Piston helicopter

N228AK

2021 Homebuilt Calidus

Registered No accidents on file
Built
2021
Serial
C00338
Class
Piston helicopter
Engines
Rotax 914UL
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Aguila, AZ
Registration record

N228AK on the FAA register

Type
2021 Homebuilt Calidus
Serial
C00338
Engines
Rotax 914UL
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Aguila, AZ
Certificate issued
2025-10-29
Airworthiness date
2021-07-12
Registration expires
2032-10-31
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A1FEC3
Mode S (octal)
50377303
Seats (type)
2
Weight class
up to 12,499 lb
Kit
Autogyro Gmbh CALIDUS
Status
Current as of October 2026
Registry history

Timeline

  • 2032-10-31
    Registration expires (renewal due).
  • 2025-10-29
    Certificate of registration issued as N228AK.
  • 2021-07-12
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
Overview

About N228AK

N228AK is a 2021 Homebuilt Calidus, serial number C00338. It is registered to an individual in Aguila, Arizona. The current certificate of registration was issued on October 29, 2025 and expires on October 31, 2032.

The FAA aircraft reference file describes the type as a piston helicopter, one Rotax 914UL engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated July 12, 2021.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N228AK.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N228AK.

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

Same state

Other aircraft registered in Arizona

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Similar aircraft

Other piston helicopters on the register

  • N279AT2017 Autogyro Usa Calidus
  • N233AG2018 Autogyro Usa Ii Calidus

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Browse: Aircraft registered in Arizona· 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.