ISBN: | 978-5-5144-4819-7 |
High Quality Content by WIKIPEDIA articles! The Sikorsky CH-124 Sea King is a twin-engined anti-submarine warfare (ASW) helicopter designed for shipboard use. The Canadian variant is based on the US Navy`s SH-3 (or S-61) and has been continuously in service with the Royal Canadian Navy and Canadian Forces since 1963.