| Tail Number / N-Number | N851WM |
| Manufacturer | BOEING |
| Model | B75N1 |
| Year Built | 1942 |
| Manufacturer's Serial Number | 75-6851 |
| 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 | CONT MOTOR |
| Engine Model | W670 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 250 hp (187 kW) |
| Average Cruising Speed | 93 miles per hour |
| Type of Registrant | Individual |
| Owner Name | HARTNESS THOMAS P |
| Street | TRIPLE TREE AERODROME 330 MARY HANNA RD |
| City | WOODRUFF |
| State | SC |
| Zip Code | 29388-8223 |
| Region | Southern |
| County | Spartanburg County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1973-12-10 |
| Certificate Issue Date | 2010-10-06 |
| Last Action Date | 2022-10-14 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 52726417 |
| Mode S Code Hex | ABAD0F |