| Tail Number / N-Number | N248ST |
| Manufacturer | THOMAS STEPHEN |
| Model | GLASAIR SUPER II RG |
| Year Built | 2010 |
| Manufacturer's Serial Number | 001 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | MISTRAL |
| Engine Model | G-190 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 190 hp (142 kW) |
| Kit Manufacturer | GLASAIR AVIATION LLC |
| Kit Model | SUPER II-RG |
| Type of Registrant | LLC |
| Owner Name | 248 SIERRA TANGO LLC |
| Street | 17501 113TH AVE N |
| City | MAPLE GROVE |
| State | MN |
| Zip Code | 55369-9292 |
| Region | Great Lakes |
| County | Hennepin County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2010-05-03 |
| Certificate Issue Date | 2022-05-24 |
| Last Action Date | 2022-05-24 |
| Expiration Date | 2029-05-31 |
| Status | Valid Registration |
| Mode S Code | 50447531 |
| Mode S Code Hex | A24F59 |