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
Meadowcroft Chinook Meadowcroft Chinook The Meadowcroft Chinook is a two-seat mid-winged American homebuilt aircraft design first flown in 1958. The Chinook was designed for maximum stability on the ground and the air with a roomy cockpit. The wing was patterned from the Ace Baby Ace homebuilt. The aircraft is a tricycle geared side-by-side seat mid-winged aircraft with a steeply raked windscreen. Each wing is braced with two small wing struts attached to the lower fuselage. The low rudder is capped with a strut braced horizontal stabilizer in a T-tail arrangement. The main gear is sourced from a Cessna 140. The aircraft can