# NTSB investigations: Hiller UH-12E, FL

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB ATL02LA044](https://openairdocs.org/ntsb/ATL02LA044.md): Hiller UH12E · Miami, FL · Accident · Minor injuries · Limited investigation · Final report · Feb 11, 2002 · N103HA · Substantial damage
  > Fatigue cracking in the main rotor hub that resulted in the separation of the main rotor system. A factor was corrosive deposits on the exposed portion of the plate set pin.
- [NTSB ATL96LA104](https://openairdocs.org/ntsb/ATL96LA104.md): Hiller UH-12E · Cottondale, FL · Accident · No injuries · Limited investigation · Final report · Jul 11, 1996 · N102HT · Substantial damage
  > failure of the main rotor drive torsional coupling and inner gimbal ring, which resulted in jamming of the flight controls during an attempted autorotation.
- [NTSB MIA94LA029](https://openairdocs.org/ntsb/MIA94LA029.md): Hiller UH-12E · Moore Haven, FL · Accident · Minor injuries · Limited investigation · Final report · Nov 26, 1993 · N130HA · Substantial damage
  > Failure of the pilot-in-command to maintain aircraft control following loss of engine power for undetermined reasons.
- [NTSB MIA88LA225](https://openairdocs.org/ntsb/MIA88LA225.md): Hiller UH-12E · Clewiston, FL · Accident · No injuries · Limited investigation · Final report · Jul 18, 1988 · N108HA · Substantial damage
  > The plt stated the fuel gages indicated 20 gals when he took off on spraying flt. He had just completed the spray run & started to pull up from about 10 ft & 25 mph. At that time the eng quit '& sounded just like it would if it ran out of gas'. There was not…
- [NTSB MIA88LA183](https://openairdocs.org/ntsb/MIA88LA183.md): Hiller UH-12E · Gretna, FL · Accident · No injuries · Limited investigation · Final report · Jun 1, 1988 · N4029R · Substantial damage
  > While on an aerial application flt, the plt stated he maneuvered the helicopter to release the remaining chemical. He then heard a loud 'screeching' noise followed by silence as the eng quit. The helicopter landed hard breaking the skids. It came to rest on…
- [NTSB MIA84FA078](https://openairdocs.org/ntsb/MIA84FA078.md): Hiller UH-12E · Waldo, FL · Accident · Serious injuries · Field investigation · Final report · Feb 15, 1984 · N19MP · Destroyed
  > The acft was being used to dispense aerial incendiary devices (aids) to control forest burning. The aids were 1.25 inch diameter polystyrene balls containing potassium permanganate. They were injected with ethylene glycol prior to being dropped out of the…
- [NTSB MIA79FA095](https://openairdocs.org/ntsb/MIA79FA095.md): Hiller UH-12E · Homestead, FL · Accident · Serious injuries · Closed · Jan 29, 1979 · N527HA · Destroyed
- [NTSB UNK64X0314](https://openairdocs.org/ntsb/UNK64X0314.md): Hiller UH12E · Miami, FL · Accident · No injuries · Closed · Jan 21, 1964 · N5380V · 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_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."eventStateOrRegion" = 'FL' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4360122', '4360137'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4360122&state=FL

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