# NTSB investigations: Impairment/incapacitation, 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 WPR25FA062](https://openairdocs.org/ntsb/WPR25FA062.md): American Eurocopter AS350B3 · Potrero, CA · Accident · 1 fatal · Class 3 · Field · Final report · Dec 16, 2024 · N617GC · Substantial damage
  > The pilot’s loss of control during cruise flight due to incapacitation for reasons that could not be determined.
- [NTSB CEN24FA089](https://openairdocs.org/ntsb/CEN24FA089.md): Cessna 310R · Poolville, TX · Accident · 3 fatal · Class 3 · Field · Final report · Jan 14, 2024 · N252DL · Destroyed
  > Pilot incapacitation for undetermined reasons which resulted into controlled descent into terrain.
- [NTSB WPR23FA301](https://openairdocs.org/ntsb/WPR23FA301.md): Glasair Glastar · Idaho City, ID · Accident · 1 fatal · Class 3 · Field · Final report · Aug 4, 2023 · N617G · Substantial damage
  > The pilot’s loss of airplane control during takeoff for reasons that could not be determined.
- [NTSB CEN22FA405](https://openairdocs.org/ntsb/CEN22FA405.md): Cirrus SR22 · Tomball, TX · Accident · 1 fatal · Class 3 · Field · Final report · Sep 1, 2022 · N420SS · Substantial damage
  > The flight instructor’s inadequate supervision of the flight, which allowed for an unintentional movement of the mixture control to the cutoff position that remained unnoticed until the airplane lost engine power due to fuel starvation and descended below the…
- [NTSB CEN22FA100](https://openairdocs.org/ntsb/CEN22FA100.md): Bell 407 · Houma, LA · Accident · 2 fatal · Class 3 · Field · Final report · Jan 14, 2022 · N167RL · Destroyed
  > The pilot’s sudden loss of consciousness for undetermined reasons during cruise flight, which resulted in a loss of control and impact with terrain.
- [NTSB CEN22FA021](https://openairdocs.org/ntsb/CEN22FA021.md): Beech B36TC · Lena, WI · Accident · 1 fatal · Class 3 · Field · Final report · Oct 27, 2021 · N75RM · Substantial damage
  > Impairment and subsequent incapacitation of the pilot for reasons that could not be determined. The incapacitation resulted in a loss of engine power due to fuel starvation. Likely contributing was pilot hypoxia due to altitude exposure, possibly worsened by…
- [NTSB CEN20LA407](https://openairdocs.org/ntsb/CEN20LA407.md): Quicksilver MX II · Marengo, IN · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 21, 2020 · UNREG · Substantial damage
  > A loss of engine power due to carburetor icing. Contributing to the accident was the pilot’s decision to operate the airplane in conditions conducive to carburetor icing without a carburetor heating system, contrary to the engine manufacturer’s guidance.
- [NTSB CEN20LA122](https://openairdocs.org/ntsb/CEN20LA122.md): Cessna 208 · LaCrosse, KS · Accident · 1 fatal · Class 3 · Limited · Final report · Mar 17, 2020 · N274PM · Destroyed
  > An infight loss of control as a result of pilot impairment, the cause of which could not be determined.
- [NTSB ERA20FA022](https://openairdocs.org/ntsb/ERA20FA022.md): Beech 58 · Ocala, FL · Accident · 2 fatal · Class 3 · Field · Final report · Oct 31, 2019 · N959CM · Destroyed
  > The pilot’s failure to maintain control of the airplane due to an acute medical event and/or his use of impairing medications.
- [NTSB CEN19FA259](https://openairdocs.org/ntsb/CEN19FA259.md): Air Tractor AT502 · Sumner, IA · Accident · 1 fatal · Class 3 · Field · Final report · Aug 8, 2019 · N6113C · Destroyed
  > The pilot’s impairment by medical conditions and/or medications, which resulted in the airplane’s impact with power lines and terrain.
- [NTSB CEN18FA060](https://openairdocs.org/ntsb/CEN18FA060.md): X-Air XA85 · Oskaloosa, IA · Accident · 1 fatal · Field investigation · Final report · Dec 23, 2017 · N20XA · Substantial damage
  > The pilot's low altitude flight into a power line due to his impairment from an acute physiologic event during the flight. Contributing to the pilot's impairment was his use of two sedating medications.
- [NTSB ERA17FA131](https://openairdocs.org/ntsb/ERA17FA131.md): Air Tractor AT 602 · Minter City, MS · Accident · 1 fatal · Field investigation · Final report · Mar 19, 2017 · N2049D · Destroyed
  > The pilot's incapacitation for reasons that could not be determined, which resulted in collision with trees and terrain.
