# NTSB investigations, 2018: 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 GAA19CA096](https://openairdocs.org/ntsb/GAA19CA096.md): Beech 36 · Hartford, WI · Accident · No injuries · Data collection · Final report · Dec 12, 2018 · N6650M · Substantial damage
  > The pilot's exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall and impact with terrain during landing in icing conditions.
- [NTSB CEN19FA029](https://openairdocs.org/ntsb/CEN19FA029.md): Beech 55 · Liberal, KS · Accident · 2 fatal · Field investigation · Final report · Nov 17, 2018 · N4817M · Substantial damage
  > The pilot's improper decision to fly in an area where moderate icing conditions were forecasted in an airplane that was not certified for such conditions, and in the effort to get out of the icing conditions, his decision to fly below the minimum descent…
- [NTSB ERA19FA039](https://openairdocs.org/ntsb/ERA19FA039.md): Cessna 310 · Walton, NY · Accident · 1 fatal · Field investigation · Final report · Nov 9, 2018 · N5044J · Destroyed
  > An in-flight fire of undetermined origin. Contributing to the accident were the severe icing conditions encountered during the final minutes of the flight, which led to a loss of airplane control.
- [NTSB CEN19FA008](https://openairdocs.org/ntsb/CEN19FA008.md): Cessna 182 · Canoncito, NM · Accident · 2 fatal · Class 3 · Field · Final report · Oct 16, 2018 · N9326G · Substantial damage
  > The partial loss of engine power due to induction system icing. Contributing to the accident was the fractured carburetor heat control cable, which rendered the carburetor heat inoperative.
- [NTSB CEN18LA146](https://openairdocs.org/ntsb/CEN18LA146.md): Cessna T303 · Pine Ridge, SD · Accident · Minor injuries · Limited investigation · Final report · Apr 24, 2018 · N9746C · Substantial damage
  > The airplane’s inadvertent encounter with severe icing conditions during descent, which resulted in structural icing, the pilot’s inability to maintain altitude, and an emergency landing. Contributing to the accident was an incomplete preflight weather…
- [NTSB CEN18FA144](https://openairdocs.org/ntsb/CEN18FA144.md): Cirrus Design SR22 · Williamsburg, PA · Accident · 2 fatal · Field investigation · Final report · Apr 19, 2018 · N451TD · Destroyed
  > The pilot's failure to obtain an updated weather briefing before the flight and his subsequent loss of airplane control due to spatial disorientation while maneuvering in instrument meteorological conditions during a diversion to an alternate airport after…
- [NTSB CEN18FA143](https://openairdocs.org/ntsb/CEN18FA143.md): Beech G33 · Warsaw, OH · Accident · 2 fatal · Field investigation · Final report · Apr 16, 2018 · N9345Q · Substantial damage
  > The pilot's decision to continue flight in known icing conditions, which resulted in structural icing, degraded airplane performance, and a subsequent loss of control. Contributing to the accident was the pilot's failure to obtain an official weather briefing…
- [NTSB CEN18LA077](https://openairdocs.org/ntsb/CEN18LA077.md): Bryk Steven L Velocity XL RG · Santa Fe, NM · Accident · Serious injuries · Class 3 · Limited · Final report · Jan 16, 2018 · N787SB · Substantial damage
  > The airplane’s inadvertent encounter with unforecasted icing conditions during cruise flight, which resulted in the accumulation of airframe icing, the airplane’s inability to maintain altitude, and a subsequent forced landing on rough terrain.

## 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") = 2018
  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=2018

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