CH-47A Chinook

The CH-47A Chinook, introduced in 1962, was the first production model of Boeing’s iconic tandem‑rotor heavy‑lift helicopter. Developed by the Vertol Aircraft Division, which later became Boeing Rotorcraft Systems, the Chinook was conceived to meet the United States Army’s demand for a fast, all‑weather transport capable of carrying troops, artillery, and supplies across rugged terrain. Powered by two Lycoming T55‑L-5 turboshaft engines delivering 2,200 shaft horsepower each, the aircraft’s dual‑rotor configuration provided exceptional lift and stability, allowing a payload of up to 10,000 pounds and a maximum speed of 170 knots. Its three‑bay fuselage, rear loading ramp, and interchangeable mission kits enabled rapid conversion between cargo, troop‑carrier, and medical evacuation roles. The CH‑47A’s first flight in October 1961 marked a turning point in rotary‑wing logistics, demonstrating that helicopters could replace many fixed‑wing transport tasks in combat zones. Over subsequent decades the Chinook series has become a workhorse for more than 20 nations, influencing modern heavy‑lift design and establishing a legacy of reliability, versatility, and battlefield endurance that continues to shape military and humanitarian aviation worldwide. Its continued upgrades, including advanced avionics and more powerful engines, ensure the Chinook remains a pivotal asset in 21st‑century operations.