 1975. Experience with Deirdre showed a need for more engine power, better crew accommodation and improved silencing. The vessel was modernised throughout her service life in order to take advantage of new technologies and to make life for the crew more comfortable; additions included air conditioning.

She was an improved version of the sole of class Deirdre and is similar to the improved versions LÉ Aoife (P22) and LÉ Aisling (P23). She was commissioned on 16 January 1978 and decommissioned on 20 September 2013.[1]

On 23 October 2013 Emer was sold at auction for €320,000 to a Nigerian businessman.[2]

In July 2014 Emer was impounded by the Nigerian Navy because the new owner had failed to secure the necessary military approval before bringing the ship into Nigerian waters.[3]

On 19 February 2015 Emer was commissioned into the Nigerian Navy as a training ship and renamed NNS Prosperity.[4][5][6]