# Incorrect action sequence - Type: NTSB finding subsection - Path: [Personnel issues](https://openairdocs.org/ntsb-findings/02) › [Action/decision](https://openairdocs.org/ntsb-findings/0204) › [Action](https://openairdocs.org/ntsb-findings/020410) › Incorrect action sequence - NTSB code: 02041020 - Cases: 77 - In the probable cause: 73 - Fatal cases: 16 - All cases: https://openairdocs.org/ntsb-findings/02041020/cases.md - Cases with it in the probable cause: https://openairdocs.org/ntsb-findings/02041020/cases.md?cause=1 - Page: https://openairdocs.org/ntsb-findings/02041020 ## Cases per year (in the probable cause / all) - 2008: 9 / 10 - 2009: 4 / 4 - 2010: 9 / 9 - 2011: 7 / 7 - 2012: 6 / 6 - 2013: 6 / 6 - 2014: 6 / 6 - 2015: 1 / 1 - 2016: 3 / 3 - 2017: 6 / 6 - 2018: 1 / 1 - 2019: 1 / 1 - 2020: 1 / 1 - 2021: 1 / 2 - 2022: 2 / 3 - 2023: 5 / 6 - 2024: 4 / 4 - 2025: 1 / 1 ## Defining events in these cases - [Loss of control in flight](https://openairdocs.org/ntsb-events/240): 12 cases - [Loss of control on ground](https://openairdocs.org/ntsb-events/230): 8 cases - [Hard landing](https://openairdocs.org/ntsb-events/092): 5 cases - [Tailstrike](https://openairdocs.org/ntsb-events/091): 4 cases - [Miscellaneous/other](https://openairdocs.org/ntsb-events/900): 3 cases - [Near midair/TCAS alert/loss of separation](https://openairdocs.org/ntsb-events/260): 3 cases - [Controlled flight into terr/obj (CFIT)](https://openairdocs.org/ntsb-events/120): 3 cases - [Nose over/nose down](https://openairdocs.org/ntsb-events/096): 3 cases - [Abnormal runway contact](https://openairdocs.org/ntsb-events/090): 3 cases - [Loss of lift](https://openairdocs.org/ntsb-events/500): 2 cases ## Aircraft models (registry) - [Cessna 172S](https://openairdocs.org/model/cessna-172s): 4 cases - [Piper PA-28-140](https://openairdocs.org/model/piper-pa-28-140): 3 cases - [Robinson Helicopter R44 II](https://openairdocs.org/model/robinson-helicopter-r44-ii): 2 cases - [Cessna 310R](https://openairdocs.org/model/cessna-310r): 2 cases - [Eurocopter AS 350 B3](https://openairdocs.org/model/eurocopter-as-350-b3): 1 cases - [Eurocopter AS 350 B2](https://openairdocs.org/model/eurocopter-as-350-b2): 1 cases - [Smith AEROSTAR 600A](https://openairdocs.org/model/smith-aerostar-600a): 1 cases - [Schweizer SGS 2-33A](https://openairdocs.org/model/schweizer-sgs-2-33a): 1 cases - [Raytheon B200](https://openairdocs.org/model/raytheon-b200): 1 cases - [Piper PA46-500TP](https://openairdocs.org/model/piper-pa46-500tp): 1 cases ## Other findings in the same cases - [Aircraft control](https://openairdocs.org/ntsb-findings/02063040) (Personnel issues): 24 cases - [Use of equip/system](https://openairdocs.org/ntsb-findings/02063015) (Personnel issues): 12 cases - [Decision making/judgment](https://openairdocs.org/ntsb-findings/02041520) (Personnel issues): 8 cases - [Airspeed](https://openairdocs.org/ntsb-findings/01062010) (Aircraft): 8 cases - [Pitch control](https://openairdocs.org/ntsb-findings/01062022) (Aircraft): 7 cases - [Landing flare](https://openairdocs.org/ntsb-findings/01062041) (Aircraft): 6 cases - [Identification/recognition](https://openairdocs.org/ntsb-findings/02041510) (Personnel issues): 5 cases - [Directional control](https://openairdocs.org/ntsb-findings/01062020) (Aircraft): 5 cases - [Altitude](https://openairdocs.org/ntsb-findings/01062012) (Aircraft): 5 cases - [Delayed action](https://openairdocs.org/ntsb-findings/02041025) (Personnel issues): 4 cases ## Newest cases - [NTSB CEN25LA163](https://openairdocs.org/ntsb/CEN25LA163), Apr 25, 2025: Messerschmitt-Bolkow-Blohm BK 117 (N880SL), Hartford, IL, substantial damage. Probable cause: The pilot’s failure to maintain directional control during the initial climb at night from a confined area landing zone, that resulted in an impact with a tree, a loss of control, and a subsequent… - [NTSB WPR25LA049](https://openairdocs.org/ntsb/WPR25LA049), Nov 27, 2024: Cirrus Design SF50 (N701MK), Mesa, AZ, substantial damage. Probable cause: The pilot’s improper landing gear selection during the takeoff roll and failure to maintain airplane control during a rejected takeoff, which resulted in abnormal contact with the runway and a… - [NTSB ERA24FA397](https://openairdocs.org/ntsb/ERA24FA397), Sep 28, 2024: Cirrus Design SR22 (N1281F), Kill Devil Hills, NC, destroyed, 5 fatal. Probable cause: The pilot’s exceedance of the airplane’s critical angle of attack during a go-around attempt, which resulted in an aerodynamic stall and loss of airplane control. - [NTSB WPR24LA109](https://openairdocs.org/ntsb/WPR24LA109), Mar 12, 2024: Raytheon B200 (N299AV), Billings, MT, substantial damage. Probable cause: The pilot's improper engine start, resulting in the engine starters remaining engaged and the generators not being activated, which led to the discharge of the airplane’s battery and subsequent total… - [NTSB CEN24FA101](https://openairdocs.org/ntsb/CEN24FA101), Jan 29, 2024: Lockwood AIR CAM (N315GW), Ranchitos Las Lomas, TX, substantial damage, 2 fatal. Probable cause: The pilot's failure to maintain clearance from a meteorological evaluation tower. - [NTSB WPR23LA242](https://openairdocs.org/ntsb/WPR23LA242), Jun 27, 2023: Piper PA-28-140 (N730SC), Newdale, ID, substantial damage. Probable cause: The premature retraction of the flaps by the student pilot, while just above the airplane’s stall speed. Contributing to the accident was the flight instructor’s inadequate supervision and failure to… - [NTSB CEN23LA244](https://openairdocs.org/ntsb/CEN23LA244), Jun 18, 2023: Air Tractor AT-502 (N290LA), Sturgis, SD, substantial damage. Probable cause: The pilot’s improper timing to initiate beta mode with the propeller and his failure to maintain directional during the full load landing that resulted in a runway excursion. Contributing to the… - [NTSB CEN23LA179](https://openairdocs.org/ntsb/CEN23LA179), May 6, 2023: Textron 172S (N34BL), Englewood, CO, substantial damage. Probable cause: The pilot’s decision to adjust his seat during taxi, which resulted in his seat sliding aft, and subsequent loss of directional control. - [NTSB CEN23LA171](https://openairdocs.org/ntsb/CEN23LA171), May 4, 2023: Kitfox IV (N440RS), Gretna, NE, substantial damage. Probable cause: The pilot’s failure to maintain clearance from terrain during a turn immediately after takeoff. - [NTSB WPR23LA162](https://openairdocs.org/ntsb/WPR23LA162), Apr 19, 2023: Cessna R182 (N4166C), Grand Canyon, AZ, substantial damage. Probable cause: The airplane’s loss of engine power for undetermined reasons and the pilot’s exceedance of the airplane’s critical angle of attack and subsequent failure to maintain adequate airspeed, which resulted… NTSB has coded findings and defining events since 2008; earlier cases used its older occurrence and cause codes and aren't counted. Findings: https://openairdocs.org/ntsb-findings.md. Defining events: https://openairdocs.org/ntsb-events.md. Phases of flight: https://openairdocs.org/ntsb-phases.md. Every investigation, filtered by finding, event, phase, state, year or model: https://openairdocs.org/ntsb.md (for example ?state=MI&fatal=1). NTSB's definitions: Accident and incident, 49 CFR 830.2 (https://www.ecfr.gov/current/title-49/subtitle-B/chapter-VIII/part-830/subpart-A/section-830.2), CICTT occurrence categories (PDF) (https://www.ntsb.gov/safety/data/Documents/datafiles/OccurrenceCategoryDefinitions.pdf), CICTT phases of flight (PDF) (https://www.ntsb.gov/safety/data/Documents/datafiles/PhaseofFlightDefinitions.pdf), and NTSB coding manual, before 2008 (PDF) (https://www.ntsb.gov/GILS/Documents/codman.pdf). NTSB publishes no definitions for its findings, only their names. --- 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.