Piston helicopter

N6744C

Hiller UH 12B Piston Helicopters

Registered 2 NTSB/FAA records
Built
—
Serial
556
Class
Piston helicopter
Engines
Franklin 6VS-335 series
Status
Current as of October 2026
Registered owner
Kiska Farms Inc (Corporation)
Based
Pasco, WA
Registration record

N6744C on the FAA register

Type
Hiller UH 12B Piston Helicopters (FAA: Hiller UH-12B)
Serial
556
Engines
Franklin 6VS-335 series
Registered owner
Kiska Farms Inc
Pasco, WA
Certificate issued
2023-04-14
Airworthiness date
1968-06-28
Registration expires
2030-04-30
Airworthiness class
Multiple
Mode S (hex)
A8ED7B
Mode S (octal)
52166573
Seats (type)
4
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2030-04-30
    Registration expires (renewal due).
  • 2023-04-14
    Certificate of registration issued as N6744C.
  • 1974-06-02
    Accident at Custar,Ohio, 35; damage: destroyed.
  • 1973-05-28
    Accident at Guymon,Okla, 36; damage: substantial.
  • 1968-06-28
    Airworthiness date on the current FAA record (multiple category).
Overview

About N6744C

N6744C is a Hiller UH 12B Piston Helicopters (FAA model UH-12B), serial number 556. The FAA register lists Kiska Farms Inc as the registrant in Pasco, Washington. The current certificate of registration was issued on April 14, 2023 and expires on April 30, 2030.

The FAA aircraft reference file describes the type as a piston helicopter, one Franklin 6VS-335 series engine and 4 seats. Its airworthiness certificate is multiple category, dated June 28, 1968.

N6744C has 2 accident/incident records on file (most serious damage: destroyed); details are below.

Safety record

Accident & incident history

1974-06-02 Accident · Custar,Ohio, 35 Damage: Destroyed NTSB · 3 2250
Reported aircraft: Hiller Acft UH-12B
1973-05-28 Accident · Guymon,Okla, 36 Damage: Substantial NTSB · 3 1372
Reported aircraft: Hiller UH-12B
Probable cause: TUCK.ENG OVERBOOST,PLT CUT IGN.LINKAGE OUT OF RIG.

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 Washington· 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.