# Fatal NTSB investigations: Not determined, 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.

Page 1 of 12 · 574 cases

## Latest cases

- [NTSB GAA26WA261](https://openairdocs.org/ntsb/GAA26WA261.md): Cessna 152 · Mengeringhausen, Germany · Incident · 1 fatal · Class 5 · Foreign · Jul 14, 2026 · D-EJCP · Destroyed
- [NTSB GAA26WA183](https://openairdocs.org/ntsb/GAA26WA183.md): Cessna 182 · Santa Cruz Barillas, Guatemala · Accident · 1 fatal · Class 5 · Foreign · May 3, 2026 · TG-JEB · Substantial damage
- [NTSB GAA26WA027](https://openairdocs.org/ntsb/GAA26WA027.md): Air Tractor AT802 · Krivi Put, Croatia · Accident · 1 fatal · Class 5 · Foreign · Nov 13, 2025 · OR-2025 · Destroyed
- [NTSB GAA25WA260](https://openairdocs.org/ntsb/GAA25WA260.md): Aerospool WT9 Dynamic LSA · Orbe, Switzerland · Accident · 1 fatal · Class 4 · Foreign · Aug 16, 2025 · HB-WZN · Substantial damage
- [NTSB WPR25LA212](https://openairdocs.org/ntsb/WPR25LA212.md): Cessna T240 · San Diego, CA · Accident · 1 fatal · Class 4 · Limited · Final report · Jul 13, 2025 · N636CS
  > Impact with the ocean for reasons that could not be determined because the pilot and airplane were not located.
- [NTSB GAA25WA223](https://openairdocs.org/ntsb/GAA25WA223.md): Robin DR400 · Voglans, France · Accident · 3 fatal · Class 5 · Foreign · Jul 9, 2025 · F-GTPL · Destroyed
- [NTSB GAA25WA172](https://openairdocs.org/ntsb/GAA25WA172.md): Beech B36 · Korschenbroich, Germany · Accident · 2 fatal · Class 5 · Foreign · May 31, 2025 · D-EHVM · Destroyed
- [NTSB GAA25WA152](https://openairdocs.org/ntsb/GAA25WA152.md): De Havilland DHC2 · Saint-Basile-le-Grand, Canada · Accident · 1 fatal · Class 5 · Foreign · May 2, 2025 · C-FYNT · Substantial damage
- [NTSB CEN25LA164](https://openairdocs.org/ntsb/CEN25LA164.md): Air Tractor AT802 · Atlantic Ocean, Canada · Accident · 1 fatal · Class 4 · Limited · Final report · Apr 29, 2025 · N4025K · Destroyed
  > The airplane’s impact with the ocean for undetermined reasons based on the available evidence.
- [NTSB WPR25LA080](https://openairdocs.org/ntsb/WPR25LA080.md): Piper PA-32-300 · Round Mountain, NV · Accident · 1 fatal · Class 3 · Limited · Final report · Jan 2, 2025 · N4151R · Substantial damage
  > Impact with mountainous terrain for reasons that could not be determined due to a lack of available evidence.
- [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 CEN24FA346](https://openairdocs.org/ntsb/CEN24FA346.md): Sonex Sonex · Sulphur Springs, IN · Accident · 1 fatal · Class 3 · Field · Final report · Sep 10, 2024 · N966DP · Substantial damage
  > The pilot’s loss of directional control during takeoff for undetermined reasons.
- [NTSB ERA24FA362](https://openairdocs.org/ntsb/ERA24FA362.md): Schleicher Alexander ASH 26 E · Waynesville, OH · Accident · 1 fatal · Class 3 · Field · Final report · Aug 30, 2024 · N264JM · Substantial damage
  > A loss of control on takeoff for undetermined reasons.
- [NTSB CEN24FA312](https://openairdocs.org/ntsb/CEN24FA312.md): Engineering & Research Ercoupe 415-C · Elkhart, IL · Accident · 1 fatal · Class 3 · Field · Final report · Aug 7, 2024 · N3093H · Destroyed
  > An off-airport landing in a soybean field for reasons that could not be determined. Contributing to the severity of the pilot’s injuries and airplane damage was a fire that occurred at an unknown time.
- [NTSB CEN24FA298](https://openairdocs.org/ntsb/CEN24FA298.md): DeGraw DeBird · Napoleon, MI · Accident · 1 fatal · Class 3 · Field · Final report · Aug 4, 2024 · N140DG · Substantial damage
  > Separation of the gyroplane’s tail due to main rotor blade contact for reasons that could not be determined.
