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
Helicopter Heroes Helicopter Heroes Helicopter Heroes is a British daytime television series, following the lifesaving work of the Yorkshire Air Ambulance. The first episode aired on 3 September 2007 and a total of seven series have been made. In 2012–13 the team produced a 10 part series called "Helicopter Heroes Down Under", featuring the work of British medics working in Australia. A second, 15 part series is now in production for broadcast in the UK in January 2015. First screened on BBC One in 2007, its first presenter was "Top Gear"'s Richard Hammond. He agreed to front the show to thank the