Rescue By Airborne Lifeboat -- ***** rescued by airborne lifeboat ***** their dinghy to lifeboat. Rescue from the sea by lifeboat dropped from aircraft is now a ***** of the work of R.A.F. Coastal ***** Sea Rescue Service. Lifeboats, fitted ***** 4.h.p., two-stroke engines, contain ***** needed by men suffering from ***** exposure, such as warm waterproof clothing ***** and medical supplies, which are dropped from ***** of 700 feet, suspended by air parachute ***** first rescue by airborne lifeb