ModelC/N Construction Numbers C/N Year History 61-244 151539 61-246 w/o 1967 151540 61-247 w/o 1967 151538 61-248 151541 61-250 w/o 1964 151542 61-251 w/o 1986 151543 61-252 w/o 1978 151544 61-254 151545 61-255 151546 61-259 151547 61-261 w/o 1974 ,151548 61-262 151549,IN536 61-263 151550,HM-493 61-265 151551 61-272 1964 151552,N561SC,N624CK,N81661 61-273 151553 61-274 151554 61-291 151555 61-292 151556 61-293 w/o 1973 151557 Page:3 Top Previous continue at Sikorsky SH-3A Sea King