The U.S. aircraft register, updated daily
Models · Hiller · Helicopters · data as of October 30, 2026

Hiller UH-12

217 on the U.S. register across 9 versions the FAA records separately. Built from 1949 to 1996; half of them date from 1960 or earlier. Texas has the most (42). 58% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are not named here at this time.

Hiller UH-12: Family of light helicopters
Photo: U.S. Army, Public domain, via Wikimedia Commons · Hiller OH-23 Raven on Wikipedia

About the UH-12 from the FAA's model table

Type
Rotorcraft · Helicopters
Power
Piston (reciprocating), 1 engine
Common engines
Lycoming Vo-540 Series (53), Franklin 6V4 Series (27), Allison 250 Series (14)
Seats
4
Cruise speed
about 72 mph
Built of
steel tube and aluminium
Maker on the register
Hiller
Registered
earliest certificate April 25, 1978; newest October 24, 2026

Versions as the FAA records them · click one to list only those aircraft

VersionRegisteredBuiltShare
UH-12E1031958 to 199647.5%
UH-12B351950 to 196316.1%
UH-12C311955 to 195914.3%
UH-12D221957 to 197610.1%
UH-12A161949 to 19627.4%
UH-12E441966 to 19761.8%
UH-12L4319661.4%
UH-1221949 to 19610.9%
UH-12E-L1—0.5%

When they were built by decade · 68 with no year on file

By decade built, as a table
aircraft
19403
195063
196051
197021
19809
19902

Registrations by year certificates issued since 2010, including changes of owner · 2026 is the year so far

Registrations by year, as a table
aircraft
20105
20117
20123
20134
201410
20155
20163
20173
201819
201911
202015
20213
202212
202318
202411
202510
202614

Accident history NTSB records · 236 cases since 1982, 12 fatal

2026-04-30CEN26LA175 · UH-12E N22SP · accident near Chickasha, OK · no injuries
2025-08-11WPR25LA246 · UH-12E N703WA · accident near Fobes Hill, WA · no injuries
2024-07-24WPR24LA262 · UH-12E N3375T · accident near Bonners Ferry, ID · no injuries
2023-08-27CEN23LA383 · UH-12A N8178H · accident near Mosby, MO · no injuries
2022-07-06WPR22LA245 · UH-12E N130HA · accident near Wenatchee, WA · serious injuries
2022-02-09ERA22LA118 · UH-12E4 N64741 · accident near Shrewsbury, PA · no injuries
2021-09-29ERA21LA386 · UH-12E N430NR · accident near Millen, GA · minor injuries
2021-09-23WPR21LA354 · UH-12E N5334V · accident near Bovill, ID · no injuries

The 8 most recent of 236 cases where the NTSB's make and model match this family's versions. Each aircraft's own page also shows its record. How this model compares with others, with the fleet taken into account: Accidents by model in Aviation Analytics.

Questions people ask answers refresh every morning

How many Hiller UH-12 aircraft are registered in the U.S.?

217 as of October 30, 2026, counting 9 versions the FAA records separately.

Which state has the most Hiller UH-12s?

Texas, with 42.

Who owns the Hiller UH-12?

58% are registered to companies, flight schools, clubs and other organisations; the rest to individuals and co-owners, who are not named on this site at this time.

When were the Hiller UH-12s on the register built?

Between 1949 and 1996; half of them in 1960 or earlier.

How many Hiller UH-12 accidents has the NTSB recorded?

236 accidents and incidents since 1982, 12 of them fatal. A model flown more shows more; the accident analytics compare models per thousand registered.

What is the Hiller UH-12 made of?

A welded steel-tube frame carries the loads, with aluminium (and some fibreglass) skins over it. The FAA's type certificate data sheet is the authority for any one model.

What the FAA has certified, ordered and been told about the Hiller UH-12 the component layer

A welded steel-tube frame carries the loads, with aluminium (and some fibreglass) skins over it. The design is held under 5 type certificates. The FAA has issued 60 airworthiness directives (orders that owners must comply with) that name this model, most of them about rotorcraft systems. Operators and repair shops have filed 65 failure reports with the FAA since 1995, 7 of them in the last ten years: about 0.8 a year for every 100 aircraft on the register; the system most often named is rotorcraft systems. 112 approved modifications exist for it, the most by Siam Hiller Holdings INC.

