Designation: UH12C

Hiller UH12C

Hiller UH12C

A picture of the Hiller UH12C

The UH12 civil helicopter is one of the earliest helicopters to enter service.  First flown in 1948, the Hiller Company first marketed the aircraft for civil use.  Despite its similarity to the U.S. military’s designation system UH12 is a company designation and not a military one.  When the U.S. Army adopted the aircraft into service it was designated OH-23 and called the Raven.  The C model was the first to have a completely enclosed cockpit.  The UH12 has been in sporadic production since 1948 with over 2,300 built.

Wingspan 35 ft 4 in.

Rotor Diameter

Length 28 ft 6 in.

Length

Height 9 ft 3 in.

Height

Weight 2,500 (loaded)

Weight

Max. Speed 84 MPH

Maximum Speed

Service Ceiling 15,000 ft

Service Ceiling

Range 150 miles

Range

Engines One Franklin 6V-335-B1 with 210 horsepower

Engine

Crew 2

Crew


Manufacturer
Hiller

Markings
C. T. Jensen, 1959

Designation
UH12C

Registration
N7725C

Serial Number
J345

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