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
Joint Helicopter Support Unit in Sept 2009. www.jhsu.co.uk Joint Helicopter Support Unit The Joint Helicopter Support Unit (JHSU) was a joint organisation of the British Army and the Royal Air Force, located in RAF Odiham. It was formed in July 1982, following the introduction of the Chinook HC MK1 Helicopter. Personnel were drawn from the Royal Corps of Transport (RCT) and Royal Army Ordnance Corps (RAOC) (both now amalgamated into the Royal Logistic Corps (RLC)) plus the Royal Corps of Signals and the Royal Air Force (RAF). The JHSU became the Joint Helicopter Support Squadron (JHSS) following its merger with the RAF Mobile Air