The Beechcraft Expeditor (Beechcraft Model 18, USAF designation C-45 US Navy designation SNB-5) was an American built twin-engined military light personnel or utility transport aircraft of the Second World War, first flown as a prototype in 1937. The British and Canadian version was known as the Expeditor, the USAAF version the C-45 and the U.S. Navy version the JRB (later SNB-5). Powered by two 450 hpPratt and Whitney Jr R-985-AN-14B radial engines it had a top speed of 360 kmh and a range of 2328 km. Research Beechcraft Expeditor