| Tail Number / N-Number | N891DD |
| Manufacturer | DIEHL JAMES W |
| Model | RV-7A |
| Year Built | 2012 |
| Manufacturer's Serial Number | 71976 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | O-360-A1A |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Kit Manufacturer | VANS AIRCRAFT INC |
| Kit Model | RV7A |
| Type of Registrant | Individual |
| Owner Name | DIEHL JAMES W |
| Street | 1111 AVALON PKWY |
| City | WILLIAMSPORT |
| State | PA |
| Zip Code | 17701-9357 |
| Region | Eastern |
| County | Lycoming County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2012-04-24 |
| Certificate Issue Date | 2011-02-16 |
| Last Action Date | 2022-11-01 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration |
| Mode S Code | 53044532 |
| Mode S Code Hex | AC495A |