# NTSB investigations: Inflight upset

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.

Page 1 of 2 · 74 cases

## Latest cases

- [NTSB DCA26WA267](https://openairdocs.org/ntsb/DCA26WA267.md): Boeing 737 · Arabian Sea, Pakistan · Accident · No injuries · Class 3 · Foreign · Jul 7, 2026 · AP-BOI
- [NTSB WPR25LA089](https://openairdocs.org/ntsb/WPR25LA089.md): Lockheed C-130A · Daggett, CA · Accident · Serious injuries · Class 4 · Limited · Final report · Feb 1, 2025 · N466TM · No damage
  > An inflight upset due to an improperly secured load that resulted in serious injuries.
- [NTSB DCA25WA019](https://openairdocs.org/ntsb/DCA25WA019.md): Airbus A330 · International Waters, South Africa · Incident · Class 5 · Foreign · Oct 27, 2024 · ZS-SXJ · No damage
- [NTSB DCA24WA186](https://openairdocs.org/ntsb/DCA24WA186.md): Boeing 787 · Tbd, Türkiye · Accident · Serious injuries · Class 4 · Foreign · May 26, 2024 · A7-BHM · No damage
- [NTSB DCA24WA036](https://openairdocs.org/ntsb/DCA24WA036.md): Boeing 737 Max 8-200 · London, United Kingdom · Occurrence · Class 5 · Foreign · Dec 4, 2023 · EI-HET · No damage
- [NTSB DCA23WA455](https://openairdocs.org/ntsb/DCA23WA455.md): Boeing 737 · Ballina, Australia · Incident · Class 5 · Foreign · Sep 6, 2023 · VH-YQR · No damage
- [NTSB ERA23LA320](https://openairdocs.org/ntsb/ERA23LA320.md): Mesnard Velocity Twin · Sandersville, GA · Accident · 1 fatal · Class 3 · Limited · Final report · Aug 1, 2023 · N106VT · Substantial damage
  > A total loss of power in the right engine due to the right ECU injector wires being severed by the main landing gear actuator piston teeter bar as a result of a lack of clearance and protection of the wiring bundle.
- [NTSB ANC23FA008](https://openairdocs.org/ntsb/ANC23FA008.md): Raytheon C90A · Kaupo, HI · Accident · 3 fatal · Class 3 · Field · Final report · Dec 15, 2022 · N13GZ · Substantial damage
  > Guardian Flight’s inadequate pilot training and performance tracking, which failed to identify and correct the pilot’s consistent lack of skill, and which resulted in the pilot’s inability to maintain his position inflight using secondary instruments to…
- [NTSB ERA23FA078](https://openairdocs.org/ntsb/ERA23FA078.md): Rotorsport UK Cavalon · Beverly, MA · Accident · 1 fatal · Class 3 · Field · Final report · Dec 4, 2022 · N401GR · Substantial damage
  > The pilot’s improper yaw control during the takeoff initial climb, which resulted in an excessive sideslip and a subsequent loss of aircraft control.
- [NTSB WPR22LA284](https://openairdocs.org/ntsb/WPR22LA284.md): Bombardier BD-100-1A10 · San Francisco, CA · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 27, 2022 · N557XJ · No damage
  > An inflight upset resulting in serious injury to the cabin attendant following an autopilot disconnect for reasons that could not be determined based on the available information.
- [NTSB GAA22WA274](https://openairdocs.org/ntsb/GAA22WA274.md): Beech 90 · Le Bourget, France · Accident · Class 5 · Foreign · May 23, 2022 · F-HHAM · No damage
- [NTSB ERA22FA207](https://openairdocs.org/ntsb/ERA22FA207.md): Bell Helicopter Textron Canada 429 · Elba, NY · Accident · 2 fatal · Class 3 · Field · Final report · Apr 26, 2022 · N507TJ · Substantial damage
  > The pilots’ inappropriate flight control inputs while in vortex ring state, which resulted in main rotor blade contact with the tail boom and a subsequent in-flight breakup. Also causal was the flight instructor’s inadequate monitoring of the flight.
