Helio H-391
16 on the U.S. register. Built from 1954 to 1958; half of them date from 1956 or earlier. Michigan has the most (4). 12% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are never named here.
About the H-391 from the FAA's model table
- Type
- Fixed-wing, single engine · Piston singles
- Power
- Piston (reciprocating), 1 engine
- Common engines
- Lycoming Go-435C&D Ser (8), Lycoming Go-435 (5), Lycoming Go-435-C2B2 (1)
- Seats
- 4
- Cruise speed
- about 117 mph
- Maker on the register
- Helio
- Registered
- earliest certificate March 3, 1978; newest September 17, 2026
Where they are owner's state
Michigan4Washington3Alaska3Vermont2California2Florida1Colorado1
Who owns them registrant type
Individual13 (81%)LLC2 (12%)Co-owned1 (6%)
Versions as the FAA records them · click one to list only those aircraft
| Version | Registered | Built | Share |
|---|---|---|---|
| H-391B | 16 | 1954 to 1958 | 100.0% |
When they were built by decade · 4 with no year on file
Registrations by year certificates issued since 2010, including changes of owner · 2026 is the year so far
Registration status
Valid15 (94%)Pending1 (6%)
Airworthiness certificate class
Standard13 (81%)None on file2 (12%)Multiple1 (6%)
Biggest operators companies, schools and clubs
N62Hc LLC1Discovery Bay Aviation LLC1
Accident history NTSB
Each aircraft's own page already shows its NTSB accident and incident record. The model-wide record (accidents per year, fatal and non-fatal, against the number registered) is being added; it will appear here.
Questions people ask answers refresh every morning
How many Helio H-391 aircraft are registered in the U.S.?
16 as of October 2, 2026, counting 1 version the FAA records separately.
Which state has the most Helio H-391s?
Michigan, with 4.
Who owns the Helio H-391?
12% 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 · 16
| Tail no. | Maker and model | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|
| N565JS | Helio H-391B |
Individual owner Alaska |
Standard | 2026-09-17 | Valid |
| N62HC | Helio H-391B |
N62Hc LLC Nunica, Michigan |
None on file | 2025-09-15 | Valid |
| N10CJ | Helio H-391B |
Individual owner Alaska |
Standard | 2024-05-23 | Valid |
| N173K | Helio H-391B |
Individual owner Alaska |
Standard | 2023-09-07 | Valid |
| N289LM | Helio H-391B |
Individual owner Colorado |
Standard | 2023-01-17 | Valid |
| N4120D | Helio H-391B |
Individual owner Vermont |
Multiple | 2022-10-19 | Valid |
| N242B | Helio H-391B |
Individual owner Vermont |
Standard | 2022-09-16 | Valid |
| N4138D | Helio H-391B |
Co-owned owner California |
Standard | 2022-05-10 | Valid |
| N12620 | Helio H-391B |
Individual owner Michigan |
Standard | 2020-08-08 | Valid |
| N4139D | Helio H-391B |
Individual owner Washington |
Standard | 2014-12-15 | Valid |
| N8750R | Helio H-391B |
Discovery Bay Aviation LLC Port Townsend, Washington |
Standard | 2014-03-14 | Valid |
| N888W | Helio H-391B |
Individual owner California |
Standard | 2000-02-17 | Valid |
| N4431U | Helio H-391B |
Individual owner Michigan |
None on file | 1997-03-31 | Valid |
| N4119D | Helio H-391B |
Individual owner Michigan |
Standard | 1978-09-12 | Valid |
| N4123D | Helio H-391B |
Individual owner Washington |
Standard | 1978-03-03 | Valid |
| N4121D | Helio H-391B |
Individual owner Florida |
Standard | Pending |