For decades, helicopters have faced a fundamental engineering challenge. The faster they fly, the ...

Since its groundbreaking invention in 1939, the helicopter has steadily transformed the world of transport, though it took a decade or two to really reach its potential. The Korean War served as the ...

Due to the demand of unmanned helicopters for drag reduction and rain-proof, the helicopter nacelle must be sealed. It will lead to a decrease in the heat transfer efficiency of the radiator, and the ...

For decades, tactical aviation communities have accepted an uncomfortable reality: many military aircraft simply do not have bathrooms onboard. While this issue has gained increased attention in the ...

Leonardo Helicopters will in the coming weeks wrap-up a flight-test campaign to validate improvements to the AW101 that will offer pilots more power and control. Tests have been under way since 2021, ...

The optimization of total helicopter-unmanned aerial vehicle (UAV) coordinated search-and-rescue (SAR) time to buy time for follow-up rescue activities is an important problem in air rescue that needs ...

Ahead of its time in performance and design, the Lockheed AH-56 seemed like a promising attack helicopter for the United States Army during the Vietnam War, but instead ended up on the chopping block.

Flying higher than almost any helicopter was designed to, the Indian Air Force's Cheetah became Siachen's lifeline—delivering ...