# NTSB investigations, 2015: Pressure/environ sys malf/fail

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 ENG15WA029](https://openairdocs.org/ntsb/ENG15WA029.md): Embraer ERJ170 - 200STD · Niigata, Japan · Incident · No injuries · Foreign investigation · Jul 7, 2015 · JA06FJ · No damage
  > On July 7, 2015, an Embraer ERJ170 experienced a bleed system failure during climb after take-off from New Chitose Airport (RJCC), Chitose, Japan. The aircraft diverted to Niigata Airport (RJSN). No one on board the aircraft was injured. The incident is being…
- [NTSB DCA15WA147](https://openairdocs.org/ntsb/DCA15WA147.md): Boeing 737 · Tanegashima, Japan · Incident · No injuries · Foreign investigation · Jun 30, 2015 · JA8525 · Minor damage
  > The Japan Transportation Safety Board (JTSB) has notified the NTSB of an incident involving a Boeing 737 that occurred on June 30, 2015. The NTSB has appointed a U.S. Accredited Representative to assist the government of JTSB's investigation under the…
- [NTSB ERA15LA328](https://openairdocs.org/ntsb/ERA15LA328.md): Gulfstream Aerospace G IV · Caribbean Sea, A1 · Accident · No injuries · Limited investigation · Final report · Apr 10, 2015 · N450KK · Substantial damage
  > The in-flight failure of the cabin pressurization relief/safety valve (CPRV) due to an obstruction of the CPRV static port, which allowed the airplane to overpressurize. The reason for the initial overpressurization condition could not be determined.

## 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") = 2015
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '331' 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/331/sequence?year=2015

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