| Tail Number / N-Number | N81A |
| Manufacturer | BERKSHIRE MFG. CORP. |
| Model | CONCEPT 70 |
| Year Built | 1973 |
| Manufacturer's Serial Number | 10 |
| 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 | 45 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | HOLDER ROBERT W |
| Other Names |
|
| Street | PO BOX 134 |
| City | PITTSFIELD |
| State | PA |
| Zip Code | 16340-0134 |
| Region | Eastern |
| County | Warren County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1980-06-03 |
| Certificate Issue Date | 2013-12-24 |
| Last Action Date | 2022-07-15 |
| Expiration Date | 2029-12-31 |
| Status | Valid Registration |
| Mode S Code | 52603403 |
| Mode S Code Hex | AB0703 |