- [NTSB WPR16FA087](https://openairdocs.org/ntsb/WPR16FA087.md): North American AT 6A · Astoria, OR · Accident · 2 fatal · Field investigation · Final report · Mar 23, 2016 · N7055D · Destroyed
  > The pilot's loss of aircraft control during a low-altitude ash dispersal maneuver. Contributing to the accident was his degraded performance due to his medical conditions.
- [NTSB ERA16FA035](https://openairdocs.org/ntsb/ERA16FA035.md): Cessna 441 · Climax, GA · Accident · 2 fatal · Field investigation · Final report · Nov 9, 2015 · N164GP · Destroyed
  > The pilot’s loss of airplane control due to spatial disorientation. Also causal to the accident was the pilot’s impairment by the combined effects of multiple medications and drugs.
- [NTSB WPR15LA242](https://openairdocs.org/ntsb/WPR15LA242.md): Bartels Lancair · Pacific Ocean (Pacific Ocean) · Accident · 1 fatal · Limited investigation · Final report · Aug 14, 2015 · N427LE · Destroyed
  > The pilot's incapacitation for reasons that could not be determined because the airplane was not recovered from the ocean.
- [NTSB CEN15FA331](https://openairdocs.org/ntsb/CEN15FA331.md): Air Tractor AT 602 · Wilmot, AR · Accident · 1 fatal · Field investigation · Final report · Aug 1, 2015 · N6007N · Substantial damage
  > The pilot's inability to maintain control of the airplane as a result of incapacitation by drug effects or an acute cardiac event.
- [NTSB ERA15LA114](https://openairdocs.org/ntsb/ERA15LA114.md): Cessna 150 · Fernandina Beach, FL · Accident · Serious injuries · Limited investigation · Final report · Jan 25, 2015 · N10616 · Substantial damage
  > The pilot’s physical impairment due to intense pain, which resulted in his failure to maintain airplane control.
- [NTSB ERA14LA391](https://openairdocs.org/ntsb/ERA14LA391.md): Let L 23 Super Blanik · Sylacauga, AL · Accident · Serious injuries · Limited investigation · Final report · Aug 17, 2014 · N266SE · Substantial damage
  > The student pilot's failure to maintain adequate airspeed while maneuvering, which resulted in an aerodynamic stall and spin. Contributing to the accident was the student pilot's failure to properly assess her physical condition prior to conducting the flight.
- [NTSB ERA14FA289](https://openairdocs.org/ntsb/ERA14FA289.md): Meyer Clair O 2/3 P 51B/C Mustang · Marion, SC · Accident · 1 fatal · Field investigation · Final report · Jun 13, 2014 · N51BM · Substantial damage
  > The airplane's impact with terrain shortly after takeoff due to a physiological incapacitation of the pilot.
- [NTSB WPR14LA233](https://openairdocs.org/ntsb/WPR14LA233.md): North Wing Apache Sport · Polson, MT · Accident · 1 fatal · Limited investigation · Final report · Jun 7, 2014 · N2804P · Destroyed
  > The pilot’s loss of airplane control during initial climb due to his experiencing an incapacitating medical event.
- [NTSB ERA13FA388](https://openairdocs.org/ntsb/ERA13FA388.md): Cessna 172 · Limington, ME · Accident · 1 fatal · Field investigation · Final report · Aug 30, 2013 · N8063B · Substantial damage
  > An impairing medical event of undetermined origin that led to a loss of control during takeoff.
- [NTSB ERA13LA076](https://openairdocs.org/ntsb/ERA13LA076.md): Cassutt Sport Racer · Collegedale, TN · Accident · 1 fatal · Limited investigation · Final report · Dec 2, 2012 · N9CA · Substantial damage
  > Impact with trees and terrain during the landing approach likely due to the physiological incapacitation of the pilot.
- [NTSB ERA12FA465](https://openairdocs.org/ntsb/ERA12FA465.md): Piper PA-18-150 · Berlin, MD · Accident · 1 fatal · Field investigation · Final report · Jul 19, 2012 · N4330Z · Substantial damage
  > Pilot incapacitation of unknown origin, which resulted in the airplane’s loss of control and an inadvertent aerodynamic stall/spin.
- [NTSB ERA12LA290](https://openairdocs.org/ntsb/ERA12LA290.md): Cessna 421C · Accident · 1 fatal · Limited investigation · Final report · Apr 19, 2012 · N48DL · Substantial damage
  > Pilot incapacitation, which resulted in the pilot’s inability to maintain airplane control and the airplane’s subsequent ocean impact.
- [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 CEN12IA050](https://openairdocs.org/ntsb/CEN12IA050.md): Nusbaum Vaquero · Hebron, IL · Incident · No injuries · Incident investigation · Final report · Nov 1, 2011 · N30CY · No damage
  > The pilot’s operation of the airplane with known medical conditions and his subsequent heart attack during the flight.
