| Tail Number / N-Number | N940D |
| Manufacturer | STINSON |
| Model | 108-2 |
| Year Built | 1947 |
| Manufacturer's Serial Number | 108-2940 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-540 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 250 hp (187 kW) |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Individual |
| Owner Name | LEIGHTON GEORGE E |
| Street | 2831 NW 96TH |
| City | SEATTLE |
| State | WA |
| Zip Code | 98117 |
| Region | Northwest Mountain |
| County | King County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2002-08-03 |
| Certificate Issue Date | 1992-04-03 |
| Last Action Date | 2022-08-14 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 53206563 |
| Mode S Code Hex | AD0D73 |