General Aviation

Hiller Oh-23c

Manufacturer: HILLER

The Hiller OH‑23 Raven is a lightweight, two‑ to four‑seat observation helicopter derived from the Model 360. It entered service in the late 1940s and became a mainstay of U.S. Army, Navy, and foreign air forces through the 1960s, known for its simple, reliable piston engine and distinctive “goldfish‑bowl” canopy.

Aircraft Facts

Type Key
hiller-oh-23c
Class
General Aviation
Registry Count
3
Example Registration
N234SM

Specifications

Height
2.98 m / 9 ft
Max Speed
153 km/h / 95 mph
Cruise Speed
132 km/h / 82 mph
Range
317 km / 171 nmi
Ceiling
4000 m / 13200 ft
First Flight
1948
Production Start
1948
Production End
1965
Total Built
2000

Variants

  • OH-23C- 3 registrations - Example N234SM

Machine-Readable Resources

Sources