| Tail Number / N-Number | N621AS |
| Manufacturer | SCHLEICHER |
| Model | ASW-20L |
| Year Built | 1980 |
| Manufacturer's Serial Number | 20363 |
| 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 | LONGLEY CHARLES A |
| Street | PO BOX 1621 |
| City | NOME |
| State | AK |
| Zip Code | 99762-1621 |
| Region | Alaskan |
| County | Nome Census Area |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1983-07-01 |
| Certificate Issue Date | 2019-07-19 |
| Last Action Date | 2022-04-10 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 52015005 |
| Mode S Code Hex | A81A05 |