Turbine helicopter

N14MH

1966 Bell TH-1F

Registered No accidents on file
Built
1966
Serial
66-1238
Class
Turbine helicopter
Engines
Ge CT58 series
Status
Current as of October 2026
Registered owner
Sierra Aeronautics LLC (LLC)
Based
Franklin, KY
Registration record

N14MH on the FAA register

Type
1966 Bell TH-1F
Serial
66-1238
Engines
Ge CT58 series
Registered owner
Sierra Aeronautics LLC
Franklin, KY
Certificate issued
2025-01-08
Airworthiness date
1993-07-09
Registration expires
2032-01-31
Airworthiness class
Restricted
Mode S (hex)
A0A172
Mode S (octal)
50120562
Seats (type)
6
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2032-01-31
    Registration expires (renewal due).
  • 2025-01-08
    Certificate of registration issued as N14MH to the current registrant.
  • 1993-07-09
    Airworthiness date on the current FAA record (restricted category).
  • 1989-03-15
    N14MH previously assigned to a Aero Commander 680FL P (s/n 148911); cancelled.
  • 1966
    Manufactured (1966).
Overview

About N14MH

N14MH is a 1966 Bell TH-1F, serial number 66-1238. The FAA register lists Sierra Aeronautics LLC as the registrant in Franklin, Kentucky. The current certificate of registration was issued on January 8, 2025 and expires on January 31, 2032.

The FAA aircraft reference file describes the type as a turbine helicopter, one Ge CT58 series engine and 6 seats. Its airworthiness certificate is restricted category, dated July 9, 1993.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N14MH.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N14MH.

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

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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.