Stealth helicopter

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Stealth helicopters are helicopters that incorporate stealth technology to decrease an enemy's detection ability. There is a diverse range of technologies used to achieve this decreased detectability; these have largely involved the reduction of several different signatures typically generated by a rotorcraft, including those of noise, radar, and infrared. In many ways, helicopters are less suitable for stealth technology than fixed-wing aircraft are; one such area is their rotor blades, which not only generate copious noise levels but can also give off a strong radar signature. However, blade designs have been developed that can significantly reduce noise, which has traditionally been a major issue for any operation involving the clandestine use of helicopters. Numerous helicopters have incorporated profiled fuselages to reduce their radar cross-section (RCS). Constructing elements of the rotorcraft from certain materials is another means of minimizing radar visibility. It is known that...

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