Single-engine piston

N121K

1972 Homebuilt M-1

Registered No accidents on file
Built
1972
Serial
334
Class
Single-engine piston
Engines
Continental IO-200
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Hesston, KS
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Registration record

N121K on the FAA register

Type
1972 Homebuilt M-1
Serial
334
Engines
Continental IO-200
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Hesston, KS
Certificate issued
2024-07-04
Airworthiness date
1980-05-30
Registration expires
2031-07-31
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A0584A
Mode S (octal)
50054112
Seats (type)
1
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2031-07-31
    Registration expires (renewal due).
  • 2024-07-04
    Certificate of registration issued as N121K.
  • 1980-05-30
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 1972
    Manufactured (1972).
Overview

About N121K

N121K is a 1972 Homebuilt M-1, serial number 334. It is registered to an individual in Hesston, Kansas. The current certificate of registration was issued on July 4, 2024 and expires on July 31, 2031.

The FAA aircraft reference file describes the type as a single-engine piston, one Continental IO-200 engine and 1 seats. Its airworthiness certificate is experimental category (amateur-built), dated May 30, 1980.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N121K.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N121K.

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 Kansas· 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.