# NTSB investigations, 2020: Part(s) separation from AC

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 CEN21LA041](https://openairdocs.org/ntsb/CEN21LA041.md): Cirrus SR22 · Xenia, OH · Accident · No injuries · Class 4 · Limited · Final report · Oct 22, 2020 · N513JP · Substantial damage
  > The airplane’s impact with a deer during takeoff.
- [NTSB ANC20LA098](https://openairdocs.org/ntsb/ANC20LA098.md): Cessna 182 · King Salmon, AK · Accident · No injuries · Class 3 · Limited · Final report · Sep 21, 2020 · N182KT · Substantial damage
  > The fatigue fracture failure of the left main landing gear U-bolt during landing, which resulted in the collapse and separation of the left main landing gear spring.
- [NTSB ANC20LA089](https://openairdocs.org/ntsb/ANC20LA089.md): Eurocopter AS 350 · Fort Greely, AK · Accident · No injuries · Class 3 · Limited · Final report · Sep 6, 2020 · N354PA · Substantial damage
  > Failure of the door lock due to interference between the door and a cargo box.
- [NTSB CEN20CA348](https://openairdocs.org/ntsb/CEN20CA348.md): Progressive Aerodyne Searey · League City, TX · Accident · No injuries · Class 4 · Data collection · Final report · Aug 17, 2020 · N502BK · Substantial damage
  > The pilot's failure to maintain airplane control during a water takeoff after an encounter with the wake from a boat.
- [NTSB CEN20LA327](https://openairdocs.org/ntsb/CEN20LA327.md): Grumman G164 · Alicia, AR · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 3, 2020 · N8105K · Substantial damage
  > Inadequate maintenance of panel fasteners, which led to a side panel coming loose during takeoff and the pilot having to make a subsequent forced landing to a flooded rice field when the airplane became difficult to control.
- [NTSB WPR20CA275](https://openairdocs.org/ntsb/WPR20CA275.md): Cessna A185 · Susanville, CA · Accident · No injuries · Class 4 · Data collection · Final report · Aug 1, 2020 · N60934 · Substantial damage
  > The pilot's failure to maintain directional control during takeoff with a tailwind, which resulted in a subsequent collapse of the right main landing gear.
- [NTSB CEN20LA294](https://openairdocs.org/ntsb/CEN20LA294.md): Rockwell S2R · Harlan, IA · Accident · No injuries · Class 3 · Limited · Final report · Jul 20, 2020 · N1662S · Substantial damage
  > The fatigue fracture of the upper rudder hinge that resulted in a partial separation of the rudder from the airplane during a spray pass.
- [NTSB WPR20LA224](https://openairdocs.org/ntsb/WPR20LA224.md): Hiller UH 12D · Mehama, OR · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 17, 2020 · N2297W · Destroyed
  > An in-flight separation of a tail rotor blade due to fatigue cracking and overstress, which resulted in a loss of directional control and subsequent ground impact.
- [NTSB ANC20LA064](https://openairdocs.org/ntsb/ANC20LA064.md): Piper PA22 · Soldotna, AK · Accident · No injuries · Class 3 · Limited · Final report · Jul 4, 2020 · N3604A · Substantial damage
  > The delamination of the fabric material from the fuselage above the windscreen due to failed adhesive, which resulted in disrupted airflow and a subsequent hard landing.
- [NTSB ERA20LA206](https://openairdocs.org/ntsb/ERA20LA206.md): Piper PA 31T · Eatonton, GA · Accident · 5 fatal · Class 3 · Limited · Final report · Jun 5, 2020 · N135VE · Destroyed
  > The pilot’s failure to maintain control of the airplane while maneuvering in instrument meteorological conditions, which placed the airplane in an unusual attitude from which the pilot could not recover. Contributing to the accident was the convective and…
- [NTSB CEN20LA207](https://openairdocs.org/ntsb/CEN20LA207.md): Icon A5 · Duluth, MN · Accident · No injuries · Class 3 · Limited · Final report · Jun 3, 2020 · N838BA · Substantial damage
  > The pilot’s failure to remove an object from the airplane’s exterior, which impacted the propeller blades when he applied full power, causing them to fracture and damage the airplane.
- [NTSB DCA20LA107](https://openairdocs.org/ntsb/DCA20LA107.md): Boeing 737 · Victorville, CA · Accident · No injuries · Class 3 · Limited · Final report · May 19, 2020 · N820TJ · Substantial damage
  > Improper installation of dorsal fin attach bolts which caused the dorsal fin to separate during flight, substantially damaging the left horizontal stabilizer.
- [NTSB WPR20LA130](https://openairdocs.org/ntsb/WPR20LA130.md): Bell UH 1H · Mesa, AZ · Accident · 1 fatal · Class 3 · Limited · Final report · Apr 24, 2020 · N3276T · Substantial damage
