Piston helicopter

N146ET

1976 Hiller UH-12E

Registered 1 NTSB/FAA record
Built
1976
Serial
HA3046
Class
Piston helicopter
Engines
Allison 250 series
Status
Current as of October 2026
Registered owner
Four Creeks Aviation Inc (Corporation)
Based
Visalia, CA
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Registration record

N146ET on the FAA register

Type
1976 Hiller UH-12E
Serial
HA3046
Engines
Allison 250 series
Registered owner
Four Creeks Aviation Inc
Visalia, CA
Certificate issued
2020-01-09
Airworthiness date
1988-08-31
Registration expires
2030-01-31
Airworthiness class
Restricted
Mode S (hex)
A0B970
Mode S (octal)
50134560
Seats (type)
4
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2030-01-31
    Registration expires (renewal due).
  • 2020-01-09
    Certificate of registration issued as N146ET.
  • 2007-07-10
    Accident at Skwentna, AK; damage: substantial.
  • 1988-08-31
    Airworthiness date on the current FAA record (restricted category).
  • 1976
    Manufactured (1976).
Overview

About N146ET

N146ET is a 1976 Hiller UH-12E, serial number HA3046. The FAA register lists Four Creeks Aviation Inc as the registrant in Visalia, California. The current certificate of registration was issued on January 9, 2020 and expires on January 31, 2030.

The FAA aircraft reference file describes the type as a piston helicopter, one Allison 250 series engine and 4 seats. Its airworthiness certificate is restricted category, dated August 31, 1988.

N146ET has 1 accident/incident record on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

2007-07-10 Accident · Skwentna, AK Damage: Substantial NTSB · ANC07LA062
Reported aircraft: Hiller UH-12E
Probable cause: The pilot's failure to maintain clearance from a glacier, which resulted in a tail rotor strike during landing, and damage to the helicopter during an emergency descent/landing on rough/uneven terrain. Factors contributing to the accident were variable and gusty wind conditions.

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 California· 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.