Hiller H-23
8 on the U.S. register across 3 versions the FAA records separately. Built from 1942 to 1972; half of them date from 1959 or earlier. Texas has the most (4). 62% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are never named here.
About the H-23 from the FAA's model table
- Type
- Rotorcraft · Helicopters
- Power
- Piston (reciprocating), 1 engine
- Common engines
- Lycoming Vo-435 Series (1), Franklin 6V4 Series (1), Franklin 6A4200 Series (1)
- Seats
- 4
- Cruise speed
- about 75 mph
- Maker on the register
- Hiller
- Registered
- earliest certificate September 10, 1998; newest December 17, 2019
Where they are owner's state
Who owns them registrant type
Versions as the FAA records them · click one to list only those aircraft
When they were built by decade · 2 with no year on file
Registrations by year certificates issued since 2010, including changes of owner · 2026 is the year so far
Registration status
Airworthiness certificate class
Biggest operators companies, schools and clubs
Fleet pages: Sarah Business LLC · Fort Wolters Helicopter INC
Accident history NTSB records · 3 cases since 1982, 0 fatal
The 3 most recent of 3 cases where the NTSB's make and model match this family's versions. Rates per registered aircraft, phases of flight and causes are coming with the analytics stage. Each aircraft's own page also shows its record.
Questions people ask answers refresh every morning
How many Hiller H-23 aircraft are registered in the U.S.?
8 as of October 2, 2026, counting 3 versions the FAA records separately.
Which state has the most Hiller H-23s?
Texas, with 4.
Who owns the Hiller H-23?
62% are registered to companies, flight schools, clubs and other organisations; the rest to individuals and co-owners, who are never named on this site.
Aircraft newest certificates first · 1 H-23A (all versions)
| Tail no. | Maker and model | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|
| N3107G | Hiller H-23A |
Zaathof Aero LLC Foristell, Missouri |
Standard | Valid |