Tail CardsExplore / Schleicher / Schleicher ASK-21
N521SL trading card
Ultra Rare 2006 Schleicher ASK-21, one of 43 registered in the US.
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N521SL is a Schleicher ASK-21 built in 2006, registered in the United States. It is one of 43 of its model registered in the United States, so its card is ultra rare. It seats 2. Turn it into a custom trading card with your own photo: we print standard 2.5 by 3.5 inch cards and mail them to you.
| Class | Glider |
|---|---|
| Built | 2006 |
| Serial | 21809 |
| Seats | 2 |
| Weight class | Under 12,500 lb |
| Airworthy since | Mar 30, 2006 |
| Mode S code | A68E40 |
| Registration | Valid |
Details as of 2026-10-23. Is this your aircraft and you would rather it not appear here? Ask us to remove it.