| Tail Number / N-Number | N54AC |
| Manufacturer | SCHEMPP-HIRTH |
| Model | NIMBUS 3/24.5 |
| Year Built | 1984 |
| Manufacturer's Serial Number | 58 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| 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 | Individual |
| Owner Name | CALDWELL ALEXANDER SCOTT |
| Street | 108 E GANNON DR |
| City | TULARE |
| State | CA |
| Zip Code | 93274 |
| Region | Western-Pacific |
| County | Tulare County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1984-05-08 |
| Certificate Issue Date | 1984-03-15 |
| Last Action Date | 2022-07-07 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 51552626 |
| Mode S Code Hex | A6D596 |