| Tail Number / N-Number | N146CM |
| Manufacturer | BOEING |
| Model | A75N1(PT17) |
| Year Built | 1942 |
| Manufacturer's Serial Number | 75-3268 |
| 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 | P&W |
| Engine Model | R-985 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 450 hp (336 kW) |
| Average Cruising Speed | 93 miles per hour |
| Type of Registrant | Individual |
| Owner Name | MARTIN JAMES D |
| Street | PO BOX 707 |
| City | SPRING GROVE |
| State | IL |
| Zip Code | 60081-0707 |
| Region | Great Lakes |
| County | McHenry County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1994-05-06 |
| Certificate Issue Date | 1999-06-11 |
| Last Action Date | 2020-02-27 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 50134470 |
| Mode S Code Hex | A0B938 |