FAA orders 60 airworthiness directives · newest first

2025-09-242025-15-02 · Main Rotor Mast/Swashplate · rotorcraft systems
2023-06-222023-11-07 · Ground Proximity System · instruments and avionics
2021-12-092021-23-13 · Ground Proximity System · instruments and avionics
2001-01-102000-24-21 · Control System Linkage · other and general
1997-11-1297-20-15 · Outboard Tension-Torsion Bar Pin · rotorcraft systems
1997-06-2797-10-16 · Blade Spar Tube and Cuff Inspection · rotorcraft systems

All orders naming the Hiller UH-12

By system

Orders by system, as a table
ordersshare
Rotorcraft systems3152%
Other and general1728%
Engine712%
Airframe structure23%
Instruments and avionics23%
Flight controls12%

Failure reports 65 since 1995 · what operators and shops told the FAA

047101495000615122
Failure reports by year, as a table
reports
953
9614
9713
984
993
004
012
021
032
052
062
083
092
102
121
152
173
191
221

By system

Failure reports by system, as a table
reportsshare
Rotorcraft systems4163%
Engine1929%
Airframe structure46%
Landing gear12%

Parts most often reported as the reports name them

Parts most reported, as a table
reports
Hub11
Blade4
Cuff4
Fork4
Bearing3
Bolt3
Gear3
Carburetor2
Pin2
Ballast Weight1

Latest reports

2022-06-10Hub: cracked · rotorcraft systems
2019-04-18Housing: cracked · rotorcraft systems
2017-10-03Drive Gear: spalled · engine
2017-10-03Gear: spalled · engine
2017-02-01Fork: mismanufactured · rotorcraft systems

Approved replacement parts 102 parts manufacturer approvals

Parts a company other than the maker may make for this design and sell as FAA-approved. The companies holding the most:

Most often: bubble (8), spray system (6), window door (5), led landing (5), bubble chin (5), brush (5), snubber (4), cabin door (4), oil filter (3), weigh system (2).

Approved modifications 112 supplemental type certificates

Changes the FAA has approved for this design, from new avionics and engines to floats and parachutes. The companies holding the most:

Latest

2024-05-17SA4503NM (PAGE 1) · Remove original cloth covering and install Ceconite covering
2024-01-11SR04637CH · Replacement of existing main ship battery with Lithium Ion Battery and installation of...
2023-04-14SH3319NM · Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual...
2021-07-30SH1152NW · Installation of the Automatic Flagman Model 135 Control Stick Grip
2020-12-17SR02704SE · Installation and maintenance of the Sunspot 36 and 46 series lights

Certificates and bulletins

4H11Type certificate held by Siam Hiller Holdings INC. · 2 models listed · revised January 6, 2010
6H1Type certificate held by Siam Hiller Holdings INC. · 2 models listed · revised September 10, 2024
6H2Type certificate held by Siam Hiller Holdings INC. · 2 models listed · revised October 28, 2014
H1WEType certificate held by Siam Hiller Holdings INC. · 2 models listed · revised October 28, 2014
4H10Type certificate held by Siam Hiller Holdings INC. · 1 model listed · revised October 28, 2014

Sources: the FAA's type certificate data sheets, airworthiness directives, supplemental type certificates, special conditions and special airworthiness information bulletins (Dynamic Regulatory System), and the FAA's service difficulty reports. A failure report is what an operator or repair station chose to file; the counts show reporting as much as reliability, and larger and commercial fleets report more. How the systems are grouped.

Connections how the UH-12 links to the rest of the register

Design
Engines
Where they are
Biggest operators
Record
Airworthiness

The whole map of how records connect · these connections as data: /graph/model/hiller/uh-12.json.

