| Tail Number / N-Number | N256DM |
| Manufacturer | PIPER |
| Model | PA-32RT-300 |
| Year Built | 1978 |
| Manufacturer's Serial Number | 32R-7885028 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | IO-540 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Type of Registrant | Corporation |
| Owner Name | SIGMA SEVEN RESEARCH & DEVELOPMENT LLC |
| Street | 1851 BEACH AVE |
| City | ATLANTIC BEACH |
| State | FL |
| Zip Code | 32233-5938 |
| Region | Southern |
| County | Duval County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 2019-04-05 |
| Last Action Date | 2021-11-15 |
| Expiration Date | 2029-04-30 |
| Status | Valid Registration |
| Mode S Code | 50467037 |
| Mode S Code Hex | A26E1F |