Piston helicopter

N16643

1952 Hiller UH 12B Piston Helicopters

Registered No accidents on file
Built
1952
Serial
346
Class
Piston helicopter
Engines
Ama/Expr UNKNOWN ENG
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Bigfork, MT
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Registration record

N16643 on the FAA register

Type
1952 Hiller UH 12B Piston Helicopters (FAA: Hiller UH-12B)
Serial
346
Engines
Ama/Expr UNKNOWN ENG
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Bigfork, MT
Certificate issued
2024-07-16
Airworthiness date
1975-01-10
Registration expires
2031-07-31
Airworthiness class
Standard · normal
Mode S (hex)
A10AF8
Mode S (octal)
50205370
Seats (type)
4
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2031-07-31
    Registration expires (renewal due).
  • 2024-07-16
    Certificate of registration issued as N16643.
  • 1975-01-10
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1952
    Manufactured (1952).
Overview

About N16643

N16643 is a 1952 Hiller UH 12B Piston Helicopters (FAA model UH-12B), serial number 346. It is registered to an individual in Bigfork, Montana. The current certificate of registration was issued on July 16, 2024 and expires on July 31, 2031.

The FAA aircraft reference file describes the type as a piston helicopter, one Ama/Expr UNKNOWN ENG engine and 4 seats. Its airworthiness certificate is standard category (normal), dated January 10, 1975.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N16643.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N16643.

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 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.