- [NTSB ERA22LA125](https://openairdocs.org/ntsb/ERA22LA125.md): Cirrus Design SR22 · Pinehurst, NC · Accident · No injuries · Class 4 · Limited · Final report · Feb 9, 2022 · N987AA · Substantial damage
  > The in-flight encounter while on final approach with high-speed trailing vortices from a military helicopter, resulting in abnormal runway contact. Contributing to the accident was the Cirrus pilot’s incorrect selection of the common traffic advisory…
- [NTSB ERA22FA105](https://openairdocs.org/ntsb/ERA22FA105.md): Eurocopter Deutschland EC135 P2+ · Drexel Hill, PA · Accident · Serious injuries · Class 3 · Field · Final report · Jan 11, 2022 · N531LN · Substantial damage
  > An inflight attitude upset for undetermined reasons that resulted in a rotor system overspeed, a reduction of power from both engines, and a subsequent hard landing.
- [NTSB CEN21FA290](https://openairdocs.org/ntsb/CEN21FA290.md): American AA-1A · Cleburne, TX · Accident · 2 fatal · Class 3 · Field · Final report · Jun 24, 2021 · N9261L · Destroyed
  > The canopy moving fully open during flight, which resulted in the pilot’s distraction and a subsequent aerodynamic stall/spin and loss of control.
- [NTSB WPR20CA192](https://openairdocs.org/ntsb/WPR20CA192.md): North Wing Uum Scout X-C · Rochester, WA · Accident · Serious injuries · Class 4 · Data collection · Final report · Jun 23, 2020 · N417HW · Substantial damage
  > The pilot’s failure to maintain adequate airspeed while on final approach in turbulent conditions, which resulted in an aerodynamic stall and subsequent hard landing.
- [NTSB WPR20LA155](https://openairdocs.org/ntsb/WPR20LA155.md): CSP Leasing Cavalon · Roseburg, OR · Accident · 1 fatal · Class 3 · Limited · Final report · May 28, 2020 · N477AG · Destroyed
  > A substantially unweighted rotor system for reasons that could not be determined, which resulted in contact between the main rotor blade and the gyrocopter’s keel tube and a loss of control and impact with terrain.
- [NTSB DCA20WA061](https://openairdocs.org/ntsb/DCA20WA061.md): Airbus A319 · Panama City, Panama · Incident · No injuries · Foreign investigation · Jan 23, 2020 · N703AV · No damage
  > The government of Panama has notified the NTSB of an incident involving a Airbus A319 airplane that occurred on January 23, 2020. The NTSB has appointed a U.S. Accredited Representative to assist the government of Panama's investigation under the provisions…
- [NTSB WPR20LA029](https://openairdocs.org/ntsb/WPR20LA029.md): Agusta A109 · Salt Lake City, UT · Accident · No injuries · Class 3 · Limited · Final report · Nov 13, 2019 · N271HC · Substantial damage
  > The flight nurse’s inadvertent application of left anti-torque pedal during cruise flight, which resulted in a rapid yaw and pitch movement that caused the tail rotor blades to contact the tailboom.
- [NTSB ERA19FA265](https://openairdocs.org/ntsb/ERA19FA265.md): Vans RV-12 · Lady Lake, FL · Accident · 1 fatal · Class 3 · Field · Final report · Sep 6, 2019 · N767FS · Destroyed
  > The pilot's loss of pitch control due to the in-flight opening of the canopy for reasons that could not be determined.
- [NTSB WPR19FA235](https://openairdocs.org/ntsb/WPR19FA235.md): Meyers Midget 0100 · Big Spring, TX · Accident · 1 fatal · Class 3 · Field · Final report · Aug 24, 2019 · N881MM · Substantial damage
  > The pilot’s failure to maintain situational awareness while conducting a roll, which resulted in his inability to recover from the maneuver before the airplane impacted the ground. Contributing to the accident was his inexperience in both aerobatic maneuvers…
- [NTSB WPR19LA135](https://openairdocs.org/ntsb/WPR19LA135.md): Bell 206 · Oxnard, CA · Accident · Serious injuries · Class 3 · Limited · Final report · May 4, 2019 · N49643 · Substantial damage
  > The pilot’s inability to maintain control of the helicopter while maneuvering at a low altitude due to reasons that could not be determined based on available evidence.
