| Tail Number / N-Number | N9840M |
| Manufacturer | MAULE |
| Model | M-4-210C |
| Year Built | 1966 |
| Manufacturer's Serial Number | 1022C |
| 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 | CONT MOTOR |
| Engine Model | IO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Average Cruising Speed | 108 miles per hour |
| Type of Registrant | Individual |
| Owner Name | BLACKSTONE CHRISTOPHER M |
| Street | 16330 S HOLCOMB BLVD |
| City | OREGON CITY |
| State | OR |
| Zip Code | 97045-7201 |
| Region | Northwest Mountain |
| County | Clackamas County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1966-08-05 |
| Certificate Issue Date | 2022-11-28 |
| Last Action Date | 2022-11-28 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 53336144 |
| Mode S Code Hex | ADBC64 |