Aircraft newest certificates first · 217

Tail no.Maker and modelOwner and baseCertificateRegisteredStatus
N10728 Hiller
UH-12C
Jstream Lc
Sheridan, Wyoming
Restricted 2026-10-24 ValidFAA registration status code V: Valid registration. All codes
N1349A Hiller
UH-12E
Individual owner
Kansas
Standard 2026-08-31 ValidFAA registration status code V: Valid registration. All codes
N90476 Hiller
UH-12E
Individual owner
Kansas
Multiple 2026-08-31 ValidFAA registration status code V: Valid registration. All codes
N133WH Hiller
UH-12E
Four Creeks Aviation INC
Visalia, California
Restricted 2026-08-26 ValidFAA registration status code V: Valid registration. All codes
N4035L Hiller
UH-12E
Four Creeks Aviation INC
Visalia, California
Multiple 2026-08-26 ValidFAA registration status code V: Valid registration. All codes
N76431 Hiller
UH-12E
Four Creeks Aviation INC
Visalia, California
Restricted 2026-08-26 ValidFAA registration status code V: Valid registration. All codes
N10196 Hiller
UH-12B
Individual owner
Alaska
Standard 2026-07-22 ValidFAA registration status code V: Valid registration. All codes
N9774C Hiller
UH-12C
Northwest Skydiving Instruction LLC
Kennewick, Washington
Standard 2026-07-04 ValidFAA registration status code V: Valid registration. All codes
N5025J Hiller
UH-12B
Individual owner
Oklahoma
Standard 2026-05-24 ValidFAA registration status code V: Valid registration. All codes
N1348P Hiller
UH-12C
Individual owner
Iowa
Standard 2026-05-13 ValidFAA registration status code V: Valid registration. All codes
N3351F Hiller
UH-12E
Individual owner
Iowa
Restricted 2026-05-13 ValidFAA registration status code V: Valid registration. All codes
N5315V Hiller
UH-12C
Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-02-18 ValidFAA registration status code V: Valid registration. All codes
N6145G Hiller
UH-12E
Individual owner
California
Standard 2026-01-22 ValidFAA registration status code V: Valid registration. All codes
N57CD Hiller
UH-12C
Individual owner
Iowa
Standard 2026-01-09 ValidFAA registration status code V: Valid registration. All codes
N5104V Hiller
UH-12B
Individual owner
South Dakota
Standard 2025-12-25 ValidFAA registration status code V: Valid registration. All codes
N5326V Hiller
UH-12C
Jstream Lc
Sheridan, Wyoming
Standard 2025-12-17 ValidFAA registration status code V: Valid registration. All codes
N12UH Hiller
UH-12E
Jstream Lc
Sheridan, Wyoming
Standard 2025-09-25 ValidFAA registration status code V: Valid registration. All codes
N5072R Hiller
UH-12B
Co-owned owner
Washington
Standard 2025-05-27 ValidFAA registration status code V: Valid registration. All codes
N47242 Hiller
UH-12B
Individual owner
Texas
Standard 2025-05-13 ValidFAA registration status code V: Valid registration. All codes
N538AC Hiller
UH-12B
Individual owner
Texas
Standard 2025-05-02 ValidFAA registration status code V: Valid registration. All codes
N38767 Hiller
UH-12C
Individual owner
Texas
Standard 2025-04-16 ValidFAA registration status code V: Valid registration. All codes
N501HA Hiller
UH-12E4
Airtime Marketing LLC
Middletown, Delaware
Standard 2025-04-02 ValidFAA registration status code V: Valid registration. All codes
N493BN Hiller
UH-12D
Co-owned owner
Wisconsin
Restricted 2025-02-20 ValidFAA registration status code V: Valid registration. All codes
N7173F Hiller
UH-12E
Four Creeks Aviation INC
Visalia, California
Standard 2025-02-15 ValidFAA registration status code V: Valid registration. All codes
N1023G Hiller
UH-12B
Continental Title Trust LLC Trustee
Wichita, Kansas
Experimental 2024-11-18 ValidFAA registration status code V: Valid registration. All codes
