# NTSB investigations: Alertness/Fatigue, general

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 ERA24LA030](https://openairdocs.org/ntsb/ERA24LA030.md): Cessna 172 · Pembroke Pines, FL · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 31, 2023 · N140FS · Substantial damage
  > The pilot’s loss of airplane control and descent into terrain due to spatial disorientation during a solo night cross country flight. Contributing to the accident was the pilot’s self-reported fatigue.
- [NTSB ERA23FA164](https://openairdocs.org/ntsb/ERA23FA164.md): Piper PA-28-161 · Johns Island, SC · Accident · 1 fatal · Class 3 · Field · Final report · Mar 25, 2023 · N21480 · Substantial damage
  > The pilot’s decision to continue flight under visual flight rules into instrument meteorological conditions, which resulted in the pilot’s spatial disorientation and loss of control. Contributing to the accident was the pilot’s degraded judgement and…
- [NTSB ERA23FA001](https://openairdocs.org/ntsb/ERA23FA001.md): Cessna 172S · Hermantown, MN · Accident · 3 fatal · Class 3 · Field · Final report · Oct 2, 2022 · N262TA · Substantial damage
  > The pilot’s loss of airplane control due to spatial disorientation during initial climb in dark night and low instrument meteorological conditions, which resulted in a descent into terrain. Contributing to the accident was the pilot’s fatigue due to a long…
- [NTSB WPR22FA354](https://openairdocs.org/ntsb/WPR22FA354.md): Piper PA-28-140 · Sisters, OR · Accident · 1 fatal · Class 3 · Field · Final report · Sep 22, 2022 · N7063R · Destroyed
  > The non-instrument-rated pilot’s flight into instrument meteorological conditions, which resulted in spatial disorientation and a subsequent loss of airplane control. Contributing to the accident was the pilot’s degraded judgement due to fatigue.
- [NTSB ERA20CA260](https://openairdocs.org/ntsb/ERA20CA260.md): Robinson R44 · Whitehall, MD · Accident · No injuries · Class 4 · Data collection · Final report · Jul 24, 2020 · N350DM · Substantial damage
  > The pilot's failure to maintain adequate clearance from a known obstacle while landing from a hover.
- [NTSB CEN20CA247](https://openairdocs.org/ntsb/CEN20CA247.md): Cub Crafters CC19-180 · Fredericksburg, TX · Accident · No injuries · Class 4 · Data collection · Final report · Jun 24, 2020 · N97LL · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll. The pilot being fatigued likely contributed to his failure to maintain directional control during the landing roll.
- [NTSB ANC20CA032](https://openairdocs.org/ntsb/ANC20CA032.md): Cessna 172 · Big Lake, AK · Accident · No injuries · Data collection · Final report · Mar 10, 2020 · N52168 · Substantial damage
  > The pilot's improper decision to initiate the takeoff roll from a snow-covered taxiway, which resulted in a loss of directional control, runway excursion, and impact with a snow berm.
- [NTSB GAA18CA577](https://openairdocs.org/ntsb/GAA18CA577.md): Aviat A1 · Grand Island, NE · Accident · No injuries · Data collection · Final report · Sep 18, 2018 · N811YD · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll in tailwind and crosswind conditions. Contributing to the accident was the pilot’s fatigue.
- [NTSB CEN18FA149](https://openairdocs.org/ntsb/CEN18FA149.md): Eurocopter AS 350 B2 · Hazelhurst, WI · Accident · 3 fatal · Field investigation · Final report · Apr 27, 2018 · N127LN · Destroyed
  > The pilot's loss of helicopter control as a result of fatigue during cruise flight at night.
- [NTSB GAA18CA174](https://openairdocs.org/ntsb/GAA18CA174.md): Cessna P210 · Jacksonville, FL · Accident · No injuries · Data collection · Final report · Feb 20, 2018 · N81MT · Substantial damage
  > The pilot’s failure to extend the landing gear before landing. Contributing to the accident were pilot fatigue and his failure to use the before landing checklist.
