Texas Helicopter Corp OH-13
14 on the U.S. register across 3 versions the FAA records separately. Built from 1977 to 1979; half of them date from 1978 or earlier. Michigan has the most (4). 93% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are not named here at this time.
About the OH-13 from the FAA's model table
- Type
- Rotorcraft · Helicopters
- Power
- Piston (reciprocating), 1 engine
- Common engines
- Lycoming Vo-435 Series (5), Lycoming Vo-435-A1F (3), Lycoming Vo-540 Series (2)
- Seats
- 1
- Built of
- steel tube and aluminium
- Maker on the register
- Texas Helicopter Corp
- Registered
- earliest certificate November 13, 1984; newest April 4, 2025
Where they are owner's state
Who owns them registrant type
By owner type, as a table
| aircraft | share | |
|---|---|---|
| LLC | 7 | 50% |
| Corporation | 6 | 43% |
| Individual | 1 | 7% |
Versions as the FAA records them · click one to list only those aircraft
| Version | Registered | Built | Share |
|---|---|---|---|
| OH-13E/M74 | 9 | 1977 to 1979 | 64.3% |
| OH-13H/M74A | 4 | 1979 | 28.6% |
| OH-13H/M74L | 1 | 1978 | 7.1% |
Airworthiness certificate class
By airworthiness certificate, as a table
| aircraft | share | |
|---|---|---|
| Restricted | 12 | 86% |
| None on file | 1 | 7% |
| Multiple | 1 | 7% |
Biggest operators companies, schools and clubs
Largest fleets, as a table
| aircraft | |
|---|---|
| Hhi Farms LLC | 4 |
| Hendrickson Flying Service INC | 3 |
| Phoenix Equipment Lc | 1 |
| Magnum Aviation LLC | 1 |
| County Line Helicopter INC | 1 |
| Costa Spraying INC | 1 |
| Brothers Aviation LLC | 1 |
| AG Air INC | 1 |
Fleet pages: Hhi Farms LLC · Hendrickson Flying Service INC · Magnum Aviation LLC · Brothers Aviation LLC · AG Air INC
Accident history NTSB records · 7 cases since 1982, 0 fatal
The 7 most recent of 7 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 Texas Helicopter Corp OH-13 aircraft are registered in the U.S.?
14 as of October 23, 2026, counting 3 versions the FAA records separately.
Which state has the most Texas Helicopter Corp OH-13s?
Michigan, with 4.
Who owns the Texas Helicopter Corp OH-13?
93% 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 Texas Helicopter Corp OH-13s on the register built?
Between 1977 and 1979; half of them in 1978 or earlier.
How many Texas Helicopter Corp OH-13 accidents has the NTSB recorded?
7 accidents and incidents since 1982, 0 of them fatal. A model flown more shows more; the accident analytics compare models per thousand registered.
What is the Texas Helicopter Corp OH-13 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 Texas Helicopter Corp OH-13 the component layer
A welded steel-tube frame carries the loads, with aluminium (and some fibreglass) skins over it. The design is held under 3 type certificates. The FAA has issued 10 airworthiness directives (orders that owners must comply with) that name this model, most of them about rotorcraft systems. Operators and repair shops have filed 1 failure report with the FAA since 1996, 1 of them in the last ten years: about 7.1 a year for every 100 aircraft on the register; the system most often named is rotorcraft systems. 19 approved modifications exist for it, the most by Scott'S Bell 47 INC.
FAA orders 10 airworthiness directives · newest first
All orders naming the Texas Helicopter Corp OH-13
By system
Orders by system, as a table
| orders | share | |
|---|---|---|
| Rotorcraft systems | 7 | 70% |
| Instruments and avionics | 2 | 20% |
| Other and general | 1 | 10% |
Failure reports 1 since 1996 · what operators and shops told the FAA
Failure reports by year, as a table
| reports | |
|---|---|
| 96 | 1 |
By system
Failure reports by system, as a table
| reports | share | |
|---|---|---|
| Rotorcraft systems | 1 | 100% |
Parts most often reported as the reports name them
Latest reports
Approved replacement parts 66 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: brush (12), spring (4), mount (4), motor (4), ignition (4), switch (3), control (3), tube (2), spark plug (2), heli preheat (2).
