| Tail Number / N-Number | N991DM |
| Manufacturer | CESSNA |
| Model | 337D |
| Year Built | 1969 |
| Manufacturer's Serial Number | 33701177 |
| Aircraft Type | Fixed wing multi 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 | IO-360-CB |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 210 hp (157 kW) |
| Total Horsepower | 420 hp (313 kW) |
| Average Cruising Speed | 142 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | AIRCRAFT REGISTRATION INC TRUSTEE |
| Street | INDUSTRIEZONE 7 |
| City | KEMATEN |
| Zip Code | 6175 |
| Region | European |
| Country | AT |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2011-06-29 |
| Certificate Issue Date | 2021-12-23 |
| Last Action Date | 2021-12-23 |
| Expiration Date | 2028-12-31 |
| Status | Valid Registration |
| Mode S Code | 53353261 |
| Mode S Code Hex | ADD6B1 |