TY - BOOK ED - Great Britain. ED - Great Britain. TI - Report of the accident to Sikorsky S61N, G-BDES in the North Sea 90nm north east of Aberdeen on 10 November 1988 T2 - Aircraft accident reports SN - 0115509658 PY - 1990/// CY - London PB - H.M.S.O. KW - Aeronautics KW - Accidents KW - Great Britain ER -