- [NTSB ERA24FA304](https://openairdocs.org/ntsb/ERA24FA304.md): Air Tractor AT802 · Cuba, KY · Accident · 1 fatal · Class 3 · Field · Final report · Jul 13, 2024 · N2003Y · Substantial damage
  > Impact with terrain for reasons that could not be determined.
- [NTSB ERA24FA300](https://openairdocs.org/ntsb/ERA24FA300.md): Piper PA-28-161 · Palm Beach Gardens, FL · Accident · 2 fatal · Class 3 · Field · Final report · Jul 10, 2024 · N81250 · Substantial damage
  > A loss of engine power for reasons that could not be determined.
- [NTSB WPR24FA213](https://openairdocs.org/ntsb/WPR24FA213.md): Grumman Acft ENG Cor-Schweizer G-164A · Chamberino, NM · Accident · 1 fatal · Class 3 · Field · Final report · Jun 25, 2024 · N9709 · Destroyed
  > An aerodynamic stall and loss of control for reasons that could not be determined based on the available information.
- [NTSB CEN24FA220](https://openairdocs.org/ntsb/CEN24FA220.md): Air Tractor AT-602 · Broseley, MO · Accident · 1 fatal · Class 3 · Field · Final report · Jun 14, 2024 · N115AA · Destroyed
  > The pilot’s inflight loss of airplane control for reasons that could not be determined.
- [NTSB CEN24FA148](https://openairdocs.org/ntsb/CEN24FA148.md): Davis DA-3 · Antlers, OK · Accident · 3 fatal · Class 3 · Field · Final report · Apr 4, 2024 · N88DT · Destroyed
  > Impact with terrain for reasons that could not be determined.
- [NTSB WPR24FA073](https://openairdocs.org/ntsb/WPR24FA073.md): Ostroth Thane L Cozy MK IV · Half Moon Bay, CA · Accident · 4 fatal · Class 3 · Field · Final report · Jan 15, 2024 · N656TE · Destroyed
  > The airplane’s impact with the ocean for undetermined reasons after departing into night, instrument meteorological conditions.
- [NTSB ERA24FA075](https://openairdocs.org/ntsb/ERA24FA075.md): Hughes Helicopters 369E · Miami, FL · Accident · 1 fatal · Class 3 · Field · Final report · Dec 27, 2023 · N757TB · Substantial damage
  > Main rotor contact with the tail boom for unknown reasons, resulting in the separation of the tail boom.
- [NTSB ERA24FA069](https://openairdocs.org/ntsb/ERA24FA069.md): American Eurocopter AS350B2 · Hammonton, NJ · Accident · 2 fatal · Class 3 · Field · Final report · Dec 20, 2023 · N606HD · Destroyed
  > The helicopter’s gradual descent and impact with terrain for reasons that could not be determined.
- [NTSB ERA24FA026](https://openairdocs.org/ntsb/ERA24FA026.md): Piper PA-32-300 · Marion, OH · Accident · 2 fatal · Class 3 · Field · Final report · Oct 31, 2023 · N44601 · Destroyed
  > A descent and impact with terrain for undetermined reasons.
- [NTSB ERA23FA357](https://openairdocs.org/ntsb/ERA23FA357.md): Robinson Helicopter R22 Beta · Kingston, NJ · Accident · 1 fatal · Class 3 · Field · Final report · Aug 31, 2023 · N2356M · Substantial damage
  > A loss of control, which resulted in the main rotor blade severing the tail boom, for reasons that could not be determined.
- [NTSB CEN23FA391](https://openairdocs.org/ntsb/CEN23FA391.md): Schleicher Alexander ASH 26 E · Wellington, CO · Accident · 1 fatal · Class 3 · Field · Final report · Aug 31, 2023 · N50FU · Substantial damage
  > The pilot’s loss of glider control during approach for reasons that could not be determined, which resulted in an aerodynamic stall at an altitude too low for recovery.
- [NTSB ERA23FA352](https://openairdocs.org/ntsb/ERA23FA352.md): Eurocopter EC135 · Pompano Beach, FL · Accident · 2 fatal · Class 3 · Field · Final report · Aug 28, 2023 · N109BC · Destroyed
  > An inflight fire outside of the engine firewalls, likely from overheating of the No. 1 engine for undetermined reasons, which resulted in a partial tailboom separation.
