# NTSB investigations: Lycoming IO-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 ERA22FA096](https://openairdocs.org/ntsb/ERA22FA096.md): Robinson Helicopter R44 II · Cosby, TN · Accident · 1 fatal · Class 3 · Field · Final report · Dec 29, 2021 · N544SC · Substantial damage
  > The pilot’s intentional, continued flight into instrument meteorological conditions in a helicopter that was not certified for instrument conditions, which resulted in a loss of helicopter control and a collision with trees and terrain.
- [NTSB ERA22LA090](https://openairdocs.org/ntsb/ERA22LA090.md): Aerofab Lake LA-4-250 · Auburndale, FL · Accident · 2 fatal · Class 3 · Limited · Final report · Dec 17, 2021 · N1402C · Destroyed
  > A bird strike, which resulted in a loss of control while flying at low altitude over a lake.
- [NTSB CEN22LA065](https://openairdocs.org/ntsb/CEN22LA065.md): Piper PA-24-250 · Delta, CO · Accident · No injuries · Class 4 · Limited · Final report · Dec 8, 2021 · N543AS · Substantial damage
  > Fuel starvation resulting in a loss of engine power.
- [NTSB ANC22LA010](https://openairdocs.org/ntsb/ANC22LA010.md): Found Acft Canada FBA-2C1 · Kenai, AK · Accident · No injuries · Class 4 · Limited · Final report · Nov 30, 2021 · N108J · Substantial damage
  > The pilot’s failure to maintain directional control during takeoff, which resulted in a runway excursion.
- [NTSB ERA22LA077](https://openairdocs.org/ntsb/ERA22LA077.md): Piper PA-32-301 · Orlando, FL · Accident · No injuries · Class 4 · Limited · Final report · Nov 23, 2021 · N81991 · Substantial damage
  > The pilot’s inadequate compensation for winds during the landing roll.
- [NTSB WPR22LA046](https://openairdocs.org/ntsb/WPR22LA046.md): Vans RV10 · Hurricane, UT · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 22, 2021 · N54CT · Substantial damage
  > The total loss of engine power due to a loose fuel line at the fuel servo outlet port.
- [NTSB WPR22FA044](https://openairdocs.org/ntsb/WPR22FA044.md): Jahnke Lionel G Glasair III · Big Bear City, CA · Accident · 1 fatal · Class 3 · Field · Final report · Nov 21, 2021 · N291KT · Destroyed
  > The pilot’s failure to maintain clearance from mountainous terrain for reasons that could not be determined based on the available information, which resulted in controlled flight into terrain.
- [NTSB WPR21LA359](https://openairdocs.org/ntsb/WPR21LA359.md): Robinson Helicopter R44 II · Phoenix, AZ · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 30, 2021 · N74706 · Substantial damage
  > The student pilot's failure to maintain helicopter control while making a clearing turn which resulted in a hard landing.
- [NTSB WPR21LA357](https://openairdocs.org/ntsb/WPR21LA357.md): Fonville Swearingen SX300 · Buckeye, AZ · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 18, 2021 · N5SX · Substantial damage
  > The total loss of engine power due to the failure of the left magneto.
- [NTSB WPR21LA347](https://openairdocs.org/ntsb/WPR21LA347.md): Piper PA-32R-301 · Stanley, ID · Accident · No injuries · Class 4 · Limited · Final report · Sep 15, 2021 · N529PE · Substantial damage
  > The pilot’s failure to maintain airplane control during landing with a gusting crosswind which, resulted in a hard landing and collision with terrain.
- [NTSB ANC21LA080](https://openairdocs.org/ntsb/ANC21LA080.md): Robinson Helicopter R44 II · Pelican, AK · Accident · No injuries · Class 4 · Limited · Final report · Aug 31, 2021 · N779DZ · Substantial damage
  > The pilot’s loss of control while landing on a remote helipad.
- [NTSB ANC21LA079](https://openairdocs.org/ntsb/ANC21LA079.md): Robinson Helicopter R44 II · Pelican, AK · Accident · No injuries · Class 4 · Limited · Final report · Aug 30, 2021 · N878CB · Substantial damage
  > The pilot’s improper preflight planning to ensure adequate power to hover out-of-ground effect while conducting external load operations.
- [NTSB WPR21LA341](https://openairdocs.org/ntsb/WPR21LA341.md): Robinson R44 · Camp Verde, AZ · Accident · No injuries · Class 4 · Limited · Final report · Aug 28, 2021 · N544SH · Substantial damage
  > The pilot's inadequate preflight performance calculations which resulted in an aborted takeoff and collision with trees.
- [NTSB CEN21LA378](https://openairdocs.org/ntsb/CEN21LA378.md): Robinson Helicopter R44 II · Gonzales, LA · Accident · No injuries · Class 4 · Limited · Final report · Aug 21, 2021 · N222VB · Substantial damage
  > The pilot’s inadvertent collision with a tree while landing at night which resulted in a hard landing.
