Piston helicopter

N912KG

2013 Homebuilt Calidus

Registered No accidents on file
Built
2013
Serial
C00259
Class
Piston helicopter
Engines
Rotax 912ULS2
Status
Current as of October 2026
Registered owner
Hftohnt Big Sky LLC (LLC)
Based
Missoula, MT
Registration record

N912KG on the FAA register

Type
2013 Homebuilt Calidus
Serial
C00259
Engines
Rotax 912ULS2
Registered owner
Hftohnt Big Sky LLC
Missoula, MT
Certificate issued
2015-08-06
Airworthiness date
2013-09-26
Registration expires
2028-08-31
Airworthiness class
Experimental · amateur-built
Mode S (hex)
AC9F01
Mode S (octal)
53117401
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2028-08-31
    Registration expires (renewal due).
  • 2015-08-06
    Certificate of registration issued as N912KG.
  • 2013-09-26
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
Overview

About N912KG

N912KG is a 2013 Homebuilt Calidus, serial number C00259. The FAA register lists Hftohnt Big Sky LLC as the registrant in Missoula, Montana. The current certificate of registration was issued on August 6, 2015 and expires on August 31, 2028.

The FAA aircraft reference file describes the type as a piston helicopter, one Rotax 912ULS2 engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated September 26, 2013.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N912KG.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N912KG.

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

Same state

Other aircraft registered in Montana

All 6,049 aircraft registered in Montana →
Similar aircraft

Other piston helicopters on the register

  • N279AT2017 Autogyro Usa Calidus
  • N233AG2018 Autogyro Usa Ii Calidus

Own N912KG?

Get a free valuation, digitize the logbooks, or list it on fyiAero.

Free valuation Logbook transcription

Browse: Aircraft registered in Montana· 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.