Glider

N21SX

1993 Homebuilt STD CLS Amer SPIRIT

Registered No accidents on file
Built
1993
Serial
11
Class
Glider
Engines
None NONE
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Momence, IL
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Registration record

N21SX on the FAA register

Type
1993 Homebuilt STD CLS Amer SPIRIT
Serial
11
Engines
None NONE
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Momence, IL
Certificate issued
2018-09-04
Airworthiness date
1999-04-16
Registration expires
2028-09-30
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A1B8CF
Mode S (octal)
50334317
Seats (type)
1
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2028-09-30
    Registration expires (renewal due).
  • 2018-09-04
    Certificate of registration issued as N21SX.
  • 1999-04-16
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 1993
    Manufactured (1993).
Overview

About N21SX

N21SX is a 1993 Homebuilt STD CLS Amer SPIRIT, serial number 11. It is registered to an individual in Momence, Illinois. The current certificate of registration was issued on September 4, 2018 and expires on September 30, 2028.

The FAA aircraft reference file describes the type as a glider and 1 seats. Its airworthiness certificate is experimental category (amateur-built), dated April 16, 1999.

No NTSB accident or incident reports and no FAA preliminary notices are on file for this airframe as N21SX. 1 earlier record involves a different aircraft that carried the same N-number.

Safety record

Accident & incident history

1990-09-07 Accident · Memphis, TN Damage: Substantial Serious injury NTSB · ATL90LA168
Reported aircraft: Schleicher ASK-21 — a different aircraft that carried the N21SX registration before this airframe.
Probable cause: AN INFLIGHT COLLISION WITH A TREE DUE TO MISJUDGING HIS GLIDEPATH.

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 Illinois· 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.