| Registration Letters | OY-TRX |
| Manufacturers's serial number | 21853 |
| Year Built | 2009 |
| Registration Date | 2009.05.13 |
| Previous Identities | |
| Cancelled | |
| Fate |
| Type Designation | Schleicher ASK 21 |
| Manufacturer | Schleicher Segelflugzeugbau, A. |
| CoA | E1451 |
| Issued | 2009.05.14 |
| Comp. No. | TR |
| Seq. No. |
| Builder | Schleicher Segelflugzeugbau, A. |
| Place | Poppenhausen, W.Germany |
| COR | S.15730 |
| Issued | 2009.05.13 |
| Cancelled | |
| Owner | Århus Svæveflyveklub |
| Town | Århus |
| User |
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