# Complacency

- Type: NTSB finding subsection
- Path: [Personnel issues](https://openairdocs.org/ntsb-findings/02) › [Psychological](https://openairdocs.org/ntsb-findings/0202) › [Personality/attitude](https://openairdocs.org/ntsb-findings/020210) › Complacency
- NTSB code: 02021020
- Cases: 23
- In the probable cause: 13
- Fatal cases: 4
- All cases: https://openairdocs.org/ntsb-findings/02021020/cases.md
- Cases with it in the probable cause: https://openairdocs.org/ntsb-findings/02021020/cases.md?cause=1
- Page: https://openairdocs.org/ntsb-findings/02021020

## Cases per year (in the probable cause / all)

- 2009: 1 / 5
- 2011: 3 / 4
- 2012: 0 / 1
- 2013: 1 / 3
- 2014: 2 / 2
- 2015: 1 / 1
- 2017: 3 / 3
- 2018: 0 / 1
- 2019: 1 / 1
- 2020: 0 / 1
- 2023: 1 / 1

## Defining events in these cases

- [Miscellaneous/other](https://openairdocs.org/ntsb-events/900): 3 cases
- [Collision during takeoff/land](https://openairdocs.org/ntsb-events/490): 3 cases
- [Fuel exhaustion](https://openairdocs.org/ntsb-events/192): 3 cases
- [Runway excursion](https://openairdocs.org/ntsb-events/300): 2 cases
- [Loss of control on ground](https://openairdocs.org/ntsb-events/230): 2 cases
- [Landing gear not configured](https://openairdocs.org/ntsb-events/095): 2 cases
- [VFR encounter with IMC](https://openairdocs.org/ntsb-events/401): 1 cases
- [Loss of control in flight](https://openairdocs.org/ntsb-events/240): 1 cases
- [Low altitude operation/event](https://openairdocs.org/ntsb-events/220): 1 cases
- [Wrong fuel](https://openairdocs.org/ntsb-events/194): 1 cases

## Aircraft models (registry)

- [Rockwell International 690A](https://openairdocs.org/model/rockwell-international-690a): 1 cases
- [Raytheon B200](https://openairdocs.org/model/raytheon-b200): 1 cases
- [Piper PA-34-200T](https://openairdocs.org/model/piper-pa-34-200t): 1 cases
- [Piper PA-32R-301](https://openairdocs.org/model/piper-pa-32r-301): 1 cases
- [Piper PA-31-310](https://openairdocs.org/model/piper-pa-31-310): 1 cases
- [Piper PA-24-260](https://openairdocs.org/model/piper-pa-24-260): 1 cases
- [Piper PA-22-150](https://openairdocs.org/model/piper-pa-22-150): 1 cases
- [Piper PA-18A 150](https://openairdocs.org/model/piper-pa-18a-150): 1 cases
- [Mooney M20J](https://openairdocs.org/model/mooney-m20j): 1 cases
- [Gulfstream Aerospace G-IV](https://openairdocs.org/model/gulfstream-aerospace-g-iv): 1 cases

## Other findings in the same cases

- [Aircraft control](https://openairdocs.org/ntsb-findings/02063040) (Personnel issues): 5 cases
- [Decision making/judgment](https://openairdocs.org/ntsb-findings/02041520) (Personnel issues): 5 cases
- [Lack of action](https://openairdocs.org/ntsb-findings/02041030) (Personnel issues): 5 cases
- [Fuel](https://openairdocs.org/ntsb-findings/01071010) (Aircraft): 5 cases
- [Use of equip/system](https://openairdocs.org/ntsb-findings/02063015) (Personnel issues): 4 cases
- [Directional control](https://openairdocs.org/ntsb-findings/01062020) (Aircraft): 3 cases
- [Airspeed](https://openairdocs.org/ntsb-findings/01062010) (Aircraft): 3 cases
- [Performance/control parameters, general](https://openairdocs.org/ntsb-findings/01062000) (Aircraft): 3 cases
- [Adequacy of policy/proc](https://openairdocs.org/ntsb-findings/04021015) (Organizational issues): 2 cases
- [Equip certification/testing](https://openairdocs.org/ntsb-findings/04012015) (Organizational issues): 2 cases

## Newest cases

- [NTSB CEN23LA186](https://openairdocs.org/ntsb/CEN23LA186), May 6, 2023: Beech F33A (N2294L), Tahlequah, OK, minor damage. Probable cause: The pilot’s failure to remove the wheel chocks before engine start which resulted in the inadvertent contact with the propeller while the engine was running.
- [NTSB ANC20CA042](https://openairdocs.org/ntsb/ANC20CA042), Apr 10, 2020: Piper PA18 (N184WF), Homer, AK, substantial damage. Probable cause: The pilot's overapplication of the brakes during landing and the subsequent loss of directional control and nose-over.
- [NTSB GAA19CA140](https://openairdocs.org/ntsb/GAA19CA140), Feb 12, 2019: Piper PA24 (N9184P), Slaton, TX, substantial damage. Probable cause: The student pilot's complacency, which led to his improper crosswind correction and subsequent failure to maintain directional control during the landing roll, which resulted in a runway excursion…
- [NTSB GAA18CA181](https://openairdocs.org/ntsb/GAA18CA181), Mar 10, 2018: Piper PA22 (N50KF), Hillsboro, OR, substantial damage. Probable cause: The pilot's failure to maintain directional control during the landing roll in tailwind conditions.
- [NTSB ANC18LA005](https://openairdocs.org/ntsb/ANC18LA005), Oct 21, 2017: Raytheon B200 (N363JH), Anchorage, AK, substantial damage. Probable cause: The pilot's failure to extend the landing gear before landing, which resulted in a gear-up landing. Contributing to the accident was the pilot's fatigue and complacency.
- [NTSB GAA17CA233](https://openairdocs.org/ntsb/GAA17CA233), Apr 12, 2017: Piper PA 34 (N461RL), Llano, TX, substantial damage. Probable cause: The pilot’s complacency during the en route phase of flight, which resulted in fuel mismanagement and a subsequent gear-up landing.
- [NTSB ANC17FA018](https://openairdocs.org/ntsb/ANC17FA018), Mar 6, 2017: Cessna R172K (N736AS), Nome, AK, substantial damage, 1 fatal. Probable cause: The pilot's improper decision to conduct multiple visual approaches to the destination airport despite the night instrument meteorological conditions; the airplane's low fuel state at that time,…
- [NTSB ERA15LA202](https://openairdocs.org/ntsb/ERA15LA202), Apr 23, 2015: Beech D95 (N8950U), Jacksonville, FL, substantial damage. Probable cause: The pilot's failure to properly configure the airplane for landing. Contributing to the accident were pilot fatigue, distraction, and complacency and the failure of the landing gear warning horn to…
- [NTSB ERA14MA271](https://openairdocs.org/ntsb/ERA14MA271), Jun 1, 2014: Gulfstream Aerospace G IV (N121JM), Bedford, MA, destroyed, 7 fatal. Probable cause: The flight crewmembers' failure to perform the flight control check before takeoff, their attempt to take off with the gust lock system engaged, and their delayed execution of a rejected takeoff…
- [NTSB WPR14TA149](https://openairdocs.org/ntsb/WPR14TA149), Mar 27, 2014: Bell OH-58A (N497E), Tehachapi, CA, substantial damage. Probable cause: The pilot's decision to attempt a mission at night with known en route weather conditions below operating minimums, likely due to self-induced pressure, and then continue flight beyond the alternate…

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.

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