# NTSB investigations: Propeller feather/reversing 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 ERA24LA223](https://openairdocs.org/ntsb/ERA24LA223.md): Beechcraft TC-12B · Lehigh Acres, FL · Accident · No injuries · Class 3 · Limited · Final report · May 20, 2024 · N762MC · Substantial damage > The asymmetric reverse thrust during the landing roll for reasons that could not be determined, resulting in the flightcrew’s inability to maintain directional control and a subsequent runway excursion. - [NTSB ERA23FA274](https://openairdocs.org/ntsb/ERA23FA274.md): Piper PA-30 · Claxton, GA · Accident · 3 fatal · Class 3 · Field · Final report · Jun 25, 2023 · N7240Y · Substantial damage > The flight crew’s improper fuel management, which resulted in the airplane’s right engine being starved of fuel and its subsequent total loss of power. - [NTSB ERA22LA237](https://openairdocs.org/ntsb/ERA22LA237.md): Diamond DA42 · Lehighton, PA · Accident · Minor injuries · Class 3 · Limited · Final report · May 9, 2022 · N988JA · Substantial damage > The flight instructor’s inadequate supervision of the flight and his failure to secure the right engine following an unsuccessful engine restart attempt, which resulted in the airplane’s inability to maintain altitude and a subsequent off-airport landing. - [NTSB WPR22LA114](https://openairdocs.org/ntsb/WPR22LA114.md): Cessna 208B · Oceanside, CA · Accident · Serious injuries · Class 3 · Limited · Final report · Feb 24, 2022 · N10JA · Substantial damage > The pilot’s intentional inflight operation of the propeller in beta, which led to an aerodynamic lock, his inability to restore forward thrust, and subsequent collision with terrain. - [NTSB CEN22LA085](https://openairdocs.org/ntsb/CEN22LA085.md): Beech A100 · West Helena, AR · Accident · No injuries · Class 3 · Limited · Final report · Dec 28, 2021 · N93GT · Substantial damage > The malfunction of the propeller autofeather system after takeoff for undetermined reasons, which resulted in both propellers going into feather and a hard landing. - [NTSB ERA20CA296](https://openairdocs.org/ntsb/ERA20CA296.md): Beech 55 · Nashville, TN · Accident · No injuries · Class 4 · Data collection · Final report · Aug 24, 2020 · N8629M · Substantial damage > The pilot's inadvertent feathering of the propellers during the landing flare, which resulted in a hard landing. A factor in the accident was the instructor's failure to fully monitor the pilot's manipulation of the levers in the airplane's non-standard… - [NTSB ERA20LA202](https://openairdocs.org/ntsb/ERA20LA202.md): Piper PA23 · San Juan, PR · Accident · 2 fatal · Class 3 · Limited · Final report · Jun 2, 2020 · N14181 · Substantial damage > The pilot’s intentional operation of the airplane with known deficiencies of the left engine and subsequent in-flight loss of control after takeoff. Contributing to the loss of engine power was internal contamination of the left servo fuel injector.… - [NTSB ERA20CA112](https://openairdocs.org/ntsb/ERA20CA112.md): Beech 58 · Augusta, GA · Accident · Minor injuries · Class 4 · Data collection · Final report · Feb 23, 2020 · N60SH · Substantial damage > The pilot's failure to land and stop the airplane within the available runway, which resulted in a runway overrun. Contributing to the outcome was the pilot's inadvertent feathering of both propellers during approach to landing. - [NTSB ANC19LA046](https://openairdocs.org/ntsb/ANC19LA046.md): Cessna 208B · Lahaina, HI · Accident · No injuries · Class 3 · Limited · Final report · Aug 18, 2019 · N879MA · Substantial damage > The pilots’ failure to maintain a proper approach speed and their decision to continue the approach for landing, which resulted in the airplane landing long and a subsequent runway overrun. - [NTSB CEN19LA056](https://openairdocs.org/ntsb/CEN19LA056.md): Douglas DC3C · Kidron, OH · Accident · 2 fatal · Limited investigation · Final report · Jan 21, 2019 · N467KS · Substantial damage > The loss of airplane control after an engine flameout and auto-feather system interruption during the takeoff climb, which resulted in an impact with terrain. - [NTSB ERA19FA060](https://openairdocs.org/ntsb/ERA19FA060.md): Cessna 335 · Fort Lauderdale, FL · Accident · 2 fatal · Class 2 · Field · Final report · Dec 1, 2018 · N79HP · Destroyed > The pilot's improper decision to fly the unairworthy airplane and his failure to feather the left propeller following a partial loss of power from the left engine after takeoff. Also causal was the partial loss of power to the left engine due to detonation. - [NTSB CEN17LA284](https://openairdocs.org/ntsb/CEN17LA284.md): Air Tractor AT802 · Reyno, AR · Accident · No injuries · Class 3 · Limited · Final report · Jul 18, 2017 · N816FF · Substantial damage > The pilot’s inadvertent use of the propeller control, which caused the propeller to feather while in flight with the engine still operating, resulting in a loss of thrust and a subsequent forced landing. - [NTSB CEN16FA172](https://openairdocs.org/ntsb/CEN16FA172.md): Cessna 310F · North Little Rock, AR · Accident · 1 fatal · Field investigation · Final report · May 5, 2016 · N6770X · Destroyed > The pilot's failure to promptly feather the left propeller upon the initial loss of engine power shortly after takeoff and his failure to maintain airspeed while maneuvering with one engine inoperative, which resulted in a loss of control at a low altitude.