| Tail Number / N-Number | N685GA |
| Manufacturer | ARMSTRONG GARY J |
| Model | MONTANA COYOTE PR 1 |
| Year Built | 1991 |
| Manufacturer's Serial Number | 1004 |
| 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 | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | ARMSTRONG GARY J |
| Street | 1623 EAST LN |
| City | BILLINGS |
| State | MT |
| Zip Code | 59101-6328 |
| Region | Northwest Mountain |
| County | Yellowstone County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1993-03-22 |
| Certificate Issue Date | 1993-07-20 |
| Last Action Date | 2020-06-14 |
| Expiration Date | 2027-11-30 |
| Status | Valid Registration |
| Mode S Code | 52213141 |
| Mode S Code Hex | A91661 |