# NTSB investigations: Douglas DC-9-31: In flight encounter with weather

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 CHI91IA175](https://openairdocs.org/ntsb/CHI91IA175.md): Douglas DC-9-32 · Kansas City, MO · Incident · Minor injuries · Incident investigation · Final report · May 29, 1991 · N933ML · No damage
  > Inadequate design by the manufacturers. Factors associated with the incident are inadequate certification/approval by the federal aviation administration and clear air turbulence.
- [NTSB MIA91LA005](https://openairdocs.org/ntsb/MIA91LA005.md): Mcdonnell Douglas DC-9-31 · Cape Canaveral, FL · Accident · 1 fatal · Limited investigation · Final report · Oct 4, 1990 · N8923E · No damage
  > Failure of the captain to follow procedures, his improper in-flight planning/decision by allowing the aircraft to continue into the overhang (anvil) of a thunderstorm, failure of the passengers to abide by procedures/instructions concerning use of seat belts,…
- [NTSB ATL86LA202](https://openairdocs.org/ntsb/ATL86LA202.md): Douglas DC-9-31 · Montgomery, AL · Accident · Serious injuries · Limited investigation · Final report · Jul 21, 1986 · N9332 · Minor damage
  > During flt, the acft encountered turbulence (turbc) while flying in the vicinity of a thunderstorm (tstm). During the occurrence, a flt attendant, who was serving beverages, sustained a fractured lumbar vertebrae. Radar data revealed the acft was about 4 mi…
- [NTSB ATL84LA235](https://openairdocs.org/ntsb/ATL84LA235.md): Douglas DC-9-31 · Augusta, GA · Accident · Serious injuries · Limited investigation · Final report · Jul 25, 1984 · N8978E · No damage
  > During a turbulence encounter a pax standing in the rear of the cabin fell and suffered a fractured leg. The seat belt sign was illuminated for the entire flt. At the direction of the capt, in-flt service by the flt attendants was terminated. The injured pax…
- [NTSB DCA84AA028](https://openairdocs.org/ntsb/DCA84AA028.md): Mcdonnell Douglas DC-9-31 · Detroit, MI · Accident · Minor injuries · Final report · Jun 13, 1984 · N964VJ · Substantial damage
  > During arrival, the aircrew (visually & by use of wx radar) noted thunderstorms (tstms) west & southwest of the arpt. The crew elected to continue & make an ILS apch. At 1636, a spcl wx obsn had tstm info, but was not noted. At 1650, the vis dropped to 1/4 mi…

## 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 ('3022065')
    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" = 240))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3022065&occurrence=240

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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.