| Tail Number / N-Number | N51HD |
| Manufacturer | DITTMAR HEINI |
| Model | CONDOR IV |
| Year Built | 1951 |
| Manufacturer's Serial Number | V2 AND V4 |
| Aircraft Type | Glider |
| 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 | NONE |
| Engine Model | NONE |
| Number of Engines | 0 engines |
| Type of Registrant | Corporation |
| Owner Name | WESTERN ANTIQUE AEROPLANE & AUTOMOBILE MUSEUM |
| Street | 1600 AIR MUSEUM RD |
| City | HOOD RIVER |
| State | OR |
| Zip Code | 97031-9800 |
| Region | Northwest Mountain |
| County | Hood River County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2005-05-04 |
| Certificate Issue Date | 2012-07-10 |
| Last Action Date | 2021-03-03 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 51457711 |
| Mode S Code Hex | A65FC9 |