- [NTSB CEN12CA044](https://openairdocs.org/ntsb/CEN12CA044.md): Aviat A-1 · Wolverton, MN · Accident · No injuries · Data collection · Final report · Oct 20, 2011 · N93HU · Substantial damage
  > The pilot's inadvertent excessive braking during the landing roll due to momentary pain.
- [NTSB ERA12FA051](https://openairdocs.org/ntsb/ERA12FA051.md): Cessna 150F · Moncks Corner, SC · Accident · 1 fatal · Field investigation · Final report · Oct 13, 2011 · N3086X · Substantial damage
  > The debilitating effects of ethylene glycol poisoning, which resulted in the pilot’s inability to maintain control of the airplane.
- [NTSB CEN11FA666](https://openairdocs.org/ntsb/CEN11FA666.md): Robinson Helicopter R44 · Curren, MI · Accident · 2 fatal · Field investigation · Final report · Sep 24, 2011 · N8324F · Substantial damage
  > The non-instrument-rated pilot's decision to continue visual flight into instrument meteorological conditions, which resulted in controlled flight into trees and the ground. Contributing to the accident was the pilot's impairment from multiple drugs.
- [NTSB ERA11LA234](https://openairdocs.org/ntsb/ERA11LA234.md): Let L 33 Solo · New Castle, VA · Accident · 1 fatal · Limited investigation · Final report · Apr 10, 2011 · N286BA · Substantial damage
  > Pilot incapacitation shortly after takeoff for unknown reasons.
- [NTSB CEN11FA259](https://openairdocs.org/ntsb/CEN11FA259.md): Burkhart Grob Flugzeugbau G102 Club Astir Iiib · Boulder, CO · Accident · 1 fatal · Field investigation · Final report · Apr 1, 2011 · N633BG · Substantial damage
  > The pilot's incapacitation for undetermined reasons, which resulted in a loss of control.
- [NTSB ERA11LA106](https://openairdocs.org/ntsb/ERA11LA106.md): Eurocopter MBB-BK · Cherry Point, NC · Accident · No injuries · Limited investigation · Final report · Dec 29, 2010 · N854EC · Substantial damage
  > The pilot's impairment during cruise flight due to a recurring stroke. Contributing to the accident was the Federal Aviation Administration's inadequate oversight of the pilot's known medical condition.
- [NTSB WPR10LA370](https://openairdocs.org/ntsb/WPR10LA370.md): Piper PA-28-180 · Walla Walla, WA · Accident · Serious injuries · Limited investigation · Final report · Jul 28, 2010 · N57PJ · Substantial damage
  > The pilot's partial incapacitation during cruise flight and his subsequent inadequate fuel management, which resulted in fuel starvation.
- [NTSB ERA10FA154](https://openairdocs.org/ntsb/ERA10FA154.md): Beech P35 · Edgewater, MD · Accident · 1 fatal · Field investigation · Final report · Feb 27, 2010 · N1521S · Substantial damage
  > The pilot's failure to maintain adequate airspeed while on approach, which resulted in an inadvertent stall. Contributing to the accident was the pilot's likely impairment due to back pain, symptoms of opiate withdrawal, or both.
- [NTSB CEN10LA129](https://openairdocs.org/ntsb/CEN10LA129.md): Piper PA-28-140 · Gatesville, TX · Accident · 1 fatal · Limited investigation · Final report · Feb 27, 2010 · N4218J · Destroyed
  > The pilot’s incapacitation as a result of one or more pre-existing medical conditions.
- [NTSB CEN09FA610](https://openairdocs.org/ntsb/CEN09FA610.md): Mooney M20M · Albany, IN · Accident · 1 fatal · Field investigation · Final report · Sep 30, 2009 · N400DE · Substantial damage
  > The incapacitation of the pilot during high-altitude cruise flight for undetermined reasons.
- [NTSB CEN09IA606](https://openairdocs.org/ntsb/CEN09IA606.md): Saab 340B · Traverse City, MI · Incident · No injuries · Incident investigation · Final report · Jul 31, 2009 · N452XJ · No damage
  > The flight attendant's incapacitation due to an anxiety attack.
- [NTSB WPR09LA032](https://openairdocs.org/ntsb/WPR09LA032.md): Universal Globe · Wallace, CA · Accident · 1 fatal · Limited investigation · Final report · Nov 7, 2008 · N80715 · Destroyed
  > The pilot's incapacitation during cruise for unknown reasons that resulted in a loss of aircraft control.
- [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 NYC08FA237](https://openairdocs.org/ntsb/NYC08FA237.md): Piper PA-28-161 · Middletown, RI · Accident · 2 fatal · Field investigation · Final report · Jul 3, 2008 · N9888K · Substantial damage
  > The flight instructor's failure to initiate a go-around during a high approach, and his inadequate remedial action during an attempted touch-and-go.

## 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", '02012000'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/02012000/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.