- [NTSB WPR23FA323](https://openairdocs.org/ntsb/WPR23FA323.md): Hensler Howard Cassutt · West Jordan, UT · Accident · 1 fatal · Class 3 · Field · Final report · Aug 23, 2023 · N6291N · Substantial damage
  > A loss of control during the initial climb for reasons that could not be determined.
- [NTSB CEN23LA376](https://openairdocs.org/ntsb/CEN23LA376.md): Sixchuter Spirit XL · Hovland, MN · Accident · 1 fatal · Class 4 · Limited · Final report · Aug 18, 2023 · N538DR · Destroyed
  > The collision with the lake by a noncertificated pilot for reasons that could not be determined.
- [NTSB ANC23FA061](https://openairdocs.org/ntsb/ANC23FA061.md): Piper PA-18-150 · Skwentna, AK · Accident · 2 fatal · Class 3 · Field · Final report · Aug 9, 2023 · N4481Z · Destroyed
  > An impact with terrain for reasons that could not be determined because the airplane was not recovered due to the inaccessible nature of the accident site.
- [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 ERA23FA321](https://openairdocs.org/ntsb/ERA23FA321.md): Kolb Firestar · McAlpin, FL · Accident · 1 fatal · Class 3 · Field · Final report · Aug 3, 2023 · Unreg · Substantial damage
  > A collision with trees during takeoff for reasons that could not be determined based on available information.
- [NTSB CEN23FA340](https://openairdocs.org/ntsb/CEN23FA340.md): Richards Heavylift Helo UH-1H · Oakdale, IL · Accident · 1 fatal · Class 3 · Field · Final report · Jul 31, 2023 · N567VF · Substantial damage
  > An in-flight loss of control for undetermined reasons.
- [NTSB CEN23FA269](https://openairdocs.org/ntsb/CEN23FA269.md): Schweizer G-164B · Beltrami, MN · Accident · 1 fatal · Class 3 · Field · Final report · Jun 27, 2023 · N7503H · Substantial damage
  > A collision with terrain and subsequent nose over for undetermined reasons.
- [NTSB WPR23FA208](https://openairdocs.org/ntsb/WPR23FA208.md): Piper PA-31-325 · Tupelo, MS · Accident · 2 fatal · Class 3 · Field · Final report · Jun 3, 2023 · N4077W · Destroyed
  > The pilot's exceedance of the airplane's critical angle of attack while maneuvering after takeoff for reasons that could not be determined, which resulted in an aerodynamic stall and subsequent loss of control.
- [NTSB ERA23FA254](https://openairdocs.org/ntsb/ERA23FA254.md): Zenith 601XL · Albertville, AL · Accident · 1 fatal · Class 3 · Field · Final report · Jun 3, 2023 · N601YP · Substantial damage
  > A descent and impact with terrain for reasons that could not be determined.
- [NTSB CEN23FA204](https://openairdocs.org/ntsb/CEN23FA204.md): Luce Buttercup · Lyndonville, NY · Accident · 2 fatal · Class 3 · Field · Final report · May 28, 2023 · N18263 · Destroyed
  > An in-flight breakup due to structural overload of the airplane for undetermined reasons.
- [NTSB ERA23FA239](https://openairdocs.org/ntsb/ERA23FA239.md): Commander 114TC · Palm City, FL · Accident · 1 fatal · Class 3 · Field · Final report · May 21, 2023 · N6042E · Destroyed
  > A loss of engine power for undetermined reasons, and the pilot’s subsequent loss of control, which resulted in impact with terrain.
- [NTSB WPR23FA185](https://openairdocs.org/ntsb/WPR23FA185.md): Gates Lear Jet 36A · San Clemente Island, CA · Accident · 3 fatal · Class 3 · Field · Final report · May 10, 2023 · N56PA · Destroyed
  > The pilots’ loss of airplane control following a catastrophic fire that started on the left side of the aft equipment bay (tail cone). The fire likely initiated from a leak from the left fuel motive flow line due to a b-nut that loosened for reasons that…
- [NTSB CEN23FA144](https://openairdocs.org/ntsb/CEN23FA144.md): Zenith Stol CH701 · Oxford, MS · Accident · 1 fatal · Class 3 · Field · Final report · Mar 29, 2023 · N43