The Boeing Vertol CH-46 Sea Knight is a medium-lift tandem-rotor transport helicopter, furnished with a set of counter-rotating main rotors in a tandem-rotor configuration. It was typically powered by a pair of General Electric T58 turboshaft engines, which were mounted on each side of the rear rotor pedestal; power to the forward rotor was ...

2012年11月19日 · The Marines’ primary lift at Hue, the CH-46 Sea Knight—known as the “Phrog” for its head-on appearance—began life as the YHC-1A, one of two proposed medium lift transports for the Army. The Army chose the larger, more powerful YHC-1B, which became the CH-47 Chinook.

Known as the “Phrog” for its amphibian-like appearance, the CH-46 served as the U.S. Marine Corps’ primary assault helicopter in over four decades of active service. As the Marines’ first turbine-powered assault helicopter, it proved well suited to the challenging environment of South Vietnam, where it began operations in 1966.

2016年4月18日 · Boeing HH-46E “Phrog” Helicopter. The first Phrogs were delivered in June 1964, and entered combat in Vietnam during 1966. They served throughout the war despite being grounded for a brief time due to mechanical maladies, and over the course of the first true helicopter war, 106 leatherneck CH-46 helicopters were lost to enemy fire.

NAVAL AIR SYSTEMS COMMAND, PATUXENT RIVER, Md. -- It’s the last hop for the CH-46 Sea Knight helicopter commonly known as the “Phrog.” The helicopter is set to retire and to be flown one last...

The final flight for a Marine Corps CH-46 in South Vietnam occurred on April 30, 1975, when a “Phrog” extracted the last leathernecks of the Marine security detail from the rooftop of the...

2015年7月30日 · The CH-46 Sea Knight helicopter commonly known as the “Phrog,” is set to retire and to be flown one last time by Reserve Marine Medium Helicopter Squadron (HMM) 774 on Aug. 1. The CH-46...

2011年7月7日 · The H-46 "Sea Knight" helicopter is one of the largest helicopters in the US Navy inventory. The helicopter has the ability to land and taxi in the water in case of emergency, and is able to stay...

2014年10月2日 · For decades, the CH-46E Sea Knight helicopter has served the nation with honor, reliability and time-tested dependability. The Sea Knight, also known as the “Phrog,” is scheduled to perform Oct....

January 1967: Boasting new features and more powerful engines than its predecessor, a Marine CH-46D Sea Knight prepares to land aboard the USS Guadalcanal (LPH-7). These helicopters featured tandem rotors to take advantage of small, lightweight turboshaft engines; also, that configuration alleviated the need for the traditional tailboom.