Piston helicopter

N143DM

2015 Homebuilt Calidus

Registered No accidents on file
Built
2015
Serial
C00373
Class
Piston helicopter
Engines
Rotax 912ULS series
Status
Current as of October 2026
Registered owner
Ok Av8R LLC (LLC)
Based
Iowa Park, TX
Registration record

N143DM on the FAA register

Type
2015 Homebuilt Calidus
Serial
C00373
Engines
Rotax 912ULS series
Registered owner
Ok Av8R LLC
Iowa Park, TX
Certificate issued
2023-06-02
Airworthiness date
2015-05-27
Registration expires
2030-06-30
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A0AE2C
Mode S (octal)
50127054
Seats (type)
2
Weight class
up to 12,499 lb
Kit
Autogyro Gmbh CALIDUS
Status
Current as of October 2026
Registry history

Timeline

  • 2030-06-30
    Registration expires (renewal due).
  • 2023-06-02
    Certificate of registration issued as N143DM to the current registrant.
  • 2015-05-27
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 1991-04-10
    N143DM previously assigned to a Schweizer Hughes 269C (s/n S1511); cancelled.
Overview

About N143DM

N143DM is a 2015 Homebuilt Calidus, serial number C00373. The FAA register lists Ok Av8R LLC as the registrant in Iowa Park, Texas. The current certificate of registration was issued on June 2, 2023 and expires on June 30, 2030.

The FAA aircraft reference file describes the type as a piston helicopter, one Rotax 912ULS series engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated May 27, 2015.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N143DM.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N143DM.

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

Same state

Other aircraft registered in Texas

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Similar aircraft

Other piston helicopters on the register

  • N233AG2018 Autogyro Usa Ii Calidus
  • N279AT2017 Autogyro Usa Calidus

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Browse: Aircraft registered in Texas· 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.