# NTSB investigations: Beech C90: Airframe/component/system failure/malfunction

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 ATL90FA001](https://openairdocs.org/ntsb/ATL90FA001.md): Beech C90 · Chamblee, GA · Accident · 2 fatal · Field investigation · Final report · Oct 1, 1989 · N43GT · Destroyed
  > Malfunction of one or more flight instruments for an undetermined reason, failue of the pilot to maintain control of the aircraft with partial panel instruments after becoming spatially disoriented, and his exceeding the design stress limits of the aircraft.…
- [NTSB ATL88MA048](https://openairdocs.org/ntsb/ATL88MA048.md): Beech C90 · Beaufort, SC · Accident · 2 fatal · Major investigation · Final report · Nov 30, 1987 · N4463W · Destroyed
  > At 0938, while clbg thru 9000', the plt was clrd to clb to FL 210. Aprx 10 min later, the ATC ctlr noted the acft's mode c rtrn wasn't being displayed on his scope. He tried to adz the plt, but couldn't establish radio contact. The acftbroke up in flt & the…
- [NTSB ATL84IA134](https://openairdocs.org/ntsb/ATL84IA134.md): Beech C90 · Herndon, VA · Incident · No injuries · Incident investigation · Final report · Mar 29, 1984 · N66KA · Minor damage
  > The acft entered an uncommanded dive at about 11,000 ft MSL, with recovery made below 2,000 ft MSL. Investigation revealed that during the descent, in order to accomodate other air traffic, the plt exceeded vne speeds. Shortly, thereafter the elevator trim…

## 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 ('1152913', '1153928')
    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" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1152913&occurrence=130

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