Today in WW II: 18 Sep 1939 Soviet troops link up with German troops at Brest Litovsk and Vilna, dividing Poland.  More 
18 Sep 1943 US Army, Marine, and New Zealand troops land on Vella Lavella, fifteen miles northwest of Kolombangara, between New Georgia and Bougainville, Central Solomons.
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Sikorsky HH-52 Sea Guard Helicopter

The Coast Guard acquired 99 of the Sikorsky HH-52A Sea Guard helicopters, beginning in July 1962, and retired the last one in service 12 September 1989, replaced by the HH-65A Dolphin. During its long service, the HH-52A Sea Guard was the Coast Guard’s primary short-range, search and rescue helicopter.

The HH-52A was the military version of the Sikorsky Model S-62, the first turbine-powered helicopter to be certified by the U.S. Federal Aviation Agency. The HH-52A had a watertight boat-hull fuselage making it capable of water landings and takeoffs, a key factor for the Coast Guard in selecting the aircraft.

HH-52 Sea Guard Specifications and Performance

Rotor diameter 53 ft.
Length 44 ft. 7 in.
Height 14 ft. 2 in.
Width 15 ft.
Weight 8,100 lb. max
Armament None
Engine 1,050 shp GE T58-GE-6 turboshaft
Maximum speed 120 mph
Cruising speed 92 mph
Range 350 mi.
Service ceiling 15,700 ft.

Personnel tie down the blades of a Coast Guard HH-52 Sea Guard helicopter, as protection from high winds at an Argentine station, 1 April 1983.  Under a 1959 Antarctic Treaty, the U.S. is providing transportation to scientists from this station.
Personnel tie down the blades of a Coast Guard HH-52 Sea Guard helicopter, as protection from high winds at an Argentine station, 1 April 1983. Under a 1959 Antarctic Treaty, the U.S. is providing transportation to scientists from this station.

A Coast Guard Grumman HU-16E Albatross (left) and a Sikorsky HH-52A Seaguard in March, 1964, probably at Air Station Mobile. For over 30 years, these amphibious aircraft were the workhorses of the Coast Guard's air fleet.
A Coast Guard Grumman HU-16E Albatross (left) and a Sikorsky HH-52A Seaguard in March, 1964, probably at Air Station Mobile. For over 30 years, these amphibious aircraft were the workhorses of the Coast Guard's air fleet.

HH-52A Sea Guard lands on board the USCGC Westwind during flight operations in Gravesend Bay, NY, 6 March 1964
HH-52A Sea Guard lands on board the USCGC Westwind during flight operations in Gravesend Bay, NY, 6 March 1964.

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