- [NTSB CEN21LA358](https://openairdocs.org/ntsb/CEN21LA358.md): Cessna 182 · Patterson, LA · Accident · No injuries · Class 3 · Limited · Final report · Jul 27, 2021 · N148LP · Substantial damage
  > The mechanic’s failure to properly secure the throttle arm rendering it loose and inoperable after takeoff, which resulted in a total loss of engine power.
- [NTSB CEN21LA321](https://openairdocs.org/ntsb/CEN21LA321.md): Swann Lynn J Seawind 3000 · Charlevoix, MI · Accident · No injuries · Class 4 · Limited · Final report · Jul 3, 2021 · N8UU · Destroyed
  > The loss of engine power for undetermined reasons based on available evidence.
- [NTSB CEN21LA302](https://openairdocs.org/ntsb/CEN21LA302.md): Piper Aerostar 600A · Wichita, KS · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 2, 2021 · N10HK · Substantial damage
  > The pilot’s improper fuel planning and management, which resulted in a total loss of engine power due to fuel exhaustion.
- [NTSB CEN21LA273](https://openairdocs.org/ntsb/CEN21LA273.md): Tony Dubeansky RV10 · Fort Worth, TX · Accident · No injuries · Class 3 · Limited · Final report · Jun 16, 2021 · N878TD · Substantial damage
  > A partial loss of engine power due to a separated electronic ignition system connector. Contributing to the accident was the location of the ignition boxes, which provided limited access to the connectors for visual inspection.
- [NTSB ERA21LA252](https://openairdocs.org/ntsb/ERA21LA252.md): Robinson Helicopter R44 II · Sylva, NC · Accident · No injuries · Class 4 · Limited · Final report · Jun 14, 2021 · N443SH · Substantial damage
  > The pilot’s intentional departure from the procedures published in the manufacturer’s flight training guide, and his subsequent loss of engine rpm, rotor rpm, and aircraft control.
- [NTSB ERA21LA241](https://openairdocs.org/ntsb/ERA21LA241.md): Piper PA-24-260 · Robbinsville, NJ · Accident · Serious injuries · Class 4 · Limited · Final report · Jun 6, 2021 · N79RG · Substantial damage
  > The pilot’s mismanagement of fuel, which resulted in a total loss of engine power.
- [NTSB WPR21LA204](https://openairdocs.org/ntsb/WPR21LA204.md): Mcclure B J Glasair III · Eugene, OR · Accident · Serious injuries · Class 3 · Limited · Final report · May 20, 2021 · N54CB · Destroyed
  > The pilot’s loss of airplane control during the approach to landing due to an asymmetrical flap deployment for reasons that could not be determined based on the available evidence.
- [NTSB ERA21LA186](https://openairdocs.org/ntsb/ERA21LA186.md): Piper PA-32R-301 · Troy, AL · Accident · No injuries · Class 4 · Limited · Final report · Apr 11, 2021 · N299HP · Substantial damage
  > An unanticipated encounter with a deer shortly after touchdown, resulting in a collision and substantial damage to the airframe.
- [NTSB WPR21LA362](https://openairdocs.org/ntsb/WPR21LA362.md): Maule MX-7-235 · Ontario, OR · Accident · No injuries · Class 3 · Limited · Final report · Mar 28, 2021 · N235X · Substantial damage
  > A loss of hydraulic fluid and failure of the right brake for reasons that could not be determined due to a lack of available evidence.
- [NTSB ERA21LA153](https://openairdocs.org/ntsb/ERA21LA153.md): Piper PA-32RT-300 · Brevard, NC · Accident · No injuries · Class 4 · Limited · Final report · Mar 7, 2021 · N94GF · Substantial damage
  > The pilot’s improper landing flare, which resulted in a hard landing, overstress fracture of components of the left main landing gear, and subsequent runway excursion.
- [NTSB ANC21LA017](https://openairdocs.org/ntsb/ANC21LA017.md): Maule M-6-235 · Tyonek, AK · Accident · Minor injuries · Class 4 · Limited · Final report · Feb 13, 2021 · N56517 · Substantial damage
  > The pilot’s selection of unsuitable terrain for landing, which resulted in the airplane encountering deep snow and coming to rest inverted.
- [NTSB ERA21LA123](https://openairdocs.org/ntsb/ERA21LA123.md): Piper PA-32-301 · Homestead, FL · Accident · No injuries · Class 4 · Limited · Final report · Jan 22, 2021 · N8224H · Substantial damage
  > A total loss of power for reasons that could not be determined, as the airplane was not recovered from the water following the ditching.
- [NTSB CEN21LA112](https://openairdocs.org/ntsb/CEN21LA112.md): Piper PA-32R-301 · Sparta, MI · Accident · No injuries · Class 3 · Limited · Final report · Jan 12, 2021 · N35718 · Substantial damage
  > The pilot’s failure to maintain the proper glideslope during final approach, which resulted in contact with a snowbank at the approach end of the runway.

## 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 ('41530', '41585'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41530&year=2021

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.