# NTSB investigations: Piper PA 46-350P: 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 ERA21LA122](https://openairdocs.org/ntsb/ERA21LA122.md): Piper PA46 · Leicester, MA · Accident · Serious injuries · Class 3 · Limited · Final report · Feb 2, 2021 · N221ST · Substantial damage
  > The pilot’s failure to maintain the minimum airspeed for flight in icing conditions, which resulted in a loss of elevator control during approach due to ice accumulation.
- [NTSB GAA16CA107](https://openairdocs.org/ntsb/GAA16CA107.md): Piper PA 46 · Ottawa, KS · Accident · Minor injuries · Data collection · Final report · Jan 19, 2016 · N113WB · Substantial damage
  > The flight crews encounter with un-forecasted freezing rain resulting in an uncontrolled descent, forced landing, and substantial damage to the airplane's firewall, and forward pressure bulkhead.
- [NTSB CEN13LA198](https://openairdocs.org/ntsb/CEN13LA198.md): Piper PA 46-350P · Rogers, AR · Accident · No injuries · Limited investigation · Final report · Mar 11, 2013 · N71DH · Substantial damage
  > The pilot’s failure to maintain control due to a sudden turbulence encounter while on final approach. Contributing to the accident was ice buildup on the wings’ leading edges.

## 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 c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7104620', '7104619', '7104627', '7104618')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND 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?model=7104620

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