Piston helicopter

N9734C

1956 Hiller UH-12C

Registered 2 NTSB/FAA records
Built
1956
Serial
840
Class
Piston helicopter
Engines
Franklin 6V 350 series
Status
Current as of October 2026
Registered owner
Hillsboro Capital Inc (Corporation)
Based
Hillsboro, TN
What's N9734C worth? Track flights
Registration record

N9734C on the FAA register

Type
1956 Hiller UH-12C
Serial
840
Engines
Franklin 6V 350 series
Registered owner
Hillsboro Capital Inc
Hillsboro, TN
Certificate issued
2018-07-09
Airworthiness date
1965-07-02
Registration expires
2028-07-31
Airworthiness class
Multiple
Mode S (hex)
AD91B1
Mode S (octal)
53310661
Seats (type)
4
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2028-07-31
    Registration expires (renewal due).
  • 2018-07-09
    Certificate of registration issued as N9734C.
  • 1973-06-28
    Accident at Salinas,Calif, 05; damage: destroyed.
  • 1972-09-12
    Accident at Brentwood,Calif, 05; damage: minor.
  • 1965-07-02
    Airworthiness date on the current FAA record (multiple category).
  • 1956
    Manufactured (1956).
Overview

About N9734C

N9734C is a 1956 Hiller UH-12C, serial number 840. The FAA register lists Hillsboro Capital Inc as the registrant in Hillsboro, Tennessee. The current certificate of registration was issued on July 9, 2018 and expires on July 31, 2028.

The FAA aircraft reference file describes the type as a piston helicopter, one Franklin 6V 350 series engine and 4 seats. Its airworthiness certificate is multiple category, dated July 2, 1965.

N9734C has 2 accident/incident records on file (most serious damage: destroyed); details are below.

Safety record

Accident & incident history

1973-06-28 Accident · Salinas,Calif, 05 Damage: Destroyed NTSB · 3 2233
Reported aircraft: Hiller Acft UH-12C
Probable cause: COUNTER BALANCE STUDS.
1972-09-12 Accident · Brentwood,Calif, 05 Damage: Minor NTSB · 3 3791
Reported aircraft: Hiller Acft UH-12C
Probable cause: NESTERASE CK NOT PERFORMED.

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

Same model

More Hiller UH-12C aircraft

N10728
1956 Hiller UH-12C
N156PT
1956 Hiller UH-12C
N239SB
1956 Hiller UH-12C
N469DW
1956 Hiller UH-12C
N5315V
1956 Hiller UH-12C
N5317V
1956 Hiller UH-12C
N5320V
1956 Hiller UH-12C
N5321V
1956 Hiller UH-12C
All 31 Hiller UH-12C registrations →
Same state

Other aircraft registered in Tennessee

N972FE
1988 Cessna Caravan 208B Grand
N972JB
2006 Cirrus SR22-G2
N9731K
1977 Piper Seneca II
N9737Q
1971 Beechcraft A24R Sierra 200
N9739R
1959 Beechcraft M35 Bonanza
N9739X
DJI Agras T40
All 6,522 aircraft registered in Tennessee →
Similar aircraft

Other piston helicopters on the register

  • N739091962 Bell 47G-3B-1
  • N9608F1970 Schweizer 269C Piston Helicopters
  • N885SF2009 Guimbal Cabri G2
  • N17BZ1981 Enstrom F28F
  • N704T2004 Robinson R44 RAVEN II Piston Helicopters
  • N147CG1956 Bell 47G
More from Hiller

Hiller models on the register

Own N9734C?

Get a free valuation, digitize the logbooks, or list it on fyiAero.

Free valuation Logbook transcription

Browse: Aircraft registered in Tennessee· 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.