Piston helicopter

N4733C

Hiller UH 12 Piston Helicopters

Registered No accidents on file
Built
—
Serial
260
Class
Piston helicopter
Engines
Franklin 6V4 series
Status
Current as of October 2026
Registered owner
Taz Air Service Inc (Corporation)
Based
Middletown, DE
Registration record

N4733C on the FAA register

Type
Hiller UH 12 Piston Helicopters (FAA: Hiller UH-12A)
Serial
260
Engines
Franklin 6V4 series
Registered owner
Taz Air Service Inc
Middletown, DE
Certificate issued
2017-06-02
Airworthiness date
1964-03-13
Registration expires
2027-06-30
Airworthiness class
Standard · normal
Mode S (hex)
A5CF03
Mode S (octal)
51347403
Seats (type)
4
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2027-06-30
    Registration expires (renewal due).
  • 2017-06-02
    Certificate of registration issued as N4733C.
  • 1964-03-13
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N4733C

N4733C is a Hiller UH 12 Piston Helicopters (FAA model UH-12A), serial number 260. The FAA register lists Taz Air Service Inc as the registrant in Middletown, Delaware. The current certificate of registration was issued on June 2, 2017 and expires on June 30, 2027.

The FAA aircraft reference file describes the type as a piston helicopter, one Franklin 6V4 series engine and 4 seats. Its airworthiness certificate is standard category (normal), dated March 13, 1964.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N4733C.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N4733C.

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 Delaware· 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.