| Tail Number / N-Number | N6691Q |
| Manufacturer | GRUMMAN ACFT ENG COR-SCHWEIZER |
| Model | G-164B |
| Year Built | 1977 |
| Manufacturer's Serial Number | 216B |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | R-985 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 450 hp (336 kW) |
| Average Cruising Speed | 80 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | AG AVIATION SERVICE INC |
| Street | PO BOX 343 |
| City | ELKHORN |
| State | WI |
| Zip Code | 53121-0343 |
| Region | Great Lakes |
| County | Walworth County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 1977-03-10 |
| Certificate Issue Date | 1993-09-10 |
| Last Action Date | 2020-12-07 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 52154062 |
| Mode S Code Hex | A8D832 |