| Tail Number / N-Number | N300DV |
| Manufacturer | GLASER DIRKS |
| Model | DG 300 |
| Year Built | 1984 |
| Manufacturer's Serial Number | 3E-55 |
| 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 | Corporation |
| Owner Name | MIDDLELINE AVIATION INC |
| Street | 2017 BARRETT RD |
| City | BALLSTON SPA |
| State | NY |
| Zip Code | 12020-2816 |
| Region | Eastern |
| County | Saratoga County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1985-02-12 |
| Certificate Issue Date | 2019-03-01 |
| Last Action Date | 2021-10-24 |
| Expiration Date | 2029-03-31 |
| Status | Valid Registration |
| Mode S Code | 50617661 |
| Mode S Code Hex | A31FB1 |