Boeing CH-47 Chinook the CH-47 have been developed since the helicopter entered service. The U.S. Army's first major design leap was the now-common CH-47D, which entered service in 1982. Improvements from the CH-47C included upgraded engines, composite rotor blades, a redesigned cockpit to reduce pilot workload, improved and redundant electrical systems, an advanced flight control system, and improved avionics. The latest mainstream generation is the CH-47F, which features several major upgrades to reduce maintenance, digitized flight controls, and is powered by two 4,733-horsepower Honeywell engines. A commercial model of the Chinook, the Boeing-Vertol Model 234, is used worldwide for logging, construction, fighting forest
Boeing Chinook (UK variants) due to its remarkable service record. It has seen action in every major operation involving the RAF in the helicopter's 25-year service life, including the Falkland Islands, Lebanon, Germany, Northern Ireland, Iraq, and Afghanistan. During the Falklands War, Chinooks were deployed by both the British and Argentinian forces. In April 1982, five Chinooks were loaded aboard the container ship MV "Atlantic Conveyor" bound for the Falkland Islands, to support the British operations. On 25 May 1982, the Chinook "Bravo November" was sent to pick up freight from HMS "Glasgow". While the helicopter was airborne, the "Atlantic Conveyor" was attacked by