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| Owner | Ministry of Defence (MoD) |
| Operator | MoD, Hydrographic Surveying Squadron |
| Address | The Director of Naval Surveying, Oceanography and Meteorology
Ministry of Defence, Lacon House, Theobalds Road, Holborn London, England, UK WC1X 8RY |
| Fax | +44 (0)20-7305-6919 |
| Website | http://www.marine.gov.uk/hecla.htm |
| Observations | -- |