- [NTSB CEN18FA053](https://openairdocs.org/ntsb/CEN18FA053.md): Cessna T210M · Oldenburg, IN · Accident · 3 fatal · Field investigation · Final report · Dec 17, 2017 · N761YZ · Destroyed
  > A total loss of engine power due to the failure of the No. 4 piston, which resulted in an attempted forced landing in dark night conditions and a subsequent in-flight collision with trees and terrain. Contributing to the accident were the pilot's situational…
- [NTSB ANC18LA005](https://openairdocs.org/ntsb/ANC18LA005.md): Raytheon B200 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Oct 21, 2017 · N363JH · Substantial damage
  > 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 CEN17FA072](https://openairdocs.org/ntsb/CEN17FA072.md): Cessna 525 · Cleveland, OH · Accident · 6 fatal · Field investigation · Final report · Dec 30, 2016 · N614SB · Destroyed
  > Controlled flight into terrain due to pilot spatial disorientation. Contributing to the accident was pilot fatigue, mode confusion related to the status of the autopilot, and negative learning transfer due to flight guidance panel and attitude indicator…
- [NTSB WPR16FA172](https://openairdocs.org/ntsb/WPR16FA172.md): Beech A36 · Sparks, NV · Accident · 2 fatal · Field investigation · Final report · Aug 31, 2016 · N985CA · Destroyed
  > The pilot's selection of a landing runway which, given the wind and traffic conditions, was susceptible to high crosswinds and the translation of wake turbulence across its approach path, and the controller's and pilot's failure to ensure separation from the…
- [NTSB GAA16CA320](https://openairdocs.org/ntsb/GAA16CA320.md): Beech 77 · Santa Fe, NM · Accident · No injuries · Data collection · Final report · Jun 16, 2016 · N60189 · Substantial damage
  > The pilot's decision to takeoff over the maximum takeoff weight in high density altitude conditions, which resulted in an inability to climb above terrain, a forced landing, and a collision with a road sign. Contributing to the accident was the pilot's…
- [NTSB CEN16LA206](https://openairdocs.org/ntsb/CEN16LA206.md): Beech A23-24 · Clintonville, WI · Accident · No injuries · Limited investigation · Final report · May 30, 2016 · N5771V · Substantial damage
  > The pilot’s failure to maintain the proper glidepath during the night visual approach, which resulted in impact with a runway threshold light, and his improper landing flare, which resulted in a hard landing. Contributing to the accident was the pilot's…
- [NTSB ERA16FA043](https://openairdocs.org/ntsb/ERA16FA043.md): Beech A36TC · Orlando, FL · Accident · 2 fatal · Field investigation · Final report · Nov 20, 2015 · N7FG · Destroyed
  > The pilot's failure to maintain adequate airspeed while turning to join the final approach leg of the airport traffic pattern with full airplane-nose-up trim, which resulted in the airplane exceeding its critical angle of attack and experiencing an…
- [NTSB GAA15CA263](https://openairdocs.org/ntsb/GAA15CA263.md): Piper PA 28R-200 · Doylestown, PA · Accident · No injuries · Data collection · Final report · Sep 7, 2015 · N1125X · Substantial damage
  > The pilot's failure to land with sufficient runway remaining to safely stop the airplane. Contributing to the accident was the pilot's fatigue during the flight.
