# NTSB investigations: Hiller H-23D

A list on [Hiller H-23D](https://openairdocs.org/model/hiller-h-23d.md).

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

- [NTSB ERA25LA167](https://openairdocs.org/ntsb/ERA25LA167.md): Hiller UH12E · Rockledge, FL · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Apr 6, 2025 · N48263 · Substantial damage
  > On April 6, 2025, about 1020 eastern daylight time, a Hiller UH-12E, N48263, was substantially damaged when it was involved in an accident near Rockledge, Florida. The private pilot and passenger sustained serious injuries. The helicopter was operated as a…
- [NTSB LAX00LA107](https://openairdocs.org/ntsb/LAX00LA107.md): Hiller H-12E · Byron, CA · Accident · Minor injuries · Limited investigation · Final report · Feb 21, 2000 · N61PC · Substantial damage
  > The pilot's inadequate visual lookout while maneuvering in proximity to wires. A contributing factor was the sun glare, which reduced the wire's conspicuity.
- [NTSB SEA94LA064](https://openairdocs.org/ntsb/SEA94LA064.md): Hiller-Soloy H-23D · Seaside, OR · Accident · Minor injuries · Limited investigation · Final report · Feb 23, 1994 · N62413 · Destroyed
  > The pilot's improper use of flight controls resulting in settling with power.
- [NTSB MKC90LA138](https://openairdocs.org/ntsb/MKC90LA138.md): Hiller 12-E · Watson, MN · Accident · No injuries · Limited investigation · Final report · Jun 26, 1990 · N62397 · Substantial damage
  > Pilot misjudged his flare and collided with the terrain.
- [NTSB CHI89DEP07](https://openairdocs.org/ntsb/CHI89DEP07.md): Hiller UH-12E · Blackriverfalls, WI · Accident · Minor injuries · Final report · Jul 20, 1989 · N48313 · Destroyed
  > Pilot-in-command's failure to jettison the external load followed by his misjudgement of distance to avoid collision with the external load.
- [NTSB LAX87DVD04](https://openairdocs.org/ntsb/LAX87DVD04.md): Hiller UH-23-D · Brentwood, CA · Accident · No injuries · Final report · Aug 5, 1987 · N61PC · Substantial damage
  > During an aerial application flight, the tail boom weight separated and contacted the tail rotor. The pilot lost control of the aircraft and collided with a tree and subsequently the terrain. Post acc invest revealed that the 'pip pins' which secure the tail…
- [NTSB MKC84LA205](https://openairdocs.org/ntsb/MKC84LA205.md): Hiller H-23D · Neelyville, MO · Accident · No injuries · Limited investigation · Final report · Jul 9, 1984 · N48313 · Destroyed
  > The acft rolled over during an emergency landing. The plt claimed that the rotor disengaged at about 30 ft AGL during takeoff. After the accident the upper half of the yoke control was found fractured. A lab report stated that no materialdefects were related…
- [NTSB CHI84LA263](https://openairdocs.org/ntsb/CHI84LA263.md): Hiller UH 12 D · Deerfield, WI · Accident · Minor injuries · Limited investigation · Final report · Jun 26, 1984 · N62362 · Substantial damage
  > Plt was aware of pwr lines which crossed the field over which he was performing a calibration test. Plt stated that because of sun glare visual contact with the wires was lost. The acft contacted the wires.
- [NTSB SEA84LA066](https://openairdocs.org/ntsb/SEA84LA066.md): Hiller UH-12E · Forest Grove, OR · Accident · No injuries · Limited investigation · Final report · Mar 12, 1984 · N62377 · Substantial damage