N172SM Hiller
UH-12B
Individual owner
New Jersey
Multiple 2024-10-16 ValidFAA registration status code V: Valid registration. All codes
N330M Hiller
UH-12A
Individual owner
Virginia
Multiple 2024-10-07 ValidFAA registration status code V: Valid registration. All codes
N64741 Hiller
UH-12E4
Individual owner
Montana
Multiple 2024-09-19 ValidFAA registration status code V: Valid registration. All codes
N93456 Hiller
UH-12D
Co-owned owner
Alaska
Standard 2024-08-02 ValidFAA registration status code V: Valid registration. All codes
N16643 Hiller
UH-12B
Individual owner
Montana
Standard 2024-07-16 ValidFAA registration status code V: Valid registration. All codes
N36670 Hiller
UH-12E
S & S Landscape Supply INC
Grand Junction, Colorado
Restricted 2024-05-21 ValidFAA registration status code V: Valid registration. All codes
N263SS Hiller
UH-12A
Individual owner
Texas
Standard 2024-05-03 ValidFAA registration status code V: Valid registration. All codes
N95580 Hiller
UH-12E
Individual owner
Washington
Restricted 2024-03-14 ValidFAA registration status code V: Valid registration. All codes
N26PE Hiller
UH-12D
Mshr Helicopter Service LLC
Chehalis, Washington
Multiple 2024-01-07 ValidFAA registration status code V: Valid registration. All codes
N920HA Hiller
UH-12D
Mshr Helicopter Service LLC
Chehalis, Washington
Standard 2024-01-06 ValidFAA registration status code V: Valid registration. All codes
N90457 Hiller
UH-12L4
Hiller Aviation Group INC
Laveen, Arizona
Restricted 2023-12-27 ValidFAA registration status code V: Valid registration. All codes
N922HA Hiller
UH-12E
Hiller Aviation Group INC
Laveen, Arizona
Standard 2023-12-27 ValidFAA registration status code V: Valid registration. All codes
N3375T Hiller
UH-12E
E L Automation INC
Bonners Ferry, Idaho
None on file 2023-12-08 ValidFAA registration status code V: Valid registration. All codes
N6331D Hiller
UH-12A
Individual owner
Oklahoma
Standard 2023-08-30 ValidFAA registration status code V: Valid registration. All codes
N941M Hiller
UH-12B
Co-owned owner
Pennsylvania
Standard 2023-07-10 ValidFAA registration status code V: Valid registration. All codes
N16NR Hiller
UH-12E
Paragon Helicopter Services LLC
Claremore, Oklahoma
Standard 2023-06-14 ValidFAA registration status code V: Valid registration. All codes
N307AJ Hiller
UH-12B
Swashbuckle Air LLC
Anchorage, Alaska
Standard 2023-05-13 ValidFAA registration status code V: Valid registration. All codes
N492HS Hiller
UH-12E
Individual owner
Texas
Multiple 2023-04-30 ValidFAA registration status code V: Valid registration. All codes
N3829 Hiller
UH-12E
Individual owner
Arizona
None on file 2023-04-22 ValidFAA registration status code V: Valid registration. All codes
N703WA Hiller
UH-12E
Anthony Ghidossi Chemical LLC
Marysville, Washington
Restricted 2023-04-18 ValidFAA registration status code V: Valid registration. All codes
N6744C Hiller
UH-12B
Kiska Farms INC
Pasco, Washington
Multiple 2023-04-14 ValidFAA registration status code V: Valid registration. All codes
N469DW Hiller
UH-12C
Individual owner
Texas
Standard 2023-03-31 ValidFAA registration status code V: Valid registration. All codes
N196FT Hiller
UH-12E
Continental Title Trust LLC Trustee
Wichita, Kansas
Standard 2023-03-27 ValidFAA registration status code V: Valid registration. All codes
N5306V Hiller
UH-12B
Individual owner
New York
Standard 2023-02-17 ValidFAA registration status code V: Valid registration. All codes
N9019T Hiller
UH-12B
Individual owner
Tennessee
Standard 2023-02-10 ValidFAA registration status code V: Valid registration. All codes
N62275 Hiller
UH-12B
Co-owned owner
Alaska
