# NTSB investigations: Hiller OH-23B

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 CEN17LA055](https://openairdocs.org/ntsb/CEN17LA055.md): Hiller OH 23B · Tynan, TX · Accident · Serious injuries · Limited investigation · Final report · Dec 10, 2016 · N5776 · Destroyed
  > The student pilot's delayed and improper landing flare during a practice autorotation, which resulted in the tail rotor striking terrain.
- [NTSB ERA15CA059](https://openairdocs.org/ntsb/ERA15CA059.md): Hiller OH 23B · Leesburg, VA · Accident · No injuries · Data collection · Final report · Nov 24, 2014 · N6057 · Substantial damage
  > A loss of tail rotor effectiveness while hovering in gusting crosswind conditions resulting in the student pilot's loss of control of the helicopter. Contributing was the delayed remedial action of the flight instructor.
- [NTSB FTW89LA043](https://openairdocs.org/ntsb/FTW89LA043.md): Hiller OH-23B · Wichita Falls, TX · Accident · No injuries · Limited investigation · Final report · Jan 21, 1989 · N88785 · Substantial damage
  > The pilot's improper use of the carburetor heat during flight and his improper flare during an autorotative landing. Contributing factors were: carburetor icing conditions, improper in-flight planning/decision by the pilot, a tailwind during the landing, and…
- [NTSB NYC85FGM02](https://openairdocs.org/ntsb/NYC85FGM02.md): Hiller UH-12B · Butler, PA · Accident · Serious injuries · Final report · Nov 15, 1984 · N17129 · Substantial damage
  > After training at mcville arpt for about 1HR & 15MIN the plt decided to purchase fuel, taxied to the fuel pumps & discovered that the operator was not there. The CFI EST that there was sufficient fuel to fly to Butler county arpt, aprx 18 miles away. During…
- [NTSB ATL84LA007](https://openairdocs.org/ntsb/ATL84LA007.md): Hiller UH-12B · Mccullough, AL · Accident · No injuries · Limited investigation · Final report · Oct 1, 1983 · N67699 · Substantial damage
  > The acft crashed in a cotton field after maneuvering at low alt to check the crop. The pilot said he was at an alt of 4 or 5 ft and forward flt was below transitional lift speed. The rotor RPM began to reduce and also there was a drop in engine RPM. The pilot…
- [NTSB IAD78FID21](https://openairdocs.org/ntsb/IAD78FID21.md): Hiller Acft UH-12B · Roanoke, VA · Accident · No injuries · Closed · Aug 17, 1978 · N67699 · Substantial damage
- [NTSB UNK73X0110](https://openairdocs.org/ntsb/UNK73X0110.md): Hiller Acft UH-12B · Gothenburg, SW · Accident · No injuries · Closed · Apr 13, 1973 · N6055 · 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4360109'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4360109

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.