# NTSB investigations: Hughes 269B: Loss of engine power(total) - mech failure/malf

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 SEA00LA188](https://openairdocs.org/ntsb/SEA00LA188.md): Hughes 269B · Burlington, WA · Accident · Minor injuries · Limited investigation · Final report · Sep 24, 2000 · N9355F · Substantial damage
  > Mintenance personnel not following the mandatory service bulletin procedure of not exceeding 0.0005 inch paint thickness on the cylinder flange. Factors were the fatigue separation of multiple cylinder hold down bolts resulting in looseness of the cylinder;…
- [NTSB CHI88FA214](https://openairdocs.org/ntsb/CHI88FA214.md): Hughes 269B · Hampton, IL · Accident · 3 fatal · Field investigation · Final report · Aug 21, 1988 · N9499F · Destroyed
- [NTSB CHI86LA236](https://openairdocs.org/ntsb/CHI86LA236.md): Hughes 269B · Baldwin, WI · Accident · No injuries · Limited investigation · Final report · Sep 26, 1986 · N9427F · Substantial damage
  > After picking up his passenger at williams pipeline, minneapolis, Minnesota, the plt flew eastward along interstate 90 enroute to a pipeline near wausau, Wisconsin. While flying at approximatelly 400 feet, the plt and passenger stated that the engine started…
- [NTSB ATL86LA069](https://openairdocs.org/ntsb/ATL86LA069.md): Hughes 269B · Council, NC · Accident · Serious injuries · Limited investigation · Final report · Feb 4, 1986 · N9374F · Destroyed
  > During a control burning operation, the plt experienced a complete eng failure. The plt entered an autorotation and collided with trees. The eng examination disclosed that the #4 connecting rod had failed. The failure was determined to have resulted from…

## 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 ('4470502')
    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" = 351))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4470502&occurrence=351

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