| Tail Number / N-Number | N3686A |
| Manufacturer | PIPER |
| Model | PA-18A-135 |
| Year Built | 1953 |
| Manufacturer's Serial Number | 18-3034 |
| 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 | 0-290 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 140 hp (104 kW) |
| Average Cruising Speed | 97 miles per hour |
| Type of Registrant | Individual |
| Owner Name | JOHNSON DONALD E |
| Street | 7400 HIGHWAY 41 NORTH |
| City | DILLON |
| State | MT |
| Zip Code | 59725 |
| Region | Northwest Mountain |
| County | Beaverhead County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Restricted |
| Certificate Issue Date | 2010-03-09 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-04-30 |
| Status | Valid Registration |
| Mode S Code | 51026457 |
| Mode S Code Hex | A42D2F |