Glider

N421SL

2006 Schleicher ASK-21

Registered 1 NTSB/FAA record
Built
2006
Serial
21808
Class
Glider
Engines
None NONE
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Tehachapi, CA
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Registration record

N421SL on the FAA register

Type
2006 Schleicher ASK-21
Serial
21808
Engines
None NONE
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Tehachapi, CA
Certificate issued
2026-09-30
Airworthiness date
2006-03-30
Registration expires
2033-09-30
Airworthiness class
Standard · normal
Mode S (hex)
A500F1
Mode S (octal)
51200361
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2033-09-30
    Registration expires (renewal due).
  • 2026-09-30
    Certificate of registration issued as N421SL.
  • 2014-09-20
    Accident at Wurtsboro, NY; damage: substantial.
  • 2006-03-30
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N421SL

N421SL is a 2006 Schleicher ASK-21, serial number 21808. It is registered to an individual in Tehachapi, California. The current certificate of registration was issued on September 30, 2026 and expires on September 30, 2033.

The FAA aircraft reference file describes the type as a glider and 2 seats. Its airworthiness certificate is standard category (normal), dated March 30, 2006.

N421SL has 1 accident/incident record on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

2014-09-20 Accident · Wurtsboro, NY Damage: Substantial Minor injury NTSB · ERA14CA453
Reported aircraft: Schleicher Ask 21
Probable cause: A loss of lift during the landing approach, which resulted in impact with terrain.

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

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Browse: Aircraft registered in California· Registry by state· FAA registry stats

Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.