Approved modifications 19 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
Certificates and bulletins
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 OH-13 links to the rest of the register
- Texas Helicopter Corp 15 aircraft on the register
- Texas Helicopter Corp OH-13E/M74 9 registered
- Texas Helicopter Corp OH-13H/M74A 4 registered
- Texas Helicopter Corp OH-13H/M74L 1 registered
- Type certificate H7SW · held by Scott'S-Bell 47 INC
- Built of steel tube and aluminium
- Lycoming VO-435 series 5 of these aircraft · 260 hp
- Lycoming VO-435-A1F 3 of these aircraft · 250 hp
- Lycoming VO-540 series 2 of these aircraft · 310 hp
- Hhi Farms LLC 4 of these aircraft
- Hendrickson Flying Service INC 3 of these aircraft
- Phoenix Equipment Lc 1 of these aircraft
- Magnum Aviation LLC 1 of these aircraft
- County Line Helicopter INC 1 of these aircraft
- NTSB accidents and incidents involving the OH-13 7 cases since 1982 · 0 fatal
- FAA orders naming the OH-13 10 airworthiness directives
- Failure reports filed on the OH-13 1 reports since 1995
- Approved modifications for the OH-13 19 supplemental type certificates
The whole map of how records connect · these connections as data: /graph/model/texas-helicopter-corp/oh-13.json.
Aircraft newest certificates first · 14
| Tail no. | Maker and model | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|
| N38092 | Texas Helicopter Corp OH-13E/M74 |
Hhi Farms LLC Hamilton, Michigan |
Restricted | 2025-04-04 | ValidFAA registration status code V: Valid registration. All codes |
| N38113 | Texas Helicopter Corp OH-13E/M74 |
Hhi Farms LLC Hamilton, Michigan |
Restricted | 2023-06-04 | ValidFAA registration status code V: Valid registration. All codes |
| N51852 | Texas Helicopter Corp OH-13E/M74 |
County Line Helicopter INC Nebraska City, Nebraska |
None on file | 2023-04-20 | ValidFAA registration status code V: Valid registration. All codes |
| N51860 | Texas Helicopter Corp OH-13H/M74A |
Phoenix Equipment Lc Nickerson, Kansas |
Restricted | 2021-03-20 | ValidFAA registration status code V: Valid registration. All codes |
| N1001F | Texas Helicopter Corp OH-13H/M74A |
AG Air INC Cheyenne, Wyoming |
Restricted | 2019-09-11 | ValidFAA registration status code V: Valid registration. All codes |
| N51851 | Texas Helicopter Corp OH-13H/M74L |
Brothers Aviation LLC Black Rock, Arkansas |
Multiple | 2018-10-23 | ValidFAA registration status code V: Valid registration. All codes |
| N1201Y | Texas Helicopter Corp OH-13H/M74A |
Hhi Farms LLC Hamilton, Michigan |
Restricted | 2017-11-14 | ValidFAA registration status code V: Valid registration. All codes |
| N43921 | Texas Helicopter Corp OH-13E/M74 |
Costa Spraying INC Tulare, California |
Restricted | 2017-10-23 | ValidFAA registration status code V: Valid registration. All codes |
| N51846 | Texas Helicopter Corp OH-13E/M74 |
Magnum Aviation LLC Goff, Kansas |
Restricted | 2017-06-16 | ValidFAA registration status code V: Valid registration. All codes |
| N51859 | Texas Helicopter Corp OH-13E/M74 |
Individual owner Mississippi |
Restricted | 2012-01-10 | ValidFAA registration status code V: Valid registration. All codes |
| N51850 | Texas Helicopter Corp OH-13E/M74 |
Hendrickson Flying Service INC Rochelle, Illinois |
Restricted | 2011-05-14 | ValidFAA registration status code V: Valid registration. All codes |
| N38110 | Texas Helicopter Corp OH-13E/M74 |
Hhi Farms LLC Hamilton, Michigan |
Restricted | 2011-01-14 | ValidFAA registration status code V: Valid registration. All codes |
| N10009 | Texas Helicopter Corp OH-13H/M74A |
Hendrickson Flying Service INC Rochelle, Illinois |
Restricted | 2010-02-11 | ValidFAA registration status code V: Valid registration. All codes |
| N38096 | Texas Helicopter Corp OH-13E/M74 |
Hendrickson Flying Service INC Rochelle, Illinois |
Restricted | 1984-11-13 | ValidFAA registration status code V: Valid registration. All codes |