  > The plt reported that while hovering, during an external load operation, the eng lost power & blue smoke & flames exited the back of the helicopter. The helicopter then struck trees before coming to rest. During an investigation, the eng started normally &…
- [NTSB ATL82DA227](https://openairdocs.org/ntsb/ATL82DA227.md): Hiller UH12D · Dothan, AL · Accident · No injuries · Final report · Aug 2, 1982 · N79SW · Substantial damage
  > The pilot calculated his fuel for the flight and determined it adequate for the flight. He drained the fuel sump while the crew was loading fungicide at the loading area. After the spraying was completed, the pilot started his return flight and when over a…
- [NTSB SEA82DA057](https://openairdocs.org/ntsb/SEA82DA057.md): Hiller-Soloy 12E · Christmas Valle, OR · Accident · Serious injuries · Final report · Apr 23, 1982 · N62377 · Minor damage
  > The helicopter was being used to string a transmission line. A rope (attach line) was used to connect the helicopter to the transmission line. The rope became detached and the pilot landed to have it reattached. A man, involved in the ground operations,…
- [NTSB SEA81DYE31](https://openairdocs.org/ntsb/SEA81DYE31.md): Hiller UN-12D · Castle Rock, WA · Accident · Minor injuries · Closed · Jun 10, 1981 · N62377 · Destroyed
- [NTSB CHI81FCA05](https://openairdocs.org/ntsb/CHI81FCA05.md): Hiller UH-12D · Cahokia, IL · Accident · No injuries · Closed · Apr 17, 1981 · N2MJ · Substantial damage
- [NTSB MIA81FA053](https://openairdocs.org/ntsb/MIA81FA053.md): Hiller UH-12D · Miami Beach, FL · Accident · Minor injuries · Closed · Mar 20, 1981 · N62376 · Destroyed
- [NTSB MIA81FKT31](https://openairdocs.org/ntsb/MIA81FKT31.md): Hiller Acft UH-12D · Miami, FL · Accident · No injuries · Closed · Mar 8, 1981 · N62362 · Substantial damage
- [NTSB SEA80DYE03](https://openairdocs.org/ntsb/SEA80DYE03.md): Hiller Acft UH-12D · Amanda Park, WA · Accident · No injuries · Closed · Oct 29, 1979 · N62377 · Substantial damage
- [NTSB MKC79FTG12](https://openairdocs.org/ntsb/MKC79FTG12.md): Hiller UH-12D · Minot, ND · Accident · No injuries · Closed · Jul 21, 1979 · N62397 · Substantial damage
- [NTSB MIA79DKQ10](https://openairdocs.org/ntsb/MIA79DKQ10.md): Hiller UH12D · Drew, MS · Accident · Minor injuries · Closed · May 1, 1979 · N48313 · Substantial damage
- [NTSB LAX77FUM34](https://openairdocs.org/ntsb/LAX77FUM34.md): Hiller Acft UH-12E · Calipatria, CA · Accident · No injuries · Closed · Aug 6, 1977 · N62413 · Substantial damage
- [NTSB MIA77FKT05](https://openairdocs.org/ntsb/MIA77FKT05.md): Hiller UH-12D · Lake Worth, FL · Accident · No injuries · Closed · Oct 23, 1976 · N62401 · Substantial damage
- [NTSB MKC76FCD47](https://openairdocs.org/ntsb/MKC76FCD47.md): Hiller Acft UH-12D · Dallas Center, IA · Accident · No injuries · Closed · Jun 6, 1976 · N79SW · Destroyed
- [NTSB MIA76FKT61](https://openairdocs.org/ntsb/MIA76FKT61.md): Hiller UH-12D · Miami, FL · Accident · Minor injuries · Closed · Mar 15, 1976 · N62362 · Substantial damage
- [NTSB MKC76FCD13](https://openairdocs.org/ntsb/MKC76FCD13.md): Hiller Acft H-23D · Lakewood, IA · Accident · Minor injuries · Closed · Sep 11, 1975 · N79SW · Destroyed
- [NTSB MKC75FCD46](https://openairdocs.org/ntsb/MKC75FCD46.md): Hiller Acft H-23D · Nevada, IA · Accident · No injuries · Closed · Jun 16, 1975 · N79SW · 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 ('4360120')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/model/hiller-h-23d/ntsb

---
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.