| Tail Number / N-Number | N7983A |
| Manufacturer | NIEMI |
| Model | SISU 1 |
| Year Built | 1958 |
| Manufacturer's Serial Number | 100 |
| 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 |
| Average Cruising Speed | 60 miles per hour |
| Type of Registrant | Individual |
| Owner Name | KIRSCHNER CHARLES L |
| Street | 3797 PARKSIDE DR |
| City | SAN BERNARDINO |
| State | CA |
| Zip Code | 92404-1733 |
| Region | Western-Pacific |
| County | San Bernardino County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1979-09-09 |
| Certificate Issue Date | 2012-04-11 |
| Last Action Date | 2020-11-24 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 52554177 |
| Mode S Code Hex | AAD87F |