… - [NTSB ERA16LA026](https://openairdocs.org/ntsb/ERA16LA026.md): Piper PA31 · Weston, FL · Accident · 1 fatal · Limited investigation · Final report · Oct 26, 2015 · N55GK · Substantial damage > The pilot's feathering of the incorrect propeller following a total loss of right engine power due to fuel starvation, which resulted from maintenance personnel’s failure to reinstall the flapper valve in the right main fuel tank. Contributing to the accident… - [NTSB ERA15LA343](https://openairdocs.org/ntsb/ERA15LA343.md): Dehavilland DHC-6 · Louisburg, NC · Accident · Serious injuries · Limited investigation · Final report · Sep 6, 2015 · N181CS · Substantial damage > The propeller’s movement to the beta position during landing for reasons that could not be determined during postaccident examination and testing, which resulted in an attempted go-around and subsequent loss of airplane control. - [NTSB ERA15FA221](https://openairdocs.org/ntsb/ERA15FA221.md): BR Legend Turbine Legend · West Columbia, SC · Accident · 1 fatal · Field investigation · Final report · May 23, 2015 · N42BR · Destroyed > An engine flame-out due to fuel starvation as the result of an improperly-installed auxiliary fuel pump fitting, and the pilot's failure to promptly feather the propeller following the engine-flame out, which resulted in decreased glide capability and impact… - [NTSB ERA15FA129](https://openairdocs.org/ntsb/ERA15FA129.md): Beech 1900 · Miami, FL · Accident · 4 fatal · Field investigation · Final report · Feb 11, 2015 · YV1674 · Destroyed > The left engine propeller's uncommanded travel to the feathered position during takeoff for reasons that could not be determined due to impact damage. Contributing to the accident was the flight crew's failure to establish a coordinated climb once the left… - [NTSB CEN14LA476](https://openairdocs.org/ntsb/CEN14LA476.md): Piper PA-46-350P · Cortez, CO · Accident · Minor injuries · Limited investigation · Final report · Sep 3, 2014 · N747TH · Substantial damage > The flight instructor’s delayed decision to abort the simulated engine out maneuver, his failure to unfeather the propeller before restoring engine power, and his inadequate airspeed management, which led to an aerodynamic stall at low altitude. - [NTSB ERA12FA423](https://openairdocs.org/ntsb/ERA12FA423.md): Piper PA-31P · Dalton, GA · Accident · 1 fatal · Field investigation · Final report · Jun 30, 2012 · N33CG · Substantial damage > The pilot’s failure to maintain airplane control following loss of power in the right engine for reasons that could not be determined because of fire and impact damage. Contributing to the accident was the pilot’s delayed feathering of the right propeller… - [NTSB DCA12FA051](https://openairdocs.org/ntsb/DCA12FA051.md): Convair 440 - NO Series · San Juan, PR · Accident · 2 fatal · Class 1 · Field · Final report · Mar 15, 2012 · N153JR · Destroyed > the flight crew's failure to maintain adequate airspeed after shutting down the right engine due to an in-flight fire in one of the right augmentors. The failure to maintain airspeed resulted in either an aerodynamic stall or a loss of directional control. - [NTSB ERA12FA146](https://openairdocs.org/ntsb/ERA12FA146.md): Aerostar PA-60-601P · Philadelphia, MS · Accident · 1 fatal · Field investigation · Final report · Jan 16, 2012 · N700PS · Substantial damage > The pilot’s failure to maintain directional control during takeoff following loss of power to the left engine due to fuel starvation. Contributing to the loss of control was the pilot’s failure to feather the left propeller following the loss of left engine… - [NTSB ERA11FA458](https://openairdocs.org/ntsb/ERA11FA458.md): Cessna 310Q · Tupelo, MS · Accident · 1 fatal · Field investigation · Final report · Aug 17, 2011 · N444YM · Substantial damage > The pilot’s delayed reaction in performing the engine failure procedures and his failure to maintain adequate airspeed, which resulted in a loss of airplane control. Contributing to the accident was maintenance personnel’s improper torquing of the B-nut… - [NTSB ERA10LA284](https://openairdocs.org/ntsb/ERA10LA284.md): Cessna 337G · High Springs, FL · Accident · Minor injuries · Limited investigation · Final report · May 27, 2010 · N72268 · Substantial damage > The pilot's failure to follow the published engine-out procedures after a total loss of power in the rear engine. Contributing to the accident was the inadequate maintenance and inspection of the engine by the pilot and maintenance personnel. - [NTSB ERA09LA469](https://openairdocs.org/ntsb/ERA09LA469.md): Raytheon 58 · Teterboro, NJ · Accident · 1 fatal · Limited investigation · Final report · Aug 21, 2009 · N167TB · Substantial damage > The complete loss of thrust due to the second-in-command’s (SIC) inadvertent feathering of both propellers during a high-speed, low-altitude approach. Contributing to the accident was the pilot-in-command’s inadequate monitoring of the SIC’s performance.… - [NTSB ERA09LA108](https://openairdocs.org/ntsb/ERA09LA108.md): Beech E18S · Fort Myers, FL · Accident · Serious injuries · Limited investigation · Final report · Dec 27, 2008 · N7765N · Substantial damage > The failure of the right propeller to go to the feathered position for undetermined reasons following a total loss of right engine power during initial climb due to fuel starvation as a result of the pilot's improper fuel planning. - [NTSB ANC09LA009](https://openairdocs.org/ntsb/ANC09LA009.md): Construcciones Aeronauticas CASA-212 · Toksook Bay, AK · Accident · Minor injuries · Limited investigation · Final report · Nov 2, 2008 · N437RA · Substantial damage > The flight crew’s inability to adjust/increase power to the right engine during the landing approach due to an in-flight disconnect of the engine power control linkage, resulting in a loss of control of the airplane. Contributing to the accident was the… ## 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 c."mKey" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '01046123')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb-findings/01046123/cases --- 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.