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FAA aircraft registration

N521SL

SCHLEICHER ASK-21 · 2006 · Valid

N521SL is a SCHLEICHER ASK-21 (year 2006), valid on the FAA registry as of 2026-07-12. Owner type: entity. No NTSB accident or incident matches this tail in our snapshot. Source: FAA Releasable Aircraft Database.

Snapshot date: 2026-07-12 · Source: registry.faa.gov

Registration

Status
Valid
Serial number
21809
Issued
—
Expires
—
Type aircraft
Fixed wing single-engine
State
NY

Registered owner

NFM ENTERPRISES LLC

WURTSBORO, NY

Source: FAA Releasable Aircraft Database. Entity owners are shown without redaction; individual owners are redacted by default.

Ownership timeline
  • CurrentNFM ENTERPRISES LLCsince —
  • Earlier owners are reconstructed from successive FAA snapshots and shown when our archive has at least two transitions for this tail.
Accident or incident history(0 matches)

No NTSB CAROL record matches N521SL in our snapshot. The official NTSB search may show later filings. Open NTSB CAROL.

Applicable Airworthiness Directives(0 on the make-model list)

AD applicability depends on serial range, engine, and propeller. Use the FAA AD library or your A&P mechanic for a definitive applicability list for N521SL.

Type certificate

SCHLEICHER ASK-21 is governed by the FAA Type Certificate Data Sheet for the SCHLEICHER family. The TCDS is the authoritative reference for engine, weight, and equipment configuration.

Nearby N-numbers

Registrations that share the N521S block.

Search another tail

Or browse the FAA registry hub and Cessna 172 AD list.

Sources

N521SL — SCHLEICHER ASK-21 (2006)