# NTSB investigations, 2023: Emergency descent initiated

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 WPR24LA067](https://openairdocs.org/ntsb/WPR24LA067.md): Bell 206B · El Centro, CA · Accident · No injuries · Class 3 · Limited · Final report · Dec 24, 2023 · N111PM · Substantial damage
  > An in-flight failure of the engine-to-transmission driveshaft due to a fatigue fracture of the forward-most flex plate in the forward KAflex coupling that resulted from a loose bolt attachment between the flex plate and the forward driveshaft coupling.…
- [NTSB WPR23LA294](https://openairdocs.org/ntsb/WPR23LA294.md): Cessna 195 · Ravensdale, WA · Accident · No injuries · Class 3 · Limited · Final report · Jul 30, 2023 · N195JL · Substantial damage
  > Partial loss of power for undetermined reasons. Contributing to the accident was the siphoning of fuel from the left-wing fuel filler port due to wear on the fuel filler cap.
- [NTSB CEN23LA166](https://openairdocs.org/ntsb/CEN23LA166.md): Protech PT2 · Columbia, MS · Accident · No injuries · Class 3 · Limited · Final report · Apr 25, 2023 · N44048 · Substantial damage
  > The pilot’s lack of proper maintenance, which allowed the fuel filters to become obstructed, leading to fuel starvation and a subsequent engine power loss.

## 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 year(c."eventDate") = 2023
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '130' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/130/sequence?year=2023

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