| Tail Number / N-Number | N8691D |
| Pending N-Number Change | N795AK |
| Manufacturer | PIPER |
| Model | PA-18 |
| Year Built | 1958 |
| Manufacturer's Serial Number | 18-6297 |
| 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 | LYCOMING |
| Engine Model | 0-360-A1D |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 97 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | FIRN LINE AVIATION INC |
| Street | 6870 S MEYERS CIR |
| City | WASILLA |
| State | AK |
| Zip Code | 99623-0054 |
| Region | Alaskan |
| County | Yukon-Koyukuk Census Area |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 1992-07-20 |
| Certificate Issue Date | 2021-06-10 |
| Last Action Date | 2021-06-10 |
| Expiration Date | 2028-06-30 |
| Status | Valid Registration |
| Mode S Code | 52771305 |
| Mode S Code Hex | ABF2C5 |