Anti-ship warfare version for the Indian Navy List of Operators of Westland Sea King Mk.42B From Organisation with model Sea King Mk.42B 1969 Westland Sea King 1969/00 1971 Bharatiya Nau Sena Sea King 43 1971/ Construction Numbers on database of Sea King Mk.42B 21mk42b Construction Numbers Help Us C/NYearHistory wa 950 1985 IN513,IN532 wa 951 1985 IN514 wa 972 1987 IN515 wa 978 1987 IN514 wa 979 1987 IN516 wa 980 1987 IN517 wa 981 1987 IN518 wa 982 1988 IN519 wa 983 1988 IN520 wa 984 1988 IN521 wa 985 1988 IN522 wa 986 1989 IN523 wa 987 1989 IN524 wa 988 1989 IN525 wa 989 1989 IN529 wa 990 1989 IN530 wa 991 1989 IN528 wa 992 1989 IN526 wa 993 1989 IN527 wa 994 1989 IN531 wa 995 1990 IN533 21 C/N.