LÉ Grainne (CM10)

History
United Kingdom
Name:	HMS Oulston
Namesake:	Oulston
Builder:	Thornycroft
Launched:	September 1953[1]
Out of service:	1971
Identification:	M1129
Republic of Ireland
Name:	LÉ Grainne
Namesake:	Gráinne, a legendary Irish princess
Acquired:	1971
Commissioned:	30 January 1971
Decommissioned:	1987
Identification:	CM10
Fate:	Sold to Spanish interests for breaking, 1987
General characteristics
Class and type:	Ton-class minesweeper
Displacement:	360 tonnes
Length:	42.67 m (140.0 ft) overall
Beam:	8.4 m (28 ft)
Draught:	2.49 m (8 ft 2 in)
Speed:	15 knots (28 km/h; 17 mph) maximum
Complement:	30
Armament:	40 mm Bofors 2 × 20 mm Oerlikon AA

LÉ Gráinne (CM10) was a Ton-class minesweeper in the Irish Naval Service. She was the former HMS Oulston. She was named after Gráinne, a legendary princess who was promised to Fionn Mac Cumhail but ran away with his young follower Diarmuid.

Oulston was purchased from the Royal Navy in 1971, and commissioned as Gráinne. She was stricken in 1987 and sold to Spanish interests for breaking.

References

Ton-class minesweeper
Royal Navy	Alcaston Aldington Alfriston Alverton Amerton Appleton Ashton Badminton Beachampton Belton Bevington Bickington Bildeston Blaxton Bossington Boulston Brereton Brinton Bronington Burnaston Buttington Calton Carhampton Castleton Caunton Chawton Chediston Chilcompton Chilton Clarbeston Coniston Crichton Crofton Cuxton Dalswinton Darlaston Derriton Dilston Dufton Dumbleton Dunkerton Durweston Edderton Essington Fenton Fiskerton Fittleton Flockton Floriston Gavinton Glasserton Hazleton Hexton Hickleton Highburton Hodgeston Houghton Hubberston Ilmington Invermoriston Iveston Jackton Kedleston Kellington Kemerton Kildarton Kirkliston Laleston Lanton Letterston Leverton Lewiston Lullington Maddiston Maryton Maxton Monkton Nurton Oakington Oulston Overton Packington Penston Picton Pollington Puncheston Quainton Rennington Repton Roddington Santon Sefton Shavington Sheraton Shoulton Singleton Soberton Somerleyton Stratton Stubbington Sullington Swanston Tarlton Thankerton Upton Walkerton Wasperton Wennington Whitton Wiston Wlkieston Wolverton Woolaston Wotton Yarnton
Argentine Navy	Chaco (ex-Rennington) Chubut (ex-Santon) Formosa (ex-Ilmington) Neuquen (ex-Hickleton) Rio Negro (ex-Tarlton) Tierra del Fuego (ex-Bevington)
Royal Australian Navy	Curlew (ex-Chediston) Gull (ex-Swanston) Hawk (ex-Somerleyton) Ibis (ex-Singleton) Snipe (ex-Alcaston) Teal (ex-Jackton)
Ghana Navy	Ejura (ex-Aldington)
Indian Navy	Cannanore (ex-Whitton) Cuddalore (ex-Wennington) Kakinada (ex-Durweston) Karwar (ex-Overton)
Irish Naval Service	Banba (ex-Alverton) Fola (ex-Blaxton) Grainne (ex-Oulston)
Royal Malaysian Navy	Brinchang (ex-Thankerton) Jerai (ex-Dilston) Kinabalu (ex-Essington) Ledang (ex-Hexton) Mahamiru (ex-Darlaston) Perantau (ex-Edderton) Tahan (ex-Lullington)
Royal New Zealand Navy	Hickleton Santon
South African Navy	Durban East London (ex-Chilton) Johannesburg (ex-Castleton) Kaapstad (ex-Hazleton) Kimberley (ex-Stratton) Mosselbaai (ex-Oakington) Port Elizabeth (ex-Dumbleton) Pretoria (ex-Dunkerton) Walvisbaai (ex-Packington) Windhoek

Fleet of the Irish Naval Service
Active fleet	Eithne Orla Ciara Róisín Niamh Samuel Beckett James Joyce William Butler Yeats
Decommissioned	Macha Maev Cliona Setanta Ferdia Grainne Banba Fola Deirdre Emer Aoife Aisling
On order	Unnamed Beckett-class OPV