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The Sikorsky CH-148 Cyclone is a twin-engine, multi-role shipborne helicopter developed by the Sikorsky Aircraft Corporation for the Canadian Armed Forces. [3] [4] A military variant of the Sikorsky S-92, the CH-148 is designed for shipboard operations and replaced the CH-124 Sea King, which was in Canadian Armed Forces operation from 1963 to 2018.
The R-4 was the world's first large-scale mass-produced helicopter and the first helicopter used by the United States Army Air Forces, [1] the United States Navy, the United States Coast Guard and the United Kingdom's Royal Air Force and Royal Navy. In U.S. Navy and U.S. Coast Guard service, the helicopter was known as the Sikorsky HNS-1.
A Bell XH-40, a prototype of the UH-1 and Bell 204. Bell designed its Model 204 in response to a 1955 United States Army requirement for a utility helicopter. The 204 was a giant step forward in helicopter design, being one of the first to be powered by a turboshaft.
Unofficial designation of standard CH-46F used by HMX-1 as VIP support transport helicopter. CH-46X Replacement helicopter based on the Boeing Model 360, this Advance Technology Demonstrator from the 1980s never entered production. The aircraft relied heavily on composites for its construction and had a beefier drive train to handle the twin ...
How do the spin–orbit coupling, other relativistic corrections, and inter-electron effects modify the chemistry of the trans-actinides? [1] [2] Is it possible to create a practically-useful lithium–air battery? [3]
The CH-53 Sea Stallion (Sikorsky S-65) is a family of American heavy-lift transport helicopters designed and built by the American manufacturer Sikorsky Aircraft.The Sea Stallion was originally developed in response to a request from the United States Navy's Bureau of Naval Weapons made in March 1962 for a replacement for the Sikorsky CH-37 Mojave helicopters flown by the United States Marine ...
Service members visit the crash site of two MH-53E Super Stalllions that collided during a training exercise in 2006. On 1 June 1984, a CH-53E based at Tustin was lifting a truck from the deck of a ship during an exercise when a sling attached to the truck broke. This sent a shock wave into the aircraft and caused major damage.
The Bell CH-146 Griffon is a multi-role utility helicopter designed by Bell Helicopter Textron as a variant of the Bell 412EP for the Canadian Armed Forces. It is used in a wide variety of roles, including aerial firepower, reconnaissance, search and rescue and aero-mobility tasks. [ 1 ]