page_title: Hiller OH-23 Raven
section_title: Variants
hierarchical_section_title: Hiller OH-23 Raven / Variants
context_page_description: The Hiller OH-23 Raven is a three-place, military light observation helicopter based on the Hiller Model 360. The Model 360 was designated by the company as the UH-12, which was first flown in 1948. The OH-23 trainer was jokingly nicknamed the "Hiller Killer" by United States Army Aviation student pilots who had to fly it.
caption: Early OH-23
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