# NTSB investigations: Hiller UH-12C

A list on [Hiller UH-12C](https://openairdocs.org/model/hiller-uh-12c.md).

Matched to the registry by N-number and event date, newest first.

- [NTSB MIA07LA089](https://openairdocs.org/ntsb/MIA07LA089.md): Hiller UH-12C · Plant City, FL · Accident · Serious injuries · Limited investigation · Final report · Apr 27, 2007 · N92993 · Substantial damage
  > The loss of engine power due to a magneto impulse coupling failure for undetermined reasons.
- [NTSB MIA00LA145](https://openairdocs.org/ntsb/MIA00LA145.md): Hiller UH-12C · Metter, GA · Accident · Minor injuries · Limited investigation · Final report · May 6, 2000 · N80584 · Substantial damage
  > the pilot's failure to maintain an adequate lookout resulting in a collision with a transmission wire that resulted in a forced landing and substantial damage to the helicopter.
- [NTSB ATL99LA108](https://openairdocs.org/ntsb/ATL99LA108.md): Hiller UH12-C · Venice, FL · Accident · No injuries · Limited investigation · Final report · Jul 16, 1999 · N5317V · Substantial damage
  > Loss of engine power due to fuel starvation as a result of the passenger inadvertently shutting off the fuel supply.
- [NTSB NYC99LA146](https://openairdocs.org/ntsb/NYC99LA146.md): Hiller UH-12C · Delphos, OH · Accident · No injuries · Limited investigation · Final report · Jun 16, 1999 · N57CR · Substantial damage
  > A blocked fuel line, from an unknown object, that resulted in fuel starvation, and total loss of engine power. A factor in the accident was the pilot's failure to maintain rotor rpm during the autorotation.
- [NTSB CHI99LA012](https://openairdocs.org/ntsb/CHI99LA012.md): Hiller UH-12C · Clinton, IA · Accident · No injuries · Limited investigation · Final report · Oct 24, 1998 · N9739C · Substantial damage
  > the failure of the 90 degree gearbox for reasons undetermined. Factors were the failure of the gearbox, and it not being possible for the pilot to maintain control of the aircraft.
- [NTSB NYC98LA006](https://openairdocs.org/ntsb/NYC98LA006.md): Hiller UH-12C · Bennington, VT · Accident · No injuries · Limited investigation · Final report · Oct 5, 1997 · N49983 · Substantial damage
  > The failure of the cyclic control due to an improper modification by the pilot/owner.
- [NTSB LAX95LA326](https://openairdocs.org/ntsb/LAX95LA326.md): Hiller UH-12C · Porterville, CA · Accident · Minor injuries · Limited investigation · Final report · Sep 6, 1995 · N1348Z · Substantial damage
  > the flight instructor's inadequate supervision of the flight; the dual student's improper use of the flight controls; and improper remedial action.
- [NTSB LAX95LA238](https://openairdocs.org/ntsb/LAX95LA238.md): Hiller UH-12C · Rio Vista, CA · Accident · No injuries · Limited investigation · Final report · Jul 3, 1995 · N1348Z · Substantial damage
  > The result of a chafing failure of the left anti-torque control cable while the aircraft was in flight. An inadequate preflight inspection by the pilot-in-command, and an inadequate 100-hour inspection by company maintenance personnel were factors in this…
- [NTSB SEA95LA063](https://openairdocs.org/ntsb/SEA95LA063.md): Hiller UH-12C · Bonners Ferry, ID · Accident · No injuries · Limited investigation · Final report · Mar 7, 1995 · N222TE · Substantial damage
  > Rotor RPM was not maintained. Factors to the accident were: inadequate in flight planning/decision and suitable terrain was not available.
- [NTSB SEA95LA022](https://openairdocs.org/ntsb/SEA95LA022.md): Hiller UH-12C · Twisp, WA · Accident · No injuries · Limited investigation · Final report · Nov 28, 1994 · N54594 · Substantial damage