Standard 2023-01-19 ValidFAA registration status code V: Valid registration. All codes
N41319 Hiller
UH-12B
Individual owner
Georgia
Standard 2023-01-18 ValidFAA registration status code V: Valid registration. All codes
N62329 Hiller
UH-12B
Individual owner
Michigan
Standard 2023-01-06 ValidFAA registration status code V: Valid registration. All codes
N9010Q Hiller
UH-12C
Individual owner
Texas
Standard 2022-11-28 ValidFAA registration status code V: Valid registration. All codes
N40346 Hiller
UH-12E
Rutland Flying Service
Ridge Spring, South Carolina
Standard 2022-10-15 ValidFAA registration status code V: Valid registration. All codes
N10195 Hiller
UH-12B
Individual owner
Oregon
Standard 2022-10-05 ValidFAA registration status code V: Valid registration. All codes
N727JR Hiller
UH-12B
Individual owner
Oregon
Multiple 2022-09-17 ValidFAA registration status code V: Valid registration. All codes
N5381V Hiller
UH-12E
Northwest Helicopters LLC
Olympia, Washington
Restricted 2022-08-17 ValidFAA registration status code V: Valid registration. All codes
N57U Hiller
UH-12A
Co-owned owner
South Dakota
None on file 2022-05-25 ValidFAA registration status code V: Valid registration. All codes
N783TT Hiller
UH-12C
Individual owner
Texas
Standard 2022-05-16 ValidFAA registration status code V: Valid registration. All codes
N891HA Hiller
UH-12E
Hiller Aircraft CORP
Firebaugh, California
Standard 2022-04-20 ValidFAA registration status code V: Valid registration. All codes
N94515 Hiller
UH-12D
Hiller Aircraft CORP
Firebaugh, California
Experimental 2022-04-18 ValidFAA registration status code V: Valid registration. All codes
N8178H Hiller
UH-12A
Rotor Wing Nuts LLC
Kansas City, Missouri
Standard 2022-03-17 ValidFAA registration status code V: Valid registration. All codes
N9737C Hiller
UH-12E
M&D Aerial LLC
Coleman, Texas
Restricted 2022-02-01 ValidFAA registration status code V: Valid registration. All codes
N80CB Hiller
UH-12E
Aero-Tech Helicopters LLC
Kingstree, South Carolina
Restricted 2022-01-12 ValidFAA registration status code V: Valid registration. All codes
N162DL Hiller
UH-12A
Individual owner
Florida
Standard 2021-10-26 ValidFAA registration status code V: Valid registration. All codes
N8116H Hiller
UH-12
Individual owner
Nevada
Standard 2021-04-27 ValidFAA registration status code V: Valid registration. All codes
N173SJ Hiller
UH-12E
Anthony Ghidossi Chemical LLC
Marysville, Washington
Restricted 2021-01-04 ValidFAA registration status code V: Valid registration. All codes
N5317V Hiller
UH-12C
International Air Services INC Trustee
Carson City, Nevada
Standard 2020-12-16 ValidFAA registration status code V: Valid registration. All codes
N236HA Hiller
UH-12E
Individual owner
Wisconsin
Restricted 2020-11-23 ValidFAA registration status code V: Valid registration. All codes
N26US Hiller
UH-12C
Plane Fun INC Tr Trustee
Snellville, Georgia
Standard 2020-10-21 ValidFAA registration status code V: Valid registration. All codes
N69085 Hiller
UH-12A
Individual owner
New York
Restricted 2020-09-24 ValidFAA registration status code V: Valid registration. All codes
N94735 Hiller
UH-12B
Dhc Aviation LLC
Newburgh, New York
Standard 2020-08-31 ValidFAA registration status code V: Valid registration. All codes
N9749C Hiller
UH-12E
Summit Helicopters INC
Salem, Virginia
Multiple 2020-08-01 ValidFAA registration status code V: Valid registration. All codes
N233WH Hiller
UH-12E
Bank of Utah Trustee
Salt Lake City, Utah
Restricted 2020-07-17 ValidFAA registration status code V: Valid registration. All codes
N130HA Hiller
UH-12E
C&C Helicopters INC
Kuna, Idaho