  > An in-flight separation of the tail rotor gearbox from the airframe due to fatigue failure of the gearbox attachment studs, resulting in a loss of directional control and subsequent ground impact. Contributing to the accident were 1) the improper application…
- [NTSB ERA20CA153](https://openairdocs.org/ntsb/ERA20CA153.md): Lancair Super ES · Merritt Island, FL · Accident · No injuries · Data collection · Final report · Apr 19, 2020 · N855SH · Substantial damage
  > The pilot's failure to maintain a stabilized approach and improper landing flare, which resulted in a porpoised landing.
- [NTSB ERA20CA135](https://openairdocs.org/ntsb/ERA20CA135.md): AugustaWestland AW119MKII · Philadelphia, PA · Accident · No injuries · Data collection · Final report · Mar 21, 2020 · N982SS · Substantial damage
  > The in-flight failure of the lower left side of the engine cowling due to the mechanic’s improper installation of the fasteners, which resulted in the cowling impacting all four main rotor blades.
- [NTSB ERA20FA118](https://openairdocs.org/ntsb/ERA20FA118.md): Piper PA46 · Bishop, GA · Accident · 3 fatal · Class 3 · Field · Final report · Mar 3, 2020 · N43368 · Destroyed
  > The pilot’s encounter with a rain shower updraft and severe turbulence, which resulted in a loss of airplane control and an inflight breakup. Contributing to the accident was the pilot’s reliance on outdated weather information on his in-cockpit weather…
- [NTSB DCA20WA106](https://openairdocs.org/ntsb/DCA20WA106.md): Embraer ERJ190 · Rosario, Argentina · Incident · No injuries · Foreign investigation · Feb 17, 2020 · LV-CHQ · Minor damage
  > The Junta de Seguridad en el Transporte (JST) Republica Argentina Direccion Nacional de Investigaciones (JIAAC) has notified the NTSB of an incident involving a EMBRAER ERJ190 airplane that occurred on February 17, 2020. The NTSB has appointed a U.S.…
- [NTSB WPR20CA102](https://openairdocs.org/ntsb/WPR20CA102.md): Mooney M20K · Minden, NV · Accident · No injuries · Data collection · Final report · Feb 14, 2020 · N231VM · Substantial damage
  > The pilot’s failure to complete a before landing checklist, which resulted in his delayed extension of the landing gear, and his subsequent exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall.
- [NTSB CEN20LA082](https://openairdocs.org/ntsb/CEN20LA082.md): Cessna 560 · Aledo, TX · Accident · No injuries · Class 3 · Limited · Final report · Feb 12, 2020 · N654CE · Substantial damage
  > The in-flight separation of the upper and lower right engine cowlings for reasons that could not be determined based on available evidence.
- [NTSB ERA20CA091](https://openairdocs.org/ntsb/ERA20CA091.md): Cessna 185 · Laytonsville, MD · Accident · No injuries · Data collection · Final report · Jan 17, 2020 · N1557F · Substantial damage
  > The failure of the tailwheel attachment tube during the takeoff roll, which resulted in a loss of directional control, a runway excursion, and the left main landing gear collapsing.
- [NTSB WPR20CA064](https://openairdocs.org/ntsb/WPR20CA064.md): Airborne XT912 · Hawthorne, CA · Accident · Minor injuries · Data collection · Final report · Jan 13, 2020 · N805M · Substantial damage
  > The student pilot's failure to arrest the airplane’s descent rate, which resulted in a hard landing.
- [NTSB ERA20FA074](https://openairdocs.org/ntsb/ERA20FA074.md): Robinson R66 · Mechanicsburg, PA · Accident · 2 fatal · Class 3 · Field · Final report · Jan 10, 2020 · N450MC · Destroyed
  > A severe left roll excursion after the onset of pitch and roll oscillations, which were not arrested by the pilot for undetermined reasons. This resulted in main rotor blade contact with the airframe and a subsequent inflight breakup of the helicopter.
- [NTSB WPR20LA062](https://openairdocs.org/ntsb/WPR20LA062.md): Cessna 172H · El Monte, CA · Accident · No injuries · Class 3 · Limited · Final report · Jan 6, 2020 · N1658F · Substantial damage
  > The inflight separation of a section of a propeller blade due to a fatigue crack which resulted in a forced landing.
- [NTSB WPR20CA060](https://openairdocs.org/ntsb/WPR20CA060.md): Cessna 150 · Twentynine Palms, CA · Accident · No injuries · Data collection · Final report · Jan 4, 2020 · N45069 · Substantial damage
  > The pilot's poor preflight planning, during which he failed to verify the proper procedure to activate the runway lights; his inability to locate the airport without lighting; and the airplane’s subsequent low-fuel state as he circled looking for the airport,…

## 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") = 2020
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '338' 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/338/sequence?year=2020

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