# NTSB investigations: Mcdonnell Douglas Helicopter 369E, CA

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 LAX02GA209](https://openairdocs.org/ntsb/LAX02GA209.md): McDonnell Douglas 369E · Ontario, CA · Accident · Serious injuries · Final report · Jun 25, 2002 · N40NT · Destroyed
  > The mechanic's improper maintenance procedures (FOD prevention) during a 100-hour inspection, which resulted in foreign object damage (FOD) to the compressor section and catastrophic engine failure. Factors were the presence of vehicles and power lines…
- [NTSB LAX92T#A05](https://openairdocs.org/ntsb/LAX92T%23A05.md): McDonnell Douglas 369E · San Diego, CA · Accident · No injuries · Class 3 · Final report · May 12, 1992 · N16069 · Substantial damage
- [NTSB LAX91TL#02](https://openairdocs.org/ntsb/LAX91TL%2302.md): McDonnell Douglas 369E · Llano, CA · Accident · Minor injuries · Class 3 · Final report · Nov 10, 1990 · N234RF · Substantial damage
- [NTSB LAX91TL#01](https://openairdocs.org/ntsb/LAX91TL%2301.md): McDonnell Douglas 369E · Los Alamitos, CA · Accident · No injuries · Class 3 · Final report · Nov 6, 1990 · N241JH · Substantial damage
- [NTSB LAX90LA171](https://openairdocs.org/ntsb/LAX90LA171.md): Hughes 369E · Firebaugh, CA · Accident · No injuries · Limited investigation · Final report · May 11, 1990 · N5217N · Substantial damage
  > Failure by company maintenance to perform a mandatory compressor section inspection that resulted in the undetected erosion of the compressor vanes and engine failure. Contributing to the accident was the failure of the pilot to maintain adequate main rotor…
- [NTSB LAX90FA060](https://openairdocs.org/ntsb/LAX90FA060.md): McDonnell Douglas 369E · Santa Rosa, CA · Accident · 1 fatal · Field investigation · Final report · Dec 29, 1989 · N1604L · Destroyed
  > The pilot's improper preflight planning/decision which resulted in the loss of tail rotor effectiveness. Contributing to the accident was the pilot allowing the maximum gross weight of the aircraft to be exceeded, and the tailwind.

## 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" = 'CA' 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 ('3027369'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3027369&state=CA

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