Sikorsky S-61Sikorsky S 61 Helicopter airplane model. In September 1957 the US Navy awarded Sikorsky a development contract to produce an amphibious anti submarine warfare helicopter capable of detecting and attacking submarines. The prototype Sea King flew on March 11 1959, while production deliveries took place from September 1961. Power for initial production aircraft was supplied by two 930kW (1250shp) General Electric T58GE8B turboshafts. Development of a

yet easier to maintain and less costly to support

air defense suppression

all the Pacific Fleet's carriers had the F4F-4 and fighting squadron pilots were learning

and the better capability of this airplane resulted in the company getting contracts from US forces for Model 200s to be used for communications

000 B-29s of all versions must be regarded as very large

The M-130 was larger and heavier than the S-42 weighing 26 tons

service ceiling above 32

It was designed to investigate jet aircraft characteristics at transonic speeds

and height is 15 feet 9 inches

The aircraft is also able to perform theater airlift missions when required

The Boeing JSF is a stealthy

Development of a civil version was undertaken almost concurrently