Hph Spol Sro HPH 304
6 on the U.S. register. Built from 2022 to 2025; half of them date from 2023 or earlier. Texas has the most (1). 33% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are never named here.
About the HPH 304 from the FAA's model table
- Type
- Fixed-wing, single engine · Piston singles
- Power
- Two-cycle piston, 1 engine
- Common engines
- Solo 2625 02 (4), Solo 2625 01 (1)
- Seats
- 1
- Maker on the register
- Hph Spol Sro
- Registered
- earliest certificate December 8, 2022; newest April 21, 2025
Where they are owner's state
Texas1Pennsylvania1Oregon1New Jersey1New Hampshire1Idaho1
Who owns them registrant type
Individual4 (67%)LLC2 (33%)
Versions as the FAA records them · click one to list only those aircraft
| Version | Registered | Built | Share |
|---|---|---|---|
| HPH 304TS | 6 | 2022 to 2025 | 100.0% |
When they were built by decade · 1 with no year on file
Registrations by year certificates issued since 2010, including changes of owner · 2026 is the year so far
Registration status
Valid5 (83%)Sale reported1 (17%)
Airworthiness certificate class
Experimental5 (83%)None on file1 (17%)
Biggest operators companies, schools and clubs
Pittsburgh Twin Shark Flight Academy LLC1Hph Sailplanes USA 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 Hph Spol Sro HPH 304 aircraft are registered in the U.S.?
6 as of October 2, 2026, counting 1 version the FAA records separately.
Which state has the most Hph Spol Sro HPH 304s?
Texas, with 1.
Who owns the Hph Spol Sro HPH 304?
33% 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 · 6
| Tail no. | Maker and model | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|
| N304TS | Hph Spol Sro HPH 304TS |
Individual owner New Jersey |
Experimental | 2025-04-21 | Valid |
| N229MR | Hph Spol Sro HPH 304TS |
Individual owner Texas |
Experimental | 2025-03-03 | Valid |
| N43TS | Hph Spol Sro HPH 304TS |
Pittsburgh Twin Shark Flight Academy LLC Bethel Park, Pennsylvania |
Experimental | 2023-12-04 | Valid |
| N479BH | Hph Spol Sro HPH 304TS |
Individual owner New Hampshire |
Experimental | 2023-07-10 | Valid |
| N71HA | Hph Spol Sro HPH 304TS |
Hph Sailplanes USA LLC Eagle, Idaho |
Experimental | 2022-12-08 | Valid |
| N543TS | Hph Spol Sro HPH 304TS |
Individual owner Oregon |
None on file | Sale reported |