Restricted 2020-06-16 ValidFAA registration status code V: Valid registration. All codes
N9785C Hiller
UH-12E
Summit Helicopters INC
Salem, Virginia
Multiple 2020-06-10 ValidFAA registration status code V: Valid registration. All codes
N9151T Hiller
UH-12E-L
Hiller Aircraft CORP
Firebaugh, California
Standard 2020-05-26 ValidFAA registration status code V: Valid registration. All codes
N103JA Hiller
UH-12C
Joann Air INC
Mulberry, Florida
Standard 2020-03-16 ValidFAA registration status code V: Valid registration. All codes
N146ET Hiller
UH-12E
Four Creeks Aviation INC
Visalia, California
Restricted 2020-01-09 ValidFAA registration status code V: Valid registration. All codes
N2770 Hiller
UH-12D
Lil Dawg Aviation
Wilmington, Delaware
Multiple 2020-01-09 ValidFAA registration status code V: Valid registration. All codes
N65NW Hiller
UH-12E
Four Creeks Aviation INC
Visalia, California
Restricted 2020-01-09 ValidFAA registration status code V: Valid registration. All codes
N62347 Hiller
UH-12E
Dechene CORP
Big Lake, Minnesota
Restricted 2020-01-03 ValidFAA registration status code V: Valid registration. All codes
N4027D Hiller
UH-12E
Four Creeks Aviation
Visalia, California
None on file 2019-10-23 ValidFAA registration status code V: Valid registration. All codes
N71NW Hiller
UH-12E
Four Creeks Aviation
Visalia, California
Multiple 2019-10-23 ValidFAA registration status code V: Valid registration. All codes
N504HA Hiller
UH-12E
Eastern Stearman INC Trustee
Leesburg, Virginia
Restricted 2019-10-17 ValidFAA registration status code V: Valid registration. All codes
N48220 Hiller
UH-12E4
Rutland Flying Service INC
Ridge Spring, South Carolina
Restricted 2019-10-10 ValidFAA registration status code V: Valid registration. All codes
N875WE Hiller
UH-12E
Eastern Stearman INC Trustee
Leesburg, Virginia
Standard 2019-10-10 ValidFAA registration status code V: Valid registration. All codes
N430NR Hiller
UH-12E
Rutland Flying Service INC
Ridge Spring, South Carolina
Restricted 2019-07-24 ExpiredFAA registration status code 29: Registration expired, pending cancellation. All codes
N106HH Hiller
UH-12D
Haddock Flying Service INC
Salters, South Carolina
Multiple 2019-07-09 ValidFAA registration status code V: Valid registration. All codes
N900JR Hiller
UH-12B
Individual owner
Washington
Standard 2019-06-06 ValidFAA registration status code V: Valid registration. All codes
N686P Hiller
UH-12D
Simply Living LLC
Fort Myers, Florida
None on file 2019-05-30 ValidFAA registration status code V: Valid registration. All codes
N1523T Hiller
UH-12E
Individual owner
Texas
Multiple 2019-04-29 ValidFAA registration status code V: Valid registration. All codes
N54594 Hiller
UH-12C
Individual owner
New York
Standard 2019-03-27 ValidFAA registration status code V: Valid registration. All codes
N47063 Hiller
UH-12D
Geco INC
Wilmington, Delaware
Restricted 2018-12-04 ValidFAA registration status code V: Valid registration. All codes
N62392 Hiller
UH-12E
Crawford James B JR
Salmon, Idaho
Standard 2018-11-21 ValidFAA registration status code V: Valid registration. All codes
N90724 Hiller
UH-12C
Individual owner
District of Columbia
Standard 2018-11-02 ValidFAA registration status code V: Valid registration. All codes
N9299Z Hiller
UH-12D
Individual owner
Texas
Standard 2018-10-25 ValidFAA registration status code V: Valid registration. All codes
N4977E Hiller
UH-12A
Individual owner
New Hampshire
Multiple 2018-09-15 ValidFAA registration status code V: Valid registration. All codes
N8109H Hiller
UH-12A
Individual owner
Florida
Multiple 2018-09-08 ValidFAA registration status code V: Valid registration. All codes