Schleicher ASK-21
N521SL is a Schleicher ASK-21, a glider with no engine, built in 2006. It has 2 seats. It is registered to Nfm Enterprises LLC, an LLC in Wurtsboro, New York. The registration is valid: it was issued on August 20, 2020 and expires on August 31, 2027. It holds a standard airworthiness certificate for normal, dated March 30, 2006.
Aircraft
- Maker
- Schleicher
- Model
- ASK-21 · all ASK-21s and related versions
- Serial number
- 21809
- Type
- Glider
- Power
- None · None NONE
- Seats
- 2
- Year built
- 2006
- Transponder code
- A68E40 (octal 51507100)
Registration
- Status
- Valid registration
- Certificate issued
- August 20, 2020
- Expires
- August 31, 2027
- Last FAA action
- March 10, 2023
- Airworthiness
- Standard · Normal · March 30, 2006
- FAA region
- Eastern
- FAA record id
- 00241679
Owner as the FAA publishes it
- Name
- Nfm Enterprises LLC
- Type
- LLC
- Address
- 50 Barone Rd
Wurtsboro, NY 12790-5237
Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.
Documents on file 0
No bills of sale, loans or other documents are indexed against this tail number.
Records check free · 0 to understand · 5 clear
The public federal record on N521SL, read the way a buyer, lender or insurer reads it: FAA registration, prior tail numbers keyed on the serial number, reuse of the tail number, recent registry filings, and the NTSB accident record under this and every earlier registration.
Valid registration to Nfm Enterprises LLC, an LLC, certificate issued August 20, 2020, expires August 31, 2027. No fractional interest recorded. [1]
Standard certificate for normal, dated March 30, 2006, consistent with the 2006 manufacture year. [1]
No earlier tail number is recorded against serial 21809 for this model in the deregistered file. [2]
No other airframe has carried N521SL according to the deregistered file. [2]
No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file. [3]
No NTSB investigation records located under N521SL. CLEAR means the query ran and returned nothing, not that nothing ever happened. [4]
These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.
AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.
- FAA Releasable Aircraft Database, master file, file of October 2, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of October 2, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of October 2, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through August 27, 2026. data.ntsb.gov/carol-main-public/basic-search
This automated check reads the public federal record. Nothing here is a legal opinion, an appraisal or a statement about the aircraft's condition; a CLEAR line is a statement about the searched record, not the aircraft.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 2, 2026. See this record on the FAA site · This record as data