# NTSB investigations: Lycoming IO-540 series, 2020

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 CEN20LA401](https://openairdocs.org/ntsb/CEN20LA401.md): Piper PA32 · Kokomo, IN · Accident · 3 fatal · Class 3 · Limited · Final report · Sep 20, 2020 · N8213X · Destroyed
  > The pilot’s inadequate visual lookout, which resulted in a collision with a utility pole and the subsequent collision with terrain.
- [NTSB WPR20LA310](https://openairdocs.org/ntsb/WPR20LA310.md): Vans RV4 · Clovis, NM · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 19, 2020 · N250LB · Substantial damage
  > The pilot’s failure to maintain lateral control during initial climb due to distraction, which resulted in an in-flight upset and impact with terrain.
- [NTSB ERA20LA323](https://openairdocs.org/ntsb/ERA20LA323.md): Cessna 182 · Hollywood, FL · Accident · No injuries · Class 4 · Limited · Final report · Sep 18, 2020 · N234ME · Substantial damage
  > The pilot's failure to maintain directional control during a crosswind takeoff, which resulted in a collision with airport lights and a sign.
- [NTSB CEN20LA330](https://openairdocs.org/ntsb/CEN20LA330.md): Robinson R44 · Logan, IA · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 8, 2020 · N89LA · Substantial damage
  > The failure of the lower actuator bearing support brackets, which resulted in the misalignment of the clutch actuator, a loss of belt tension on the main rotor drive system, and a subsequent forced landing.
- [NTSB WPR20LA239](https://openairdocs.org/ntsb/WPR20LA239.md): Vans RV7 · Henefer, UT · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 26, 2020 · N514BS · Substantial damage
  > The total loss of engine power due to the separation of the idler gear shaft bolts as a result of improper installation, which allowed for the idler gear to become disengaged.
- [NTSB ERA20CA252](https://openairdocs.org/ntsb/ERA20CA252.md): Furlong CA-6 · Manville, NJ · Accident · Minor injuries · Class 4 · Data collection · Final report · Jul 14, 2020 · N12LF · Substantial damage
  > A loss of directional control on takeoff for undetermined reasons.
- [NTSB ANC20CA068](https://openairdocs.org/ntsb/ANC20CA068.md): Robinson R44 · Ketchikan, AK · Accident · No injuries · Class 4 · Data collection · Final report · Jul 10, 2020 · N878CB · Substantial damage
  > The crew leader's decision to throw a chainsaw bar into the moving arc of the main rotor blade.
- [NTSB WPR20CA197](https://openairdocs.org/ntsb/WPR20CA197.md): Robinson R44 · Pioche, NV · Accident · No injuries · Class 4 · Data collection · Final report · Jun 28, 2020 · N7530B · Substantial damage
  > The pilot’s decision to fly at low level over mountainous terrain and his inability to recover when the helicopter encountered a downdraft that resulted in a collision with terrain.
- [NTSB ANC20LA050](https://openairdocs.org/ntsb/ANC20LA050.md): Rockwell 500 · Aniak, AK · Accident · Serious injuries · Class 3 · Limited · Final report · May 29, 2020 · N909AK · Substantial damage
  > A loss of engine power due to the use of improper fuel. Contributing to the accident was the failure of the pilot and ground personnel to ensure that the airplane was serviced with the proper fuel.
- [NTSB WPR20LA135](https://openairdocs.org/ntsb/WPR20LA135.md): Piper PA-23-250 · Hemet, CA · Accident · 1 fatal · Class 3 · Limited · Final report · Apr 30, 2020 · N6521Y · Substantial damage
  > Maintenance personnel’s failure to properly inspect and replace damaged aileron control cables, which resulted in fatigue separation of the aileron control cable and loss of control of the aircraft.
- [NTSB CEN20CA100](https://openairdocs.org/ntsb/CEN20CA100.md): Commander 114 · Coldwater, MI · Accident · Minor injuries · Data collection · Final report · Feb 22, 2020 · N374JW · Substantial damage
  > The flight instructor’s inadequate communication with the pilot under review about his intention to simulate a single-engine failure and his subsequent exceedance of the airplane’s critical angle of attack when the pilot did not respond as expected, which…
- [NTSB ANC20CA023](https://openairdocs.org/ntsb/ANC20CA023.md): Robinson R44 · Talkeetna, AK · Accident · Minor injuries · Class 4 · Data collection · Final report · Feb 21, 2020 · N716JL · Substantial damage
  > The pilot's failure to maintain adequate clearance from snow covered terrain during an en route descent in flat light conditions, which resulted in controlled flight into terrain.
- [NTSB CEN20CA086](https://openairdocs.org/ntsb/CEN20CA086.md): Cessna 182 · Huron, SD · Accident · No injuries · Data collection · Final report · Feb 15, 2020 · N2019A · Substantial damage
  > The pilot's failure to maintain adequate airspeed during final approach, which resulted in the airplane exceeding its critical angle of attack and a subsequent aerodynamic stall at too low of an altitude to recover.
- [NTSB ERA20CA098](https://openairdocs.org/ntsb/ERA20CA098.md): Maule M7 · Manchester, NH · Accident · No injuries · Data collection · Final report · Feb 2, 2020 · N309MA · Substantial damage
  > The pilot's improper landing flare in crosswind conditions, which resulted in a bounced landing, and his subsequent failure to maintain directional control, which resulted in a ground-loop.
- [NTSB CEN20FA070](https://openairdocs.org/ntsb/CEN20FA070.md): Piper PA60 · Springfield, IL · Accident · 3 fatal · Class 3 · Field · Final report · Jan 28, 2020 · N6071R · Destroyed
  > The pilot’s failure to follow the instrument landing system (ILS) course guidance during the instrument approach.

## 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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41530', '41585'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41530&year=2020

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