# NTSB investigations: Kaman HH-43F: Loss of control - in flight

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 ATL92LA075](https://openairdocs.org/ntsb/ATL92LA075.md): Kaman HH-43F · Manteo, NC · Accident · No injuries · Limited investigation · Final report · Apr 9, 1992 · N100PL · Substantial damage
  > The pilot's improper use of the flight controls, in that he inadvertently activated the tail rotor pedals. Factors in the accident were the cross wind, and the slope of the landing area.
- [NTSB LAX91LA377](https://openairdocs.org/ntsb/LAX91LA377.md): Kaman HH43 B/F · Coleville, CA · Accident · 1 fatal · Limited investigation · Final report · Aug 31, 1991 · N53RH · Destroyed
  > The failure of the pilot to adequately calculate the helicopter performance. Contributing to the accident was a delay in jettisoning the external load; the pilot's overconfidence in his abilities; and exceeding of the helicopter's hover ability during high…

## 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 ('4800708')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 250))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4800708&occurrence=250

---
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.
