SPECs
these are pretty general as there are several variations
of this aircraft.

Manufacturer: Sikorsky
Type: S76C
First flight: March 13th 1977.
First delivery Feb 27th 1979
(Air Logistics of Lafayette, Louisiana)

Engines: 76C - 2x 1033shp Pratt & Witney PT6
Rotor diameter: 44ft
Length Rotor turning: 52ft
Height: 14ft 5inch
Gross weight: 10,300lbs
Max speed: 145knt - 167mph - 269km/h at sea level
(I have set the overspeed for this figure)
Range: Max range 404nm - 465miles - 748kms
Capacity: 2 crew and 12 passengers