| Tail Number / N-Number | N391M |
| Manufacturer | CESSNA |
| Model | 185C |
| Year Built | 1964 |
| Manufacturer's Serial Number | 185-0684 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | I0-470 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Average Cruising Speed | 125 miles per hour |
| Type of Registrant | Government |
| Owner Name | USDA FOREST SERVICE FEPP |
| Other Names |
|
| Street | PO BOX 201601 |
| City | HELENA |
| State | MT |
| Zip Code | 59620-1601 |
| Region | Northwest Mountain |
| County | Lewis and Clark County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1964-01-10 |
| Certificate Issue Date | 1978-05-04 |
| Last Action Date | 2022-11-22 |
| Expiration Date | 2030-04-30 |
| Status | Valid Registration |
| Mode S Code | 51103623 |
| Mode S Code Hex | A48793 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N391M.
| Tail Number / N-Number | N391M |
| Manufacturer | TRAVEL AIR |
| Model | C-4000 |
| Manufacturer's Serial Number | 1311 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 79 miles per hour |
| Type of Registrant | Individual |
| Owner Name | WILSON RALPH JR |
| Street | GEN DEL |
| City | WESTHAMPTON BEACH |
| State | NY |
| Zip Code | 11978 |
| Region | Eastern |
| County | Lewis and Clark County |
| Last Status | Valid Registration |
| Cancellation Date | 1940-01-31 |