- [NTSB CEN15LA117](https://openairdocs.org/ntsb/CEN15LA117.md): Piper PA-31-350 · Goodland, KS · Accident · No injuries · Limited investigation · Final report · Jan 21, 2015 · N66906 · Substantial damage
  > The pilot's improper fuel management and failure to conduct the engine failure emergency procedures and his improper conduct of the forced landing, which resulted in fuel starvation, a total loss of engine power, and the subsequent high-energy impact with…
- [NTSB CEN13LA464](https://openairdocs.org/ntsb/CEN13LA464.md): Piper PA-36-300 · Santa Teresa, NM · Accident · No injuries · Limited investigation · Final report · Aug 6, 2013 · N3789E · Substantial damage
  > The pilot’s failure to maintain clearance from a tree at the completion of an agricultural spray run. Contributing to the accident was the pilot’s decision to accept a high level of risk to spray a small field bordered by multiple obstacles and his fatigue…
- [NTSB ERA12LA429](https://openairdocs.org/ntsb/ERA12LA429.md): Robinson Helicopter R44 · Tallahassee, FL · Accident · No injuries · Limited investigation · Final report · Jul 4, 2012 · N561CH · Substantial damage
  > The pilot’s failure to maintain awareness of the helicopter’s altitude while attempting to troubleshoot the clutch actuator warning light, which resulted in an inadvertent descent and impact with water. Contributing to the accident was the pilot's possible…
- [NTSB CEN12IA123](https://openairdocs.org/ntsb/CEN12IA123.md): Boeing 737-7H4 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Dec 22, 2011 · N469WN · Minor damage
  > The snowplow operator’s incapacitation due to fatigue, which resulted in the snowplow contacting a parked airplane. Contributing to the incident was the company’s lack of a policy regarding employee fatigue.
- [NTSB DCA12MA020](https://openairdocs.org/ntsb/DCA12MA020.md): Eurocopter France AS350B2 · Las Vegas, NV · Accident · 5 fatal · Class 1 · Major · Final report · Dec 8, 2011 · N37SH · Destroyed
  > Sundance Helicopters’ inadequate maintenance of the helicopter, including (1) the improper reuse of a degraded self-locking nut, (2) the improper or lack of installation of a split pin, and (3) inadequate postmaintenance inspections, which resulted in the…
- [NTSB ANC11CA074](https://openairdocs.org/ntsb/ANC11CA074.md): Piper PA-18-150 · Coldfoot, AK · Accident · No injuries · Data collection · Final report · Aug 7, 2011 · N762LA · Substantial damage
  > The pilot's inadequate directional control of the airplane during takeoff. Contributing to the accident was the pilot’s fatigue.
- [NTSB WPR11FA354](https://openairdocs.org/ntsb/WPR11FA354.md): Cirrus SR20 · Fredonia, AZ · Accident · 2 fatal · Field investigation · Final report · Jul 30, 2011 · N365DP · Substantial damage
  > The non-instrument-rated pilots’ loss of situational awareness during a dark night flight over a remote area, which resulted in their failure to maintain an altitude sufficient to ensure adequate terrain clearnance. Contributing to the accident was the…
- [NTSB ANC11LA041](https://openairdocs.org/ntsb/ANC11LA041.md): Eclipse EA500 · Nome, AK · Accident · No injuries · Limited investigation · Final report · Jun 2, 2011 · N168TT · Substantial damage
  > The pilot landed without lowering the landing gear. Contributing to the accident was the pilot's decision to fly the airplane with an inoperative wing flap system.
- [NTSB ERA11CA238](https://openairdocs.org/ntsb/ERA11CA238.md): Mooney M20K · Augusta, GA · Accident · No injuries · Data collection · Final report · Apr 11, 2011 · N777CV · Substantial damage
  > The pilot's failure to extend the landing gear prior to landing. Contributing to the accident was the pilot’s reported fatigue.
- [NTSB WPR11FA103](https://openairdocs.org/ntsb/WPR11FA103.md): Cessna T206H · Stanwood, WA · Accident · 1 fatal · Field investigation · Final report · Jan 22, 2011 · N142HF · Substantial damage
  > The pilot did not confirm retraction of the landing gear before landing on water as a result of distraction. Contributing to the accident was the pilot coping with the death of a close family member in the days before the accident, which resulted in a…
- [NTSB CEN11LA138](https://openairdocs.org/ntsb/CEN11LA138.md): Cessna 172H · Walnut Grove, MO · Accident · 1 fatal · Limited investigation · Final report · Jan 4, 2011 · N1416F · Substantial damage
  > The pilot's loss of control for undetermined reasons. Contributing to the accident was the pilot's fatigue.
