| Type Designation | Schleicher ASK 21 |
| Manufacturer | Schleicher Segelflugzeugbau, A. |
| CoA | S.1545 |
| Issued | 1982.03.16 |
| Comp. No. | LY |
| Seq. No. |
| Builder | Schleicher Segelflugzeugbau, A. |
| Place | Poppenhausen, W.Germany |
| COR | S.02350 |
| Issued | 1986.06.11 |
| Cancelled | 1989.05.02 |
| Owner | Nordsjællands Flyveklub |
| Town | Gørløse |
| User |
| COR | S.02084 |
| Issued | 1982.03.16 |
| Cancelled | 1986.06.11 |
| Owner | Erik Johan Holten |
| Town | Allerød |
| User |
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