NTSB investigations: Douglas DC-9-31
9 cases on aircraft the registry lists as Douglas DC-9-31, where the first occurrence was “Airframe/component/system failure/malfunction”. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1982 | 1 |
|---|---|
| 1987 | 1 |
| 1988 | 1 |
| 1989 | 1 |
| 1990 | 4 |
| 1997 | 1 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "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\" = 130))
ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB CHI97IA195Incident · No injuriesIncident investigationFinal reportMcDonnell Douglas DC-9-30 · Flint, MIAn electrical short in the wiring of the left wingtip oscillating position light auto transformer and a failure of the system circuit breaker.NTSB ATL90IA126Incident · No injuriesIncident investigationFinal reportDouglas DC-9-31 · Atlanta, GAInadequate maintenance inspection by operator personnel which resulted in operation of the tire while under-inflated.NTSB ATL90IA124Incident · No injuriesIncident investigationFinal reportDouglas DC-9-31 · Atlanta, GAFailure of the ac cross tie relay, which prevented the generators from being reconnected to the electrical system. A factor in the incident was the loss of the left generator in flight. Factors include inadvertently disconnecting the left generator while…NTSB ATL90IA076Incident · No injuriesIncident investigationFinal reportDouglas DC-9-31 · Atlanta, GAInadequate servicing of the airplane by operator maintenance personnel which resulted in the burst tire. Factors in the accident were hydraulic system lines which were fractured by debris from the burst tire and a total failure of the airplane hydraulic…NTSB ATL90IA060Incident · Minor injuriesIncident investigationFinal reportDouglas DC-9-31 · Louisville, KYThe disabling of the main landing gear torque link which allowed the truck to rotate freely. The torque link was disabled when excessive vibration was generated by excessive play of the torque link pins in their bushings.NTSB DEN90IA012Incident · Minor injuriesIncident investigationFinal reportMcdonnell Douglas DC-9 · Monte Vista, COThe poor inflight planning and decisions made by the flight crew following the failure of the number two generator constant speed drive unit. Contributing factors to the accident were the failure of the no. 2 generator constant speed drive unit and the crew's…NTSB MKC89IA024Incident · No injuriesIncident investigationFinal reportMcdonnell Douglas DC9-31 · Minneapolis, MNThe failure of the left main landing gear tire carcass and the ingestion of the tire debris into the left engine which hindered normal operation.NTSB ATL88IA037Incident · No injuriesIncident investigationFinal reportDouglas DC-9-31 · Cleveland, OHWhile descending into Cleveland from 25,000 feet the pilot, experienced a violent lurch in the airframe. The flight continued and landed without incident. An aircraft examination disclosed that the right upper thrust reverser drive link was broken. Further…NTSB SEA82IA101Incident · No injuriesIncident investigationFinal reportDouglas DC-9-31 · Boise, IDAfter a gate delay to load late passengers, the flight was cleared for takeoff on runway 28L. About 4 seconds after rotation speed was called, the stickshaker activated and the takeoff was aborted. A readout of the CVR indicated that the thrust reversers were…