- [NTSB WPR19FA123](https://openairdocs.org/ntsb/WPR19FA123.md): Robinson R44 · Kailua, HI · Accident · 3 fatal · Class 3 · Field · Final report · Apr 29, 2019 · N808NV · Destroyed
  > The helicopter’s encounter with a strong downdraft or outflow boundary while operating at a higher than recommended airspeed in turbulence which resulted in a low-G condition, excessive main rotor flapping, and an in-flight breakup when the main rotor…
- [NTSB ERA19LA093](https://openairdocs.org/ntsb/ERA19LA093.md): Piper PA32RT · Atlantic Ocean (Atlantic Ocean) · Accident · 2 fatal · Limited investigation · Final report · Feb 1, 2019 · N3016L · Destroyed
  > The pilot's loss of control due to spatial disorientation.
- [NTSB WPR19TA037](https://openairdocs.org/ntsb/WPR19TA037.md): Scottish Series 100 MDL 101 · Lake Pleasant, AZ · Accident · Minor injuries · Class 3 · Final report · Nov 17, 2018 · N82696 · Substantial damage
  > Impact with a lake for undetermined reasons.
- [NTSB ERA19LA026](https://openairdocs.org/ntsb/ERA19LA026.md): Piper PA31T · Atlantic Ocean (Atlantic Ocean) · Accident · 5 fatal · Limited investigation · Final report · Oct 25, 2018 · N555PM · Destroyed
  > An in-flight loss of control, which resulted in an impact with water, for reasons that could not be determined because the airplane was not recovered.
- [NTSB ANC18LA057](https://openairdocs.org/ntsb/ANC18LA057.md): Aeros Venture 2000 · Bad Axe, MI · Accident · 1 fatal · Limited investigation · Final report · Jul 23, 2018 · N43865 · Substantial damage
  > The pilot's loss of aircraft control for reasons that could not be determined based on the available information.
- [NTSB WPR18LA197](https://openairdocs.org/ntsb/WPR18LA197.md): Beech 90 · Tolani Lake, AZ · Accident · No injuries · Class 3 · Limited · Final report · Jul 12, 2018 · N617MM · Substantial damage
  > An autopilot deviation during climb for undetermined reasons, which resulted in an in-flight upset and loss of airplane control. Contributing to the accident was the pilot’s failure to adequately monitor flight systems due to a distraction.
- [NTSB WPR18WA123](https://openairdocs.org/ntsb/WPR18WA123.md): Cessna T210N · Oudtshoorn, South Africa · Accident · 2 fatal · Foreign investigation · Feb 25, 2018 · ZS-KOM · Destroyed
- [NTSB WPR18FA091](https://openairdocs.org/ntsb/WPR18FA091.md): Piper PA34 · Minden, NV · Accident · 1 fatal · Field investigation · Final report · Feb 19, 2018 · N14GQ · Destroyed
  > The pilot's loss of airplane control due to spatial disorientation while maneuvering in instrument meteorological conditions. Contributing to the accident was the pilot's impairment from the use of a sedating antihistamine.
- [NTSB WPR18FA088](https://openairdocs.org/ntsb/WPR18FA088.md): Hastings Thomas G Cirrus VK 30 · Agua Dulce, CA · Accident · 4 fatal · Field investigation · Final report · Feb 11, 2018 · N52TH · Substantial damage
  > The driveshaft fracture due to overstress loading and rotational bending as a result of the under-torqued nuts on the elastomeric couplings backing off and the subsequent in-flight separation of the horizontal fairing due to contact with the separated end of…
- [NTSB WPR18LA055](https://openairdocs.org/ntsb/WPR18LA055.md): Kelley Derrick/Leza Aircam · Newport, OR · Accident · Minor injuries · Class 3 · Limited · Final report · Dec 23, 2017 · N959M · Substantial damage
  > The pilot’s failure to maintain airplane control while on final approach for landing in crosswind conditions, which resulted in a collision with trees.
