| Tail Number / N-Number | N2778Q |
| Manufacturer | INTERSTATE |
| Model | S-1B1 |
| Manufacturer's Serial Number | 91 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | FRANKLIN |
| Engine Model | 4ACG199H3 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 113 hp (84 kW) |
| Average Cruising Speed | 87 miles per hour |
| Type of Registrant | Individual |
| Owner Name | BERESFORD DAVID M |
| Street | 10290 CINDY JO AVE |
| City | HUNTLEY |
| State | IL |
| Zip Code | 60142-6903 |
| Region | Great Lakes |
| County | McHenry County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1989-05-19 |
| Certificate Issue Date | 2007-03-13 |
| Last Action Date | 2022-10-31 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 50541774 |
| Mode S Code Hex | A2C3FC |