# NTSB investigations, 2019: Aircraft structural failure

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 CEN20CA033](https://openairdocs.org/ntsb/CEN20CA033.md): Piper PA18 · Kerrville, TX · Accident · No injuries · Data collection · Final report · Nov 23, 2019 · N530AK · Substantial damage
  > The pilot’s loss of airplane control during the landing flare, which resulted in a loss of directional control and ground-loop.
- [NTSB ERA20FA021](https://openairdocs.org/ntsb/ERA20FA021.md): Piper PA28R · Atlanta, GA · Accident · 2 fatal · Class 3 · Field · Final report · Oct 30, 2019 · N56258 · Destroyed
  > The pilot's loss of control due to spatial disorientation while flying in instrument meteorological conditions. Contributing to the accident was the failure of the vacuum pump and its associated instruments.
- [NTSB CEN19LA251](https://openairdocs.org/ntsb/CEN19LA251.md): Ryan Navion · Chicago, IL · Accident · No injuries · Class 3 · Limited · Final report · Jul 27, 2019 · N27AW · Substantial damage
  > The failure of the left main landing gear upper side brace assembly during landing due to reverse bending fatigue as a result of the incomplete penetration of the circumferential weld during initial production of the component.
- [NTSB CEN19LA215](https://openairdocs.org/ntsb/CEN19LA215.md): Beech 65 · Sidney, NE · Accident · No injuries · Class 3 · Limited · Final report · Jul 9, 2019 · N62069 · Substantial damage
  > The improper maintenance of the outboard left wing, which allowed electrical arcing and leaking of the fuel sending unit and subsequently resulted in ignition of fuel vapors and an explosion of the outboard left wing.
- [NTSB CEN19LA183](https://openairdocs.org/ntsb/CEN19LA183.md): Piper PA24 · Greeley, CO · Accident · No injuries · Class 3 · Limited · Final report · Jun 24, 2019 · N5866P · Substantial damage
  > The pilot’s improper landing flare, which resulted in failure of the right main landing gear and a subsequent loss of control.
- [NTSB WPR19FA161](https://openairdocs.org/ntsb/WPR19FA161.md): Lockwood Aircam · Hemet, CA · Accident · 1 fatal · Class 2 · Field · Final report · Jun 8, 2019 · N123GN · Substantial damage
  > The pilot/builder's improper installation of the left wing during the build process, which resulted in the wing failing during takeoff.
- [NTSB ERA19FA188](https://openairdocs.org/ntsb/ERA19FA188.md): Piper PA46 · Castalia, NC · Accident · 4 fatal · Class 3 · Field · Final report · Jun 7, 2019 · N709CH · Destroyed
  > The pilot’s failure to navigate around hazardous weather, resulting in the penetration of a thunderstorm, a loss of airplane control, and an inflight breakup. The air traffic controller’s failure to provide the pilot with adequate and timely weather…
- [NTSB WPR19LA171](https://openairdocs.org/ntsb/WPR19LA171.md): Beech 35 · Deer Park, WA · Accident · No injuries · Class 3 · Limited · Final report · May 3, 2019 · N2839V · Substantial damage
  > An empennage flutter event for reasons that could not be determined based on the available information.
- [NTSB WPR19FA123](https://openairdocs.org/ntsb/WPR19FA123.md): Robinson R44 · Kailua, HI · Accident · 3 fatal · Class 3 · Field · Final report · Apr 29, 2019 · N808NV · Destroyed
  > The helicopter’s encounter with a strong downdraft or outflow boundary while operating at a higher than recommended airspeed in turbulence which resulted in a low-G condition, excessive main rotor flapping, and an in-flight breakup when the main rotor…
- [NTSB ERA19LA137](https://openairdocs.org/ntsb/ERA19LA137.md): Pilatus PC12 · Fort Lauderdale, FL · Accident · No injuries · Class 3 · Limited · Final report · Mar 24, 2019 · N944BT · Substantial damage
  > Improper maintenance of the windshield, which resulted in delamination and in-flight depressurization.
- [NTSB CEN19FA094](https://openairdocs.org/ntsb/CEN19FA094.md): Cessna T337 · Longview, TX · Accident · 4 fatal · Field investigation · Final report · Mar 9, 2019 · N922EJ · Destroyed
  > The noninstrument-rated pilot's improper decision to continue flight into convective weather conditions, which resulted in the airplane exceeding its maximum maneuvering speed and the subsequent in-flight breakup. Contributing to the accident was the pilot's…
- [NTSB WPR19LA088](https://openairdocs.org/ntsb/WPR19LA088.md): Lancair IV · Laramie, WY · Accident · No injuries · Class 3 · Limited · Final report · Feb 10, 2019 · N549CJ · Substantial damage
  > An environmental stress cracking failure of the acrylic windshield, which resulted in a rapid decompression during cruise flight.

## 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") = 2019
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '337' 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/337/sequence?year=2019

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