Kaman Aircraft K-240 / HTK-1 / TH-43E

Trainer / Rescue Helicopter

Kaman HTK-1 (K-240), US Navy, 129313, c/n 4-22 © David Lednicer
Photo ©: David Lednicer (Photos at airliners.net)
The Kaman K-240 / HTK-1 is a single-engine three-seat trainer and rescue helicopter with intermeshing rotors produced by the US-American manufacturer Kaman Aircraft Corporation, today Kaman Aerospace Corporation. The Kaman K-240 was designated HTK-1 in US Navy service, redesignated TH-43E in 1962.
Propulsion1 Piston Engine
Engine ModelLycoming O-435-K1
Engine Power186 kW250 hp
Speed130 km/h70 kts
  81 mph
Service Ceiling4.267 m14.000 ft
Range193 km104 NM
120 mi.
Empty Weight1.043 kg2.300 lbs
max. Takeoff Weight1.406 kg3.100 lbs
Rotor Blades (main/tail)4
Main Rotor Diameter12,19 m39 ft 12 in
Rotor Disc Area116,7 m1256 ft
Length (Fuselage)6,25 m20 ft 6 in
Length12,19 m39 ft 12 in
Height3,73 m12 ft 3 in
First Flight1950 (K-225)
Production Statusout of production
Production Range1951-1953
Total Production29
Developed fromKaman K-225
Data for (Version)Kaman HTK-1