Single-engine piston

N121WW

2021 Homebuilt SA-300 Starduster TO

Registered No accidents on file
Built
2021
Serial
001
Class
Single-engine piston
Engines
Lycoming IO-360-C1D6
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Longmont, CO
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Registration record

N121WW on the FAA register

Type
2021 Homebuilt SA-300 Starduster TO
Serial
001
Engines
Lycoming IO-360-C1D6
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Longmont, CO
Certificate issued
2022-01-15
Airworthiness date
2026-05-02
Registration expires
2029-01-31
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A05972
Mode S (octal)
50054562
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2029-01-31
    Registration expires (renewal due).
  • 2026-05-02
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 2022-01-15
    Certificate of registration issued as N121WW to the current registrant.
  • 2021
    Manufactured (2021).
  • 2013-06-28
    N121WW previously assigned to a Cessna 172S Skyhawk SP / 172SP Skyhawk SP / 172 Skyhawk (s/n 172S10453); cancelled.
Overview

About N121WW

N121WW is a 2021 Homebuilt SA-300 Starduster TO, serial number 001. It is registered to an individual in Longmont, Colorado. The current certificate of registration was issued on January 15, 2022 and expires on January 31, 2029.

The FAA aircraft reference file describes the type as a single-engine piston, one Lycoming IO-360-C1D6 engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated May 2, 2026.

No NTSB accident or incident reports and no FAA preliminary notices are on file for this airframe as N121WW. 1 earlier record involves a different aircraft that carried the same N-number.

Safety record

Accident & incident history

1980-06-10 Accident · Osage Beach,Mo, 25 Damage: Substantial NTSB · 3 1222
Reported aircraft: Cessna 185F — a different aircraft that carried the N121WW registration before this airframe.
Probable cause: OLLIDED W/BRIDGE PIER.

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 Colorado· 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.