N521SL — 2006 Schleicher ASK-21
Active registrationChecked against FAA & NTSB records · as of Jul 28, 2026
N521SL has no NTSB accident records on file. Registration data compiled from public FAA records as of Jul 28, 2026.
Aircraft record
- Serial number
- 21809
- Manufacturer
- Schleicher
- Model
- ASK-21
- Year
- 2006
- Category
- Glider
- Engine
- None None
- Registration
- Active
- Registered to
- Nfm Enterprises Llc — Wurtsboro, NY
Accident & incident history
No NTSB accident records on file.
Registration timeline
Ownership and registration events for this airframe (the 2006 Schleicher ASK-21).
- Aug 20, 2020registered — Nfm Enterprises Llc
Frequently asked
- Has N521SL been in an accident?
- No NTSB accident records are on file for N521SL.
- What kind of aircraft is N521SL?
- N521SL is a 2006 Schleicher ASK-21 (glider), serial number 21809.
- Who is N521SL registered to?
- N521SL is registered to Nfm Enterprises Llc of Wurtsboro, NY. Registration status: active.
The full N521SL report
$12 $29 launch pricing
- Full NTSB investigation narratives — the complete text, not just the cause line
- Pre-buy question list generated from this aircraft’s actual records
- Complete registration & deregistration timeline, print-ready
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