Single-engine piston

N921SM

2019 Homebuilt AL18

Registered No accidents on file
Built
2019
Serial
AL-921
Class
Single-engine piston
Engines
Continental OX-340 series
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Lincoln, CA
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Registration record

N921SM on the FAA register

Type
2019 Homebuilt AL18
Serial
AL-921
Engines
Continental OX-340 series
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Lincoln, CA
Certificate issued
2019-09-13
Airworthiness date
2019-09-20
Registration expires
2029-09-30
Airworthiness class
Experimental · amateur-built
Mode S (hex)
ACC37D
Mode S (octal)
53141575
Seats (type)
2
Weight class
up to 12,499 lb
Kit
American Legend Aircraft Co AL18
Status
Current as of October 2026
Registry history

Timeline

  • 2029-09-30
    Registration expires (renewal due).
  • 2019-09-20
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 2019-09-13
    Certificate of registration issued as N921SM.
Overview

About N921SM

N921SM is a 2019 Homebuilt AL18, serial number AL-921. It is registered to an individual in Lincoln, California. The current certificate of registration was issued on September 13, 2019 and expires on September 30, 2029.

The FAA aircraft reference file describes the type as a single-engine piston, one Continental OX-340 series engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated September 20, 2019.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N921SM.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N921SM.

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.