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Description
Characteristics
| Book cover finish(es) | Perfect paperback |
| Condition | Good |
| Author(s) | Johan D. Ragay |
| Publisher | FLASH AVIATION |
| Number of pages | 106 |
| Published date | 2009 |
| Language(s) | English |
| Size | 21 x 24 x 0,5 cm |
| Categorie(s) | • APPAREILS - CONSTRUCTEURS • AVIATION MILITAIRE • HÉLICOPTÈRES - AUTOGIRES |
Description
The Kaman H-43 series was a progressive development of the Navy's HOK / HTK twin-rotor helicopter series and was certainly influenced by the German World War II twin-rotor Flettner helicopters. Early models were powered by Pratt & Whitney R-1340 radial engines, but later developments were all powered by turbine engines. Air Force versions appeared in Navy service around 1950 and were first used in the late 1950s, with 13 H-43As followed by 193 turbine-powered H-43Bs. These were mainly used for aerial firefighting and crash rescue. The final production model was the HH-43F, of which 40 were built. Marin versions were eventually redesignated as UH-43C and OH-43D. Many were used for rescue operations during the Vietnam conflict. The first Kaman helicopters were produced for civilian use, mainly as field units. The Korean War stimulated military development. In service with the Air Force and Navy, all turbine-engine models were eventually upgraded to the HH-43F standard, and these were used until the late 1960s and early 1970s, when they were declared surplus to requirements. Many were bought by salvage companies and restored to airworthy condition, where they were useful in civilian functions such as forestry, crop spraying and logging...
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