A USAF HH‑3E made the first nonstop trans‑Atlantic helicopter flight. The early S‑61A and B models have a boat‑type hull of metal semi‑monocoque construction and a folding tailboom to facilitate stowage.

The Sikorsky SH-3 Sea King (company designation S-61) is an American twin-engined anti-submarine warfare (ASW) helicopter designed and built by Sikorsky Aircraft. A landmark design, it was one of the first ASW rotorcraft to use turboshaft engines. [1]

HH-3A Big Mother Search and rescue variant for the US Navy converted from SH-3A. Modifications included armor, 7.62 mm miniguns, DECK-EDGE refueling capability, external fuel tanks and all ASW equipment removed.

Jul 9, 2024 · The HH-3A was developed from the Sikorsky S-61 series of helicopters. The most famous S-61's are those used in transporting the President to and from the White House. (A historical marker located near West Chester in Chester County, Pennsylvania.)

Sep 27, 2013 · The GE T-58-8F turbo shaft engine gave the HH-3A 1,450 horsepower which was about 200 more than the original ASW models to improve performance. However, the modifications jumped the empty weight jumped from around 12,000 pounds to close to 14,000.

The Navy converted 12 Sea Kings to the HH-3A configuration, adding 7.62-mm miniguns, extra fuel tanks, armor, and a rescue hoist. A more specialized—but unarmed—rescue variant was the Coast Guard’s HH-3F Pelican.

HH-3A: Modified version of SH-3A for Search and Rescue duties, with T58-GE-8F turboshaft engines, two electrically powered minigun turrets, high-speed refuelling and dumping system, rescue hoist, upgraded avionics, external auxiliary fuel tanks and armour installation.

May 6, 2023 · The combat SAR platform was known as the HH-3A and twelve were formed from the existing SH-3A stock. CH-3A was a general military transport mark serving the USAF. Three were converted from SH-3A models and later became designated as CH-3B.

Details on the SIKORSKY HH-3A aircraft, based on current FAA records. This includes specifications, engine type, and other key details. Share your captured photos of the SIKORSKY HH-3A, receive attribution and a link. Contact us. Data presented on this website is sourced directly from official Federal Aviation Administration (FAA) records.

May 22, 2008 · Sikorsky HH-3A Sea King Helicopter Specifications: Sikorsky HH-3 Sea King Helicopter at the Quonset Air Museum in North Kingston, RI Fuselage Length: 54 feet 9 inches