# NTSB investigations, 2013: 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 ANC14CA010](https://openairdocs.org/ntsb/ANC14CA010.md): Bellanca 7GCBC · Soldotna, AK · Accident · Minor injuries · Data collection · Final report · Dec 4, 2013 · N88342 · Substantial damage
  > The operation of the airplane by the uncertificated student pilot, his failure to recognize conditions conducive to structural icing, and subsequent decision to depart in conditions conducive to structural icing, resulting in a severe icing encounter and…
- [NTSB WPR14FA094](https://openairdocs.org/ntsb/WPR14FA094.md): Beech B36TC · Yellow Pine, ID · Accident · 5 fatal · Field investigation · Final report · Dec 1, 2013 · N36ML · Destroyed
  > The pilot’s continued flight into known light-to-moderate icing conditions over mountainous terrain. Contributing to the accident was the loss of engine power due to induction icing.
- [NTSB CEN14LA074](https://openairdocs.org/ntsb/CEN14LA074.md): Piper PA 28-181 · Rock Lake, ND · Accident · Serious injuries · Limited investigation · Final report · Dec 1, 2013 · N6780F · Substantial damage
  > The noninstrument-rated pilot’s failure to obtain weather briefings immediately before and during the flight and his continued flight into icing conditions, which resulted in the airplane’s loss of performance and the subsequent controlled descent into trees…
- [NTSB CEN14FA032](https://openairdocs.org/ntsb/CEN14FA032.md): Glasair Aviation USA Sportsman GS-2 · Castle Rock, CO · Accident · Serious injuries · Field investigation · Final report · Oct 29, 2013 · N535SP · Substantial damage
  > The pilot’s improper decision to continue flight into known icing conditions, which adversely affected the airplane’s performance and resulted in a loss of airplane control.
- [NTSB CEN14FA009](https://openairdocs.org/ntsb/CEN14FA009.md): Cessna 500 · Derby, KS · Accident · 2 fatal · Field investigation · Final report · Oct 18, 2013 · N610ED · Destroyed
  > The airplane's encounter with severe icing conditions, which resulted in structural icing, and the pilot's increased workload and subsequent disorientation while maneuvering in instrument flight rules (IFR) conditions with malfunctioning flight instruments,…
- [NTSB ANC13CA107](https://openairdocs.org/ntsb/ANC13CA107.md): Piper PA 18-150 · Wasilla, AK · Accident · No injuries · Data collection · Final report · Sep 30, 2013 · N40579 · Substantial damage
  > The pilot's improper preflight inspection, and failure to remove heavy frost from the airplane prior to attempting a takeoff.
- [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.
- [NTSB DCA13WA050](https://openairdocs.org/ntsb/DCA13WA050.md): Bombardier CL600 2B19 · Almaty, Kazakhstan · Accident · 21 fatal · Foreign investigation · Jan 29, 2013 · UP-CJ006 · Destroyed
  > The Accident Investigation Department of the Ministry of Transport and Communications of the Republic of Kazakhstan has notified the NTSB of an accident involving a Bombardier Challenger CRJ-200, registration UP-CJ006, which occurred on January 29, 2013. The…
- [NTSB CEN13FA130](https://openairdocs.org/ntsb/CEN13FA130.md): Raytheon 58 · Maxwell, NE · Accident · 4 fatal · Field investigation · Final report · Jan 11, 2013 · N36VE · Destroyed
  > The pilot’s inadvertent encounter with severe icing conditions, which resulted in structural icing and the subsequent loss of airplane control.
- [NTSB WPR13FA086](https://openairdocs.org/ntsb/WPR13FA086.md): Beech V35A · Woody, CA · Accident · 2 fatal · Field investigation · Final report · Jan 7, 2013 · N35SD · Destroyed
  > An in-flight encounter with icing conditions during descent, which resulted in the airplane exceeding its critical angle-of-attack and experiencing an aerodynamic stall followed by an in-flight breakup.
- [NTSB CEN13FA122](https://openairdocs.org/ntsb/CEN13FA122.md): Bell Helicopter 407 · Clear Lake, IA · Accident · 3 fatal · Field investigation · Final report · Jan 3, 2013 · N445MT · Destroyed
  > The pilot’s inadvertent encounter with localized icing conditions and his subsequent in-flight loss of helicopter control.

## 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") = 2013
  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=2013

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