# NTSB investigations, 2022: Structural icing

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 CEN23LA091](https://openairdocs.org/ntsb/CEN23LA091.md): Cessna 150G · Pocahantas, IA · Accident · No injuries · Class 4 · Limited · Final report · Dec 20, 2022 · N2930J · Substantial damage
  > The pilot’s landing flare which resulted in a bounced landing and the nose landing gear collapsing. Contributing to the accident was the airplane's encounter with adverse weather conditions which led to structural icing that affected flight characteristics…
- [NTSB WPR22FA173](https://openairdocs.org/ntsb/WPR22FA173.md): Blue Side UP Comp AIR 8 SS52 · Grasmere, ID · Accident · 2 fatal · Class 3 · Field · Final report · May 8, 2022 · N801DT · Substantial damage
  > The pilot’s failure to maintain proper airspeed and his exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall.
- [NTSB ERA22LA191](https://openairdocs.org/ntsb/ERA22LA191.md): Piper PA-32-260 · Grantsville, MD · Accident · Minor injuries · Class 3 · Limited · Final report · Apr 16, 2022 · N3618W · Substantial damage
  > The pilot’s decision to continue the flight into an area of moderate to heavy icing conditions, which resulted in a degradation of airplane performance and subsequent loss of control.
- [NTSB ANC22LA013](https://openairdocs.org/ntsb/ANC22LA013.md): Leach Michael Rans S7S · Winnemucca, NV · Accident · Minor injuries · Class 4 · Limited · Final report · Jan 16, 2022 · N828S · Substantial damage
  > The pilot’s failure to ensure the airplane’s wings were free of contaminates before departure.

## 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") = 2022
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '210' 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/210/sequence?year=2022

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