The Ryan ST-A Special (ICAO type RYST) is an aircraft of United States origin. It has a maximum take-off weight of 800 kg. It offers a maximum range of 310 nm, a cruise speed of 110 knots, a service ceiling of 17,500 ft and seating for up to 2 across its variants.
Ryan ST-A Special

Fleet & certification
- Built
- 9
- Active
- 9
- Origin
- United States
Per-variant specifications
| Variant | Engine | MTOW | Range | Cruise | Pax |
|---|---|---|---|---|---|
| ST-A Special ST-A Special | — | 800 kg | 310 nm | 110 kt | 2 |
The FAA paperwork
TCDS ATC 681
The FAA-issued Type Certificate for this model is on file (TCDS ATC 681), but we haven't yet extracted the structured spec values.
Read the TCDS (PDF) →Where to look next
Ryan ST-A Special market & fleet intelligence
Registry, flight-tracking and market data on the Ryan ST-A Special fleet — updated daily.
2changed registration in 12 months
2 of the 9 registered Ryan ST-A Special we track changed registration in the last 12 months, across 2 registration events. Registration changes include ownership transfers, re-registrations and address updates — not all are sales.
What is the range of the Ryan ST-A Special?
The Ryan ST-A Special has a maximum range of 310 nautical miles across variants.
How many people can the Ryan ST-A Special carry?
The Ryan ST-A Special seats up to 2 across its variants.
What is the MTOW of the Ryan ST-A Special?
The Ryan ST-A Special's maximum take-off weight is 800 kg.
What is the ICAO type designator for the Ryan ST-A Special?
The Ryan ST-A Special's ICAO type designator is RYST.
How many Ryan ST-A Special aircraft are registered worldwide?
Sprinkle tracks 9 registered Ryan ST-A Special airframes worldwide.
Registered ST-A Special aircraft
Individual ST-A Special airframes by tail number — registration history, operator and lineage.