Ryan Aeronautical ST-A SPECIAL
9 on the U.S. register. Built from 1937 to 1940; half of them date from 1938 or earlier. Nevada has the most (2). 33% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are not named here at this time.
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About the ST-A SPECIAL from the FAA's model table
- Type
- Fixed-wing, single engine · Piston singles
- Power
- Piston (reciprocating), 1 engine
- Common engines
- Menasco Pirate C4S (6), Menasco Sup Pirt D4B (1), Menasco Pirate C4 D4 (1)
- Fuel
- 100LL avgas
- Seats
- 2
- Cruise speed
- about 92 mph
- Built of
- aluminium · The Ryan ST: an aluminium fuselage with fabric-covered wings.
- Maker on the register
- Ryan Aeronautical
- Registered
- earliest certificate June 11, 1999; newest January 27, 2026
Where they are owner's state
Who owns them registrant type
By owner type, as a table
| aircraft | share | |
|---|---|---|
| Individual | 6 | 67% |
| Corporation | 2 | 22% |
| LLC | 1 | 11% |
Versions as the FAA records them · click one to list only those aircraft
| Version | Registered | Built | Share |
|---|---|---|---|
| ST-A SPECIAL | 9 | 1937 to 1940 | 100.0% |
When they were built by decade · 2 with no year on file
Airworthiness certificate class
By airworthiness certificate, as a table
| aircraft | share | |
|---|---|---|
| Standard | 8 | 89% |
| None on file | 1 | 11% |
Biggest operators companies, schools and clubs
Largest fleets, as a table
| aircraft | |
|---|---|
| Western Antique Aeroplane & Automobile Museum | 1 |
| Simply Living LLC | 1 |
| International Air Services INC Trustee | 1 |
Fleet pages: Western Antique Aeroplane & Automobile Museum · Simply Living LLC · International Air Services INC Trustee
Accident history NTSB records · 0 cases since 1982, 0 fatal
No NTSB accident or incident records match this family's versions. Each aircraft's own page also shows its record. How models compare: Accidents by model in Aviation Analytics.
Questions people ask answers refresh every morning
How many Ryan Aeronautical ST-A SPECIAL aircraft are registered in the U.S.?
9 as of November 13, 2026, counting 1 version the FAA records separately.
Which state has the most Ryan Aeronautical ST-A SPECIALs?
Nevada, with 2.
Who owns the Ryan Aeronautical ST-A SPECIAL?
33% are registered to companies, flight schools, clubs and other organisations; the rest to individuals and co-owners, who are not named on this site at this time.
When were the Ryan Aeronautical ST-A SPECIALs on the register built?
Between 1937 and 1940; half of them in 1938 or earlier.
What is the Ryan Aeronautical ST-A SPECIAL made of?
The airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. The Ryan ST: an aluminium fuselage with fabric-covered wings. The FAA's type certificate data sheet is the authority for any one model.
What the FAA has certified, ordered and been told about the Ryan Aeronautical ST-A SPECIAL the component layer
The airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. The Ryan ST: an aluminium fuselage with fabric-covered wings. The design is held under 1 type certificate (ATC 681, held by Ryan Aeronautical Company). No FAA order in the current files names this model. 3 approved modifications exist for it, the most by Electronics International.
Approved modifications 3 supplemental type certificates
Changes the FAA has approved for this design, from new avionics and engines to floats and parachutes. The companies holding the most:
Latest
Certificates and bulletins
Sources: the FAA's type certificate data sheets, airworthiness directives, supplemental type certificates, special conditions and special airworthiness information bulletins (Dynamic Regulatory System), and the FAA's service difficulty reports. A failure report is what an operator or repair station chose to file; the counts show reporting as much as reliability, and larger and commercial fleets report more. How the systems are grouped.
Connections how the ST-A SPECIAL links to the rest of the register
- Ryan Aeronautical 168 aircraft on the register
- Ryan Aeronautical ST-A SPECIAL 9 registered
- Built of aluminium · The Ryan ST: an aluminium fuselage with fabric-covered wings.
- Menasco PIRATE C4S 6 of these aircraft · 150 hp
- Menasco SUP PIRT D4B 1 of these aircraft · 160 hp
- Menasco PIRATE C4 D4 1 of these aircraft · 125 hp
- Nevada 2 of these aircraft
- Florida 2 of these aircraft
- Pennsylvania 1 of these aircraft
- Oregon 1 of these aircraft
- Montana 1 of these aircraft
- Western Antique Aeroplane & Automobile Museum 1 of these aircraft
- Simply Living LLC 1 of these aircraft
- International Air Services INC Trustee 1 of these aircraft
- NTSB accidents and incidents involving the ST-A SPECIAL 0 cases since 1982 · 0 fatal
- Approved modifications for the ST-A SPECIAL 3 supplemental type certificates
The whole map of how records connect · these connections as data: /graph/model/ryan-aeronautical/st-a-special.json.
Aircraft newest certificates first · 9
| Tail no. | Maker and model | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|
| N17343 | Ryan Aeronautical ST-A SPECIAL |
International Air Services INC Trustee Carson City, Nevada |
Standard | 2026-01-27 | ValidFAA registration status code V: Valid registration. All codes |
| N18905 | Ryan Aeronautical ST-A SPECIAL |
Individual owner Florida |
None on file | 2026-01-05 | ValidFAA registration status code V: Valid registration. All codes |
| N18921 | Ryan Aeronautical ST-A SPECIAL |
Individual owner Nevada |
Standard | 2024-10-04 | ValidFAA registration status code V: Valid registration. All codes |
| N17348 | Ryan Aeronautical ST-A SPECIAL |
Individual owner Montana |
Standard | 2023-08-09 | ValidFAA registration status code V: Valid registration. All codes |
| N17368 | Ryan Aeronautical ST-A SPECIAL |
Western Antique Aeroplane & Automobile Museum Hood River, Oregon |
Standard | 2018-05-18 | ValidFAA registration status code V: Valid registration. All codes |
| N17360 | Ryan Aeronautical ST-A SPECIAL |
Simply Living LLC Fort Myers, Florida |
Standard | 2017-04-18 | ValidFAA registration status code V: Valid registration. All codes |
| N17350 | Ryan Aeronautical ST-A SPECIAL |
Individual owner Pennsylvania |
Standard | 2012-07-03 | ValidFAA registration status code V: Valid registration. All codes |
| N18904 | Ryan Aeronautical ST-A SPECIAL |
Individual owner Missouri |
Standard | 2007-12-03 | ValidFAA registration status code V: Valid registration. All codes |
| N8146 | Ryan Aeronautical ST-A SPECIAL |
Individual owner Illinois |
Standard | 1999-06-11 | ValidFAA registration status code V: Valid registration. All codes |