Maker · data as of September 25, 2026

Hiller

242 aircraft on the U.S. register. The most recent registration was August 31, 2026.

Models

UH-12E103UH-12B35UH-12C31UH-12D22UH-12A16OH-23B6H-23D6UH-12E44OH-23G4UH-12L43OH-23C3UH-122

States

Texas50California27Washington15Virginia11Kansas10South Carolina9Florida9Oregon8Oklahoma8Montana7

Registrations by year

Aircraft newest first

Tail no.	Maker and model	Group	Owner and base	Certificate	Registered	Status
N105HH	Hiller UH-12D	Rotorcraft	Haddock Flying Service INC Salters, South Carolina	Experimental	2001-05-14	Valid
N104HH	Hiller UH-12E	Rotorcraft	Haddock Flying Service INC Salters, South Carolina	Multiple	2001-01-12	Valid
N100LM	Hiller UH-12E	Rotorcraft	Haddock Flying Service INC Salters, South Carolina	Multiple	2000-09-12	Valid
N3978Z	Hiller UH-12E	Rotorcraft	Fort Wolters Helicopter INC Mineral Wells, Texas	None on file	2000-07-07	Valid
N94516	Hiller H-23D	Rotorcraft	Fort Wolters Helicopter INC Mineral Wells, Texas	Standard	2000-05-05	Valid
N94AP	Hiller UH-12D	Rotorcraft	Summit Helicopters INC Salem, Virginia	Standard	2000-04-11	Valid
N33472	Hiller H-23D	Rotorcraft	Individual owner Texas	None on file	1999-12-22	Valid
N88782	Hiller UH-12E	Rotorcraft	Fort Wolters Helicopter INC Mineral Wells, Texas	Multiple	1999-11-22	Valid
N702WA	Hiller UH-12E	Rotorcraft	Fort Wolters Helicopter INC Mineral Wells, Texas	None on file	1999-10-04	Valid
N129HA	Hiller UH-12E	Rotorcraft	Hiller Aircraft CORP Firebaugh, California	Experimental	1999-06-15	Valid
N4415	Hiller UH-12E	Rotorcraft	Fort Wolters Helicopter INC Mineral Wells, Texas	Restricted	1998-11-14	Valid
N94517	Hiller H-23D	Rotorcraft	Fort Wolters Helicopter Mineral Wells, Texas	None on file	1998-09-10	Valid
N14637	Hiller UH-12E	Rotorcraft	Fort Wolters Helicopter INC Mineral Wells, Texas	Standard	1998-09-09	Valid
N606CD	Hiller OH-23D	Rotorcraft	Fort Wolters Helicopter INC Mineral Wells, Texas	None on file	1998-09-09	Valid
N62455	Hiller UH-12D	Rotorcraft	Fort Wolters Helicopter INC Mineral Wells, Texas	Standard	1998-09-09	Valid
N7173S	Hiller UH-12E	Rotorcraft	Craig Helicopters INC Craig, Colorado	Standard	1998-08-29	Valid
N853BB	Hiller UH-12D	Rotorcraft	Individual owner Oklahoma	Standard	1997-12-01	Valid
N6032E	Hiller UH-12E	Rotorcraft	Summit Helicopters INC Salem, Virginia	Standard	1997-04-02	Valid
N65048	Hiller UH-12E	Rotorcraft	Individual owner Texas	Multiple	1995-09-15	Valid
N5098Y	Hiller UH-12E	Rotorcraft	Individual owner Texas	Multiple	1994-07-25	Valid
N5311V	Hiller UH-12B	Rotorcraft	Individual owner California	Restricted	1994-07-23	Valid
N40277	Hiller UH-12E	Rotorcraft	Northwest Helicopters I INC Olympia, Washington	Standard	1992-05-19	Valid
N4254A	Hiller UH-12A	Rotorcraft	Individual owner Michigan	Standard	1992-03-26	Valid
N4785C	Hiller UH-12B	Rotorcraft	Individual owner Arizona	Multiple	1990-08-14	Valid
N780C	Hiller UH-12C	Rotorcraft	Individual owner Nevada	Standard	1989-07-24	Valid
N180HA	Hiller UH-12E	Rotorcraft	Ambrosini Helicopters INC Fresno, California	Standard	1989-05-15	Valid
N245C	Hiller UH-12B	Rotorcraft	Individual owner New York	Restricted	1987-10-02	Valid
N6006K	Hiller UH-12E	Rotorcraft	Summit Helicopters Salem, Virginia	Standard	1983-08-26	Valid
N3751Z	Hiller UH-12E	Rotorcraft	Hiller Aviation INC Firebaugh, California	Multiple	1983-06-14	Valid
N5325V	Hiller UH-12E	Rotorcraft	Individual owner Washington	Multiple	1982-08-02	Valid
N535HA	Hiller UH-12E	Rotorcraft	Summit Helicopters INC Salem, Virginia	Multiple	1981-06-18	Valid
N7212H	Hiller UH-12B	Rotorcraft	Individual owner Wisconsin	Multiple	1980-08-21	Valid
N9063L	Hiller UH-12E	Rotorcraft	Knutson Flying Service INC Tioga, North Dakota	Standard	1979-02-21	Valid
N47077	Hiller UH-12D	Rotorcraft	Knutson Flying Service INC Tioga, North Dakota	Standard	1978-09-29	Valid
N175HA	Hiller UH-12E	Rotorcraft	Co-owned owner Oregon	Multiple	1978-08-02	Valid
N132HA	Hiller UH-12E	Rotorcraft	Sky Copters INC Westmoreland, Kansas	Standard	1978-04-25	Valid
N239SB	Hiller UH-12C	Rotorcraft	Individual owner Oregon	Standard		Sale reported
N3107G	Hiller H-23A	Rotorcraft	Zaathof Aero LLC Foristell, Missouri	Standard		Valid
N5362V	Hiller UH-12E	Rotorcraft	Individual owner Oklahoma	Standard		Sale reported
N64764	Hiller UH-12B	Rotorcraft	Individual owner California	Standard		Pending
N91556	Hiller UH-12B	Rotorcraft	Individual owner Idaho	Standard		Valid
N99579	Hiller OH-23G	Rotorcraft	Individual owner Montana	None on file		Sale reported