# NTSB investigations: Lycoming TI0-540 series, 2021

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 CEN22FA080](https://openairdocs.org/ntsb/CEN22FA080.md): Piper PA-32R-300 · Bloomington, IN · Accident · 1 fatal · Class 3 · Field · Final report · Dec 18, 2021 · N5677V · Destroyed
  > The pilot’s failure to follow the instrument landing system (ILS) course guidance, which resulted in the pilot’s loss of airplane control during the instrument approach. Contributing to the accident was the presence of turbulence and low-level wind shear.
- [NTSB WPR22FA055](https://openairdocs.org/ntsb/WPR22FA055.md): Piper PA-31-350 · Medford, OR · Accident · 2 fatal · Class 3 · Field · Final report · Dec 6, 2021 · N64BR · Destroyed
  > The pilot’s failure to maintain aircraft control during the initial climb into clouds due to spatial disorientation, which resulted in an uncontrolled descent and collision with terrain.
- [NTSB ERA22LA064](https://openairdocs.org/ntsb/ERA22LA064.md): Mooney M20M · Tampa, FL · Accident · No injuries · Class 3 · Limited · Final report · Nov 15, 2021 · N21890 · Substantial damage
  > The total loss of engine power due to the failure of maintenance personnel to properly tighten the fuel supply line b-nut at the manifold valve during installation.
- [NTSB WPR22FA023](https://openairdocs.org/ntsb/WPR22FA023.md): Mooney M20M · Snoqualmie, WA · Accident · 1 fatal · Class 3 · Field · Final report · Oct 28, 2021 · N40KA · Substantial damage
  > The pilot’s decision to fly the airplane into known icing conditions, which resulted in a loss of airplane control and collision with terrain.
- [NTSB ERA22LA042](https://openairdocs.org/ntsb/ERA22LA042.md): Piper PA32R · Flemingsburg, KY · Accident · No injuries · Class 4 · Limited · Final report · Oct 27, 2021 · N4363W · Substantial damage
  > The pilot’s failure to obtain the proper touchdown point or go-around, which resulted in a runway excursion.
- [NTSB ERA22LA035](https://openairdocs.org/ntsb/ERA22LA035.md): Piper PA46 · Immokalee, FL · Accident · No injuries · Class 4 · Limited · Final report · Oct 26, 2021 · N305JD · Substantial damage
  > The flight instructor’s delayed remedial action which resulted in the airplane impacting terrain short of the runway.
- [NTSB ERA22FA014](https://openairdocs.org/ntsb/ERA22FA014.md): Piper PA-24-260 · Blairsville, GA · Accident · 1 fatal · Class 3 · Field · Final report · Oct 13, 2021 · N9126P · Destroyed
  > The pilot’s decision to commence the flight in low IFR weather conditions, and making immediate turns after takeoff in IMC, resulting in spatial disorientation and a loss of airplane control.
- [NTSB ERA21LA386](https://openairdocs.org/ntsb/ERA21LA386.md): Hiller UH-12E · Millen, GA · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 29, 2021 · N430NR · Substantial damage
  > The improper reassembly of the tail rotor gearbox following maintenance, which resulted in fatigue failure of the input pinion gear shaft, and the subsequent loss of tail rotor drive.
- [NTSB GAA21WA242](https://openairdocs.org/ntsb/GAA21WA242.md): Mooney M20M · Tököl, Hungary · Accident · Class 5 · Foreign · Sep 28, 2021 · N999U · Substantial damage
- [NTSB WPR21LA363](https://openairdocs.org/ntsb/WPR21LA363.md): Piper PA-32-300 · Orcas Island, WA · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 17, 2021 · N33022 · Substantial damage
  > The total loss of engine power due to the pilot’s mismanagement of the fuel system which resulted in fuel starvation.
- [NTSB WPR21LA326](https://openairdocs.org/ntsb/WPR21LA326.md): Piper PA-32-300 · Del Mar, CA · Accident · No injuries · Class 3 · Limited · Final report · Aug 24, 2021 · N2843T · Substantial damage
  > The partial loss of engine power for reasons that could not be determined, which resulted in a forced landing on an interstate highway and subsequent collision with vehicles.
- [NTSB CEN21FA360](https://openairdocs.org/ntsb/CEN21FA360.md): Mooney M20M · Victoria, MN · Accident · 3 fatal · Class 3 · Field · Final report · Aug 7, 2021 · N9156Z · Destroyed
  > The pilot’s loss of airplane control due to spatial disorientation during final approach, which led to a spiral dive that overstressed the airplane and resulted in an in-flight breakup.
- [NTSB WPR21LA256](https://openairdocs.org/ntsb/WPR21LA256.md): Mooney M20 · Nampa, ID · Accident · No injuries · Class 4 · Limited · Final report · Jun 28, 2021 · N381KH · Substantial damage
  > The pilot’s failure to use the landing checklist and to extend the landing gear, which resulted in a gear-up landing.
- [NTSB CEN21LA298](https://openairdocs.org/ntsb/CEN21LA298.md): Aero Commander 500 S · Jennings, LA · Accident · No injuries · Class 4 · Limited · Final report · Jun 25, 2021 · N9038N · Substantial damage
  > The pilot’s failure to extend the landing gear before landing.
- [NTSB CEN21LA312](https://openairdocs.org/ntsb/CEN21LA312.md): Piper PA 46-350P · St. Louis, MO · Accident · No injuries · Class 4 · Limited · Final report · Jun 24, 2021 · N110ST · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll with hydroplaning conditions.
- [NTSB GAA21WA093](https://openairdocs.org/ntsb/GAA21WA093.md): Mooney M20M · Lübeck, Germany · Accident · No injuries · Class 5 · Foreign · Apr 27, 2021 · N55HR · Substantial damage
- [NTSB GAA21WA051](https://openairdocs.org/ntsb/GAA21WA051.md): Piper PA-31-350 · Buitron, Mexico · Accident · No injuries · Class 5 · Foreign · Mar 3, 2021 · N640WA · Substantial damage
- [NTSB CEN21LA104](https://openairdocs.org/ntsb/CEN21LA104.md): Piper PA-24-250 · New Hudson, MI · Accident · 3 fatal · Class 3 · Limited · Final report · Jan 2, 2021 · N8347P · Destroyed
  > The pilot’s failure to maintain proper airspeed and his exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall. Contributing to the accident was the pilot’s lack of an instrument rating and the low visibility at the time…

## 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") = 2021
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41533'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41533&year=2021

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