- [NTSB CEN10LA497](https://openairdocs.org/ntsb/CEN10LA497.md): Miller Charles W Vans RV-7A · El Dorado, AR · Accident · 1 fatal · Limited investigation · Final report · Aug 20, 2010 · N474JM · Substantial damage
  > The pilot's failure to maintain clearance with trees on takeoff at night. Contributing factors were fatigue and the pilot's lack of recent nighttime experience.
- [NTSB WPR10CA394](https://openairdocs.org/ntsb/WPR10CA394.md): Cessna 170 · Salt Lake City, UT · Accident · Minor injuries · Data collection · Final report · Aug 9, 2010 · N179MM · Substantial damage
  > The pilot’s failure to maintain aircraft control during the landing roll.
- [NTSB CEN10MA367](https://openairdocs.org/ntsb/CEN10MA367.md): Cessna 421B · Alpine, TX · Accident · 5 fatal · Major investigation · Final report · Jul 4, 2010 · N31AS · Substantial damage
  > The degraded performance of the airplane due to the pilot not properly setting the flaps and retracting the landing gear after takeoff. Contributing to the accident was the pilot’s fatigue.
- [NTSB WPR10LA200](https://openairdocs.org/ntsb/WPR10LA200.md): Bell 222U · Santa Maria, CA · Accident · No injuries · Limited investigation · Final report · Apr 9, 2010 · N222UT · Substantial damage
  > The pilot's inadequate preflight inspection to ensure that all tie-down straps were removed prior to flight. Contributing to the accident was the pilot's improper management of sleep opportunities during the preceding rest period, which likely contributed to…
- [NTSB CEN10LA117](https://openairdocs.org/ntsb/CEN10LA117.md): Mitsubishi MU-2B-60 · Amarillo, TX · Accident · No injuries · Limited investigation · Final report · Feb 4, 2010 · N644EM · Substantial damage
  > The pilot's loss of directional control while landing on an ice/snow covered runway.
- [NTSB OPS10IA001](https://openairdocs.org/ntsb/OPS10IA001.md): Boeing 767 · Atlanta Hartsfield Intl. Apt. (KATL), GA · Incident · No injuries · Incident investigation · Final report · Oct 19, 2009 · N185DN · No damage
  > The flight crew’s failure to identify the correct landing surface due to fatigue. Contributing to the cause of the incident were (1) the flight crew’s decision to accept a late runway change, (2) the unavailability of the approach light system and the…
- [NTSB ERA09CA518](https://openairdocs.org/ntsb/ERA09CA518.md): Piper PA46 · Chamblee, GA · Accident · No injuries · Data collection · Final report · Sep 14, 2009 · N664RS · Substantial damage
  > The pilot's failure to maintain aircraft control during landing. Contributing to the accident was pilot fatigue.
- [NTSB CEN09CA372](https://openairdocs.org/ntsb/CEN09CA372.md): Cessna 177 RG · Albuquerque, NM · Accident · No injuries · Data collection · Final report · Jun 22, 2009 · N1876Q · Substantial damage
  > The pilot's failure to maintain adequate airspeed while landing, resulting in an aerodynamic stall.
- [NTSB CEN09FA363](https://openairdocs.org/ntsb/CEN09FA363.md): Cirrus Design SR22 · Crystal, MN · Accident · 1 fatal · Field investigation · Final report · Jun 17, 2009 · N214BN · Destroyed
  > The pilot's failure to maintain airspeed which resulted in a loss of aircraft control during a go-around. Factors associated with the accident were the dark night lighting conditions, moderate to heavy rain, and fatigue.
- [NTSB CEN09PA348](https://openairdocs.org/ntsb/CEN09PA348.md): Agusta A109E · Santa Fe, NM · Accident · 2 fatal · Class 1 · Final report · Jun 10, 2009 · N606SP · Destroyed
  > The pilot's decision to take off from a remote, mountainous landing site in dark (moonless) night, windy, instrument meteorological conditions. Contributing to the accident were an organizational culture that prioritized mission execution over aviation safety…
- [NTSB DCA09FA048](https://openairdocs.org/ntsb/DCA09FA048.md): Boeing DC-10 · Baltimore, MD · Accident · Serious injuries · Field investigation · Final report · May 6, 2009 · N139WA · Substantial damage
  > the captain’s inappropriate control inputs following a firm landing, resulting in two hard nose-gear impacts before executing a go-around. Contributing to the inappropriate control inputs was the captain’s fatigue and physical discomfort; and a possible lack…
- [NTSB CEN09LA263](https://openairdocs.org/ntsb/CEN09LA263.md): Laseure Sonerai II · Grantsburg, WI · Accident · 1 fatal · Limited investigation · Final report · Apr 22, 2009 · N232PE · Destroyed
  > The pilot's failure to maintain airspeed during initial climb which resulted in a stall/spin. Contributing to the accident was the degraded engine performance.
- [NTSB WPR09CA181](https://openairdocs.org/ntsb/WPR09CA181.md): Max A Boesiger Jr Pulsar · Riddle, ID · Accident · No injuries · Data collection · Final report · Apr 6, 2009 · N610RJ · Substantial damage
  > A loss of engine power due to fuel exhaustion as a result of the pilot's becoming lost and disoriented. Contributing to the accident was fatigue, as reported by the pilot.
- [NTSB WPR09FA146](https://openairdocs.org/ntsb/WPR09FA146.md): Diamond Aircraft Ind DA-40 · Arcata, CA · Accident · 2 fatal · Field investigation · Final report · Mar 2, 2009 · N521DS · Destroyed
  > The pilot's failure to maintain proper altitude and glidepath while executing a night instrument approach. Contributing to the accident was the pilot's fatigue.
- [NTSB DCA09MA027](https://openairdocs.org/ntsb/DCA09MA027.md): Bombardier DHC-8-402 · Clarence Center, NY · Accident · 50 fatal · Class 1 · Major · Final report · Feb 13, 2009 · N200WQ · Destroyed
  > The captain’s inappropriate response to the activation of the stick shaker, which led to an aerodynamic stall from which the airplane did not recover. Contributing to the accident were (1) the flight crew's failure to monitor airspeed in relation to the…
- [NTSB WPR09LA016](https://openairdocs.org/ntsb/WPR09LA016.md): Heisler Lancair Legacy · Parowan, UT · Accident · 1 fatal · Limited investigation · Final report · Oct 18, 2008 · N151HT · Substantial damage
  > The pilot failed to secure the canopy prior to takeoff, resulting in his inability to control the aircraft during the takeoff. Contributing to the accident was the pilot’s impairment from prescription medications and possible obstructive sleep apnea.
- [NTSB DEN08FA162](https://openairdocs.org/ntsb/DEN08FA162.md): Pilatus PC-12/47E · Santa Fe, NM · Accident · 1 fatal · Field investigation · Final report · Sep 30, 2008 · N606SL · Destroyed
  > The pilot's incapacitation due to fatigue resulting in an in-flight collision with terrain.
- [NTSB ANC08LA085](https://openairdocs.org/ntsb/ANC08LA085.md): Cessna 185 · McCarthy, AK · Accident · No injuries · Limited investigation · Final report · Jul 4, 2008 · N80596 · Substantial damage
  > The pilot's improper fuel management which resulted in fuel starvation and a loss of engine power during cruise flight. Contributing to the accident was an aerodynamic stall during the emergency landing, the pilot's fatigue, and his unfamiliarity with the…
- [NTSB SEA08IA080](https://openairdocs.org/ntsb/SEA08IA080.md): Bombardier CL-600 · Hilo, HI · Incident · No injuries · Incident investigation · Final report · Feb 13, 2008 · N651BR · No damage
  > The captain and first officer inadvertently falling asleep during the cruise phase of flight. Contributing to the incident were the captain's undiagnosed obstructive sleep apnea and the flight crew’s recent work schedules, which included several consecutive…

## 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", '02013500'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/02013500/cases

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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.
