Hiller Modell 360, UH-12 und OH-23 RavenLuogoAugsburg: Bechtermünz VerlagAnno1997SegnaturaLNW 6Referenze personaliMostra di piùwird erwähnt: Hiller Helicopters Inc (Hiller Aviation, United Helicopters, Hiller Aircraft Corporation) (1942)wird erwähnt: Hiller Helicopters Inc (Hiller Aviation, United Helicopters, Hiller Aircraft Corporation) (1942)