# NTSB investigations, 2021: 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 DCA22WA051](https://openairdocs.org/ntsb/DCA22WA051.md): Boeing 737 · West Sumatera, Indonesia · Incident · No injuries · Class 5 · Foreign · Dec 13, 2021 · PK-LQR · No damage
- [NTSB DCA22WA033](https://openairdocs.org/ntsb/DCA22WA033.md): Boeing 737 · Patna, India · Incident · Class 5 · Foreign · Nov 17, 2021 · VT-SYZ · No damage
- [NTSB DCA22WA025](https://openairdocs.org/ntsb/DCA22WA025.md): Boeing 737 · Darwin, Australia · Incident · Class 5 · Foreign · Nov 3, 2021 · ZK-FXJ · No damage
- [NTSB DCA22WA020](https://openairdocs.org/ntsb/DCA22WA020.md): Boeing 787-9 · Baradero, Argentina · Incident · No injuries · Class 5 · Foreign · Nov 3, 2021 · N36962 · No damage
- [NTSB DCA22WA022](https://openairdocs.org/ntsb/DCA22WA022.md): Boeing 737 · Casablanca, Morocco · Incident · Class 5 · Foreign · Oct 10, 2021 · CN-ROR · No damage
- [NTSB DCA21WA222](https://openairdocs.org/ntsb/DCA21WA222.md): Boeing 737 · Katowice, Poland · Incident · Class 5 · Foreign · Sep 13, 2021 · EI-STL · No damage
- [NTSB DCA21WA180](https://openairdocs.org/ntsb/DCA21WA180.md): Boeing 737 · Ballarat, Australia · Incident · No injuries · Class 5 · Foreign · Jul 6, 2021 · VH-XMO · No damage
- [NTSB DCA21WA173](https://openairdocs.org/ntsb/DCA21WA173.md): Boeing 737 · Caracas, Venezuela · Incident · Class 5 · Foreign · Jun 28, 2021 · YV-3158 · No damage
- [NTSB CEN21LA268](https://openairdocs.org/ntsb/CEN21LA268.md): Cessna 172S · Saint James, LA · Accident · No injuries · Class 4 · Limited · Final report · Jun 10, 2021 · N365CP · Substantial damage
  > The in-flight fatigue failure of an air-conditioning system hose which resulted in a precautionary landing and impact with a road sign.
- [NTSB DCA21WA100](https://openairdocs.org/ntsb/DCA21WA100.md): Boeing 737 · Tijuana, Mexico · Incident · Class 5 · Foreign · Mar 16, 2021 · XA-AMM · No damage
- [NTSB DCA21WA075](https://openairdocs.org/ntsb/DCA21WA075.md): Boeing 737 · Durban, South Africa · Incident · Class 5 · Foreign · Jan 25, 2021 · ZS-SJF · No damage

## 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") = 2021
  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=2021

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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.