- [NTSB WPR18LA029](https://openairdocs.org/ntsb/WPR18LA029.md): Bell 206 · Rolling Fork, MS · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 7, 2017 · N93PH · Substantial damage
  > An uncommanded yaw and subsequent loss of main rotor rpm for reasons that could not be determined.
- [NTSB WPR17IA086](https://openairdocs.org/ntsb/WPR17IA086.md): Beech A36TC · Livermore, CA · Incident · No injuries · Class 3 · Incident · Final report · Apr 10, 2017 · N755R · Minor damage
  > A mistrim condition while the autopilot was engaged for reasons that could not be determined based on available evidence, and the pilot’s subsequent failure to confirm the command bar status before disengaging the autopilot. Contributing to the accident were…
- [NTSB CEN17FA103](https://openairdocs.org/ntsb/CEN17FA103.md): Bell Helicopter Textron Canada 429 · Shreveport, LA · Accident · 2 fatal · Field investigation · Final report · Feb 15, 2017 · N598PB · Substantial damage
  > The pilot's inadvertent encounter with instrument meteorological conditions resulting in spatial disorientation, loss of control, and subsequent impact with terrain.
- [NTSB CEN17WA087](https://openairdocs.org/ntsb/CEN17WA087.md): Cessna 560 · Gardermoen, Norway · Accident · No injuries · Foreign investigation · Jan 11, 2017 · LN-IDB · Substantial damage
  > On January 11, 2017, about 1521 UTC, a Cessna 560, Norwegian registration LN-IDB, experienced a control upset during departure from the Oslo Airport (ENGM), Gardermoan, Norway. The two pilots on board were not injured. The airplane sustained substantial…
- [NTSB WPR16FA178](https://openairdocs.org/ntsb/WPR16FA178.md): Piper PA 28R-201T · Reno, NV · Accident · 3 fatal · Field investigation · Final report · Sep 12, 2016 · N821ET · Destroyed
  > The pilot's decision to depart with the airplane loaded above its maximum gross weight and at or just beyond its aft center of gravity limitations, which resulted in a loss of control during the initial climb. Contributing to the accident was the pressure to…
- [NTSB CEN16FA361](https://openairdocs.org/ntsb/CEN16FA361.md): Piper PA 46-310P · Chariton, IA · Accident · 1 fatal · Field investigation · Final report · Sep 7, 2016 · N465JM · Substantial damage
  > The non-instrument-rated pilot's loss of control due to spatial disorientation in instrument meteorological conditions, which resulted in an exceedance of the airplane's design stress limitations and a subsequent in-flight breakup. Contributing to the…
- [NTSB CEN16LA281](https://openairdocs.org/ntsb/CEN16LA281.md): Vans RV9 · Springfield, OH · Accident · 2 fatal · Limited investigation · Final report · Jul 22, 2016 · N807LK · Destroyed
  > The pilot’s decision to fly into known thunderstorms, which resulted in an in-flight breakup.
- [NTSB DCA16FA199](https://openairdocs.org/ntsb/DCA16FA199.md): Bell 525 · Italy, TX · Accident · 2 fatal · Class 2 · Field · Final report · Jul 6, 2016 · N525TA · Destroyed
  > A severe vibration of the helicopter that led to the crew's inability to maintain sufficient rotor rotation speed (Nr), leading to excessive main rotor blade flapping, subsequent main rotor blade contact with the tail boom, and the resultant in-flight…
- [NTSB ERA16FA006](https://openairdocs.org/ntsb/ERA16FA006.md): Columbia Aircraft Mfg LC41 550FG · Erwin, TN · Accident · 2 fatal · Field investigation · Final report · Oct 9, 2015 · N1058S · Destroyed
  > The pilot's decision to fly into a known area of adverse weather, which resulted in the airplane entering a severe thunderstorm and a subsequent loss of control.
- [NTSB CEN15FA268](https://openairdocs.org/ntsb/CEN15FA268.md): Piper PA 32 · Cuba, MO · Accident · 1 fatal · Field investigation · Final report · Jun 14, 2015 · N2966X · Destroyed
  > The pilot's continued flight into thunderstorm activity, which resulted in his loss of airplane control, the exceedance of the airplane's design limits, and its subsequent in-flight breakup. Contributing to the accident was the pilot's reliance on onboard…
- [NTSB GAA15CA051](https://openairdocs.org/ntsb/GAA15CA051.md): Piper PA 32R-300 · Gatlinburg, TN · Accident · No injuries · Data collection · Final report · Apr 26, 2015 · N2269M · Substantial damage
  > The pilot's encounter with extreme turbulence during descent over mountainous terrain, which resulted in a loss of control, and structural damage in flight.
- [NTSB CEN15FA126](https://openairdocs.org/ntsb/CEN15FA126.md): Enstrom 280FX · Erie, CO · Accident · 2 fatal · Field investigation · Final report · Jan 26, 2015 · N86235 · Destroyed
  > An in-flight failure of the helicopter's #2 main rotor spindle due to undetected fatigue cracking, which resulted in an in-flight breakup. Contributing to failure were the nonconforming thread root radius of the spindle and the manufacturer's failure to…
- [NTSB CEN15LA021](https://openairdocs.org/ntsb/CEN15LA021.md): Raytheon 58 · Dixon, IL · Accident · No injuries · Limited investigation · Final report · Oct 4, 2014 · N345PG · Substantial damage
  > The pilots’ improper decision to continue flight in icing conditions after the deicing boots could not shed accumulated ice, which resulted in a temporary loss of airplane control.
- [NTSB CEN14FA306](https://openairdocs.org/ntsb/CEN14FA306.md): Brumwell RV-6 · Sauk Rapids, MN · Accident · 2 fatal · Field investigation · Final report · Jun 21, 2014 · N135BB · Destroyed
  > The pilot’s loss of pitch control due to the in-flight opening of the canopy during cruise flight for reasons that could not be determined because fire damage precluded examination of the airplane’s canopy and systems.
- [NTSB ANC14FA022](https://openairdocs.org/ntsb/ANC14FA022.md): Cessna 208B · Kwethluk, AK · Accident · 2 fatal · Field investigation · Final report · Apr 8, 2014 · N126AR · Destroyed
  > The check airman's delayed remedial action and initiation of a recovery procedure after a simulated pitch trim excursion, which resulted in a loss of airplane control.
- [NTSB CEN14WA208](https://openairdocs.org/ntsb/CEN14WA208.md): Cessna 525A · Honiley, United Kingdom · Accident · No injuries · Foreign investigation · Dec 31, 2013 · N380CR · Substantial damage
- [NTSB WPR13LA233](https://openairdocs.org/ntsb/WPR13LA233.md): Schweizer G-164D · Butte City, CA · Accident · Minor injuries · Limited investigation · Final report · May 16, 2013 · N83110 · Substantial damage
  > The pilot's failure to maintain airplane control after an encounter with wake turbulence while maneuvering at low altitude. Contributing to the accident was the pilot’s fatigue due to extended hours of wakefulness and high workload.
- [NTSB WPR13LA137](https://openairdocs.org/ntsb/WPR13LA137.md): Hughes 369HS · Latangai Island, Papua New Guinea · Accident · 1 fatal · Limited investigation · Final report · Mar 2, 2013 · N471M · Substantial damage
  > The failure of both the pilot and the fish master of the vessel to adequately monitor their environment, which resulted in a collision.

Next page: https://openairdocs.org/ntsb-events/271/sequence.md?page=2

## 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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '271' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/271/sequence

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