  > An unexplained loss of power and the student pilot's delayed application of collective during the landing flare.
- [NTSB MIA93LA032](https://openairdocs.org/ntsb/MIA93LA032.md): Hiller UH-12C · New Smyrna Bch, FL · Accident · No injuries · Limited investigation · Final report · Dec 21, 1992 · N38767 · Substantial damage
  > The pilot-in-command's improper application of cyclic and collective pitch control during an autorotative landing.
- [NTSB MKC89LA016](https://openairdocs.org/ntsb/MKC89LA016.md): Hiller UH-12C · Davenport, IA · Accident · No injuries · Limited investigation · Final report · Oct 26, 1988 · N57FD · Substantial damage
  > While demonstrating an autorotation touchdown, a tailboom strike was experienced. Damage was incurred to the tailboom, the tail rotor drive shaft, and one main rotor blade. The CFI said everthing felt normal during touchdown and believed the soft terrain…
- [NTSB ANC86LA058](https://openairdocs.org/ntsb/ANC86LA058.md): Hiller 12-C · Palmer, AK · Accident · No injuries · Limited investigation · Final report · May 18, 1986 · N49983 · Substantial damage
  > The pilot stated that he drew too much rotor pitch for the h.p. available. The helicopter lost control and rolled over on its side.
- [NTSB LAX85LA249](https://openairdocs.org/ntsb/LAX85LA249.md): Hiller 12-C · Casa Grande, AZ · Accident · No injuries · Limited investigation · Final report · May 9, 1985 · N38767 · Substantial damage
  > The plt was demonstrating autorotations to a touchdown on a dirt rwy into a 5 kt headwind. On the final landing he said that the touchdown felt the same as others he had done. Speed at touchdown was 15 mph and the helicopter slid forward in a straight line…
- [NTSB MIA84FA058](https://openairdocs.org/ntsb/MIA84FA058.md): Hiller UH-12C · San Juan, PR · Accident · 1 fatal · Field investigation · Final report · Jan 12, 1984 · N5317V · No damage
  > A performer fell from a trapeze rigged below the helicopter while it was hovering at about 150 ft AGL. The FAA had not authorized the modification to the acft. The plt was not certified for external load operations. The performer reportedly had not done this…
- [NTSB FTW84LA099](https://openairdocs.org/ntsb/FTW84LA099.md): Hiller UH-12C · Imperial, TX · Accident · No injuries · Limited investigation · Final report · Dec 16, 1983 · N63MC · Substantial damage
  > The plt reported that when he was in cruise flt at 300 ft AGL, a sudden violent shudder went thru the whole helicopter, then the shudder stopped. He noted no change in the flit characteristics or eng power. The plt elected to make a precautionary landing by…
- [NTSB DEN83LA007](https://openairdocs.org/ntsb/DEN83LA007.md): Hiller UH-12C · Blanding, UT · Accident · No injuries · Limited investigation · Final report · Oct 12, 1982 · N5316V · Destroyed
  > The private single-engine pilot had a student helicopter certificate. He took off to hover and check that the helicopter was in good condition. He stated that before takeoff, the helicopter was fueled with a 5 gallon can that had been painted red. Before…
- [NTSB FTW81FPD31](https://openairdocs.org/ntsb/FTW81FPD31.md): Hiller Acft UH-12C · Burleson, TX · Accident · No injuries · Closed · Jul 15, 1981 · N57CR · Substantial damage
- [NTSB NYC78FHM27](https://openairdocs.org/ntsb/NYC78FHM27.md): Hiller 12C · Neptune, NJ · Accident · No injuries · Closed · Aug 29, 1978 · N63MC · Substantial damage
- [NTSB SEA77FYE24](https://openairdocs.org/ntsb/SEA77FYE24.md): Hiller Acft 12C · Mt Vernon, WA · Accident · Serious injuries · Closed · Jun 17, 1977 · N5330V · Destroyed
- [NTSB DEN76FTE32](https://openairdocs.org/ntsb/DEN76FTE32.md): Hiller Acft UH-12C · Nucla, CO · Accident · No injuries · Closed · Oct 19, 1975 · N5316V · Substantial damage
- [NTSB OAK74FVD14](https://openairdocs.org/ntsb/OAK74FVD14.md): Hiller Acft UH-12C · Brentwood, CA · Accident · No injuries · Closed · Sep 14, 1973 · N5330V · Substantial damage
- [NTSB OAK74DVM02](https://openairdocs.org/ntsb/OAK74DVM02.md): Hiller Acft UH-12C · Gonzalez, CA · Accident · No injuries · Closed · Jul 13, 1973 · N5320V · Substantial damage
- [NTSB OAK73FVM40](https://openairdocs.org/ntsb/OAK73FVM40.md): Hiller Acft UH-12C · Salinas, CA · Accident · Minor injuries · Closed · Jun 28, 1973 · N9734C · Destroyed
- [NTSB FTW73DPD34](https://openairdocs.org/ntsb/FTW73DPD34.md): Hiller Acft UH-12C · Justin, TX · Accident · No injuries · Closed · May 14, 1973 · N5328V · Destroyed
- [NTSB FTW73DPD17](https://openairdocs.org/ntsb/FTW73DPD17.md): Hiller Acft UH-12C · Valley View, TX · Accident · No injuries · Closed · Dec 23, 1972 · N5328V · Substantial damage
- [NTSB OAK73FVD14](https://openairdocs.org/ntsb/OAK73FVD14.md): Hiller Acft UH-12C · Brentwood, CA · Accident · 1 fatal · Closed · Sep 12, 1972 · N9734C · Minor damage
- [NTSB FTW72DPD09](https://openairdocs.org/ntsb/FTW72DPD09.md): Hiller UH12C · Roanoke, TX · Accident · No injuries · Closed · Sep 5, 1971 · N5328V · Substantial damage
- [NTSB OAK71DVA46](https://openairdocs.org/ntsb/OAK71DVA46.md): Hiller Acft UH-12C · Fresno, CA · Accident · No injuries · Closed · Dec 16, 1970 · N5315V · Substantial damage
- [NTSB OAK71DVM12](https://openairdocs.org/ntsb/OAK71DVM12.md): Hiller Acft UH-12C · Castroville, CA · Accident · No injuries · Closed · Aug 28, 1970 · N5330V · Substantial damage
- [NTSB OAK70DVM09](https://openairdocs.org/ntsb/OAK70DVM09.md): Hiller Acft UH-12C · Castroville, CA · Accident · Minor injuries · Closed · Mar 17, 1970 · N5320V · Destroyed
- [NTSB ANC69A0052](https://openairdocs.org/ntsb/ANC69A0052.md): Hiller UH-12C · Livengood, AK · Accident · Minor injuries · Closed · May 5, 1969 · N5330V · Substantial damage
- [NTSB MIA69F0470](https://openairdocs.org/ntsb/MIA69F0470.md): Hiller UH-12C · Hato Rey, PR · Accident · No injuries · Closed · Apr 19, 1969 · N5317V · Substantial damage
- [NTSB LAX69D0317](https://openairdocs.org/ntsb/LAX69D0317.md): Hiller UH-12C · Compton, CA · Accident · No injuries · Closed · Feb 13, 1969 · N5326V · Substantial damage
- [NTSB OAK68A0036](https://openairdocs.org/ntsb/OAK68A0036.md): Hiller UH-12C · Riverdale, CA · Accident · No injuries · Closed · Oct 15, 1967 · N5321V · Substantial damage
- [NTSB SEA67A0042](https://openairdocs.org/ntsb/SEA67A0042.md): Hiller UH-12C · Rosalia, WA · Accident · No injuries · Closed · Dec 12, 1966 · N5316V · Substantial damage
- [NTSB MIA65A0099](https://openairdocs.org/ntsb/MIA65A0099.md): Hiller UH12C · N Miami Beach, FL · Accident · No injuries · Closed · Apr 7, 1965 · N5317V · Substantial damage
- [NTSB UNK64X2135](https://openairdocs.org/ntsb/UNK64X2135.md): Hiller UH12C · San Bernardino, CA · Accident · No injuries · Closed · Jun 5, 1964 · N5326V · Substantial damage
- [NTSB UNK64X0705](https://openairdocs.org/ntsb/UNK64X0705.md): Hiller UH12C · Chatsworth, CA · Accident · No injuries · Closed · Feb 27, 1964 · N5315V · Substantial damage

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.aircraft_model_code IN ('4360116')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/model/hiller-uh-12c/ntsb

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