| Tail Number / N-Number | N8591 |
| Manufacturer | ALLEN |
| Model | TERN SAILPLANE |
| Year Built | 1972 |
| Manufacturer's Serial Number | GA/WTM-9-70 |
| 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 | ALLEN GEORGE W |
| Street | 1300 LABAN APT 134 |
| City | HOUMA |
| State | LA |
| Zip Code | 70360 |
| Region | Southwestern |
| County | Terrebonne Parish |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Certificate Issue Date | 1970-03-11 |
| Last Action Date | 1977-04-09 |
| Status | Certificate of Registration has been revoked |
| Mode S Code | 52745502 |
| Mode S Code Hex | ABCB42 |