The Sikorsky H-34 (company designation S-58) is an American piston-engined military utility helicopter originally designed by Sikorsky as an anti-submarine warfare (ASW) aircraft for the United States Navy.

Sikorsky UH-34D Seahorse Beginning in 1962, the H-34 served as the primary Marine Corps assault helicopter of the Vietnam War until its replacement by the turbine-powered CH-46. It began in 1952 as a Navy anti-submarine warfare helicopter evolved …

May 18, 2007 · In 1962, all the designations changed to a Department of Defense standard and the aircraft became the UH-34. Sikorsky built 1,825 S-58s and UH-34s including the A, C, G, and J models, but the D became the most common.

The UH-34D went to Vietnam in 1962 with HMM-362 and became the Marine Corps' work horse helicopter flying troop transport, assault, cargo, medevac, and other missions. True to its Sikorsky heritage, the UH-34D was tough, dependable, and adaptable.

Jan 13, 2024 · A Sikorsky UH-34 helicopter begins lifting supplies for U.S. Marines during Operation Double Eagle on Jan 30, 1966. Image: Staff Sgt. W. W. Kelley/USMC. The airstrike severely wounded the team leader and killed another SF operator outright. It also blew the radio operator’s right leg off.

S-58 H-34 in US Marine Corps helicopter service. Serials, bases and units.

It was the last piston-engined helicopter to be operated by the United States Marine Corps, having been replaced by turbine-powered types such as the UH-1 Huey and CH-46 Sea Knight. A total of 2,108 H-34s were manufactured between 1953 and 1970.

HUS-1/UH-34D Seahorse was the utility version of the HSS-1/SH-34G Seabat with early bent leg / torsion bar undercarriage. Production began in 1955 and continued through 1968. Many HSS-1N/SH-34J converted to similar standard by removing ASW gear.

The HUS/UH-34 entered Marine units in 1957. This aircraft is best known for its service in Vietnam where at least eight crew members earned the Navy Cross. Beginning with operation SHUFLY, which ran from April 1962 through December 1964, the HUS was the main assault helicopter for the Marine Corps, as well as carrying out large numbers of RVN ...

The Sikorsky H-34 (company designation S-58) is a piston-engined military helicopter originally designed by American aircraft manufacturer Sikorsky as an anti-submarine warfare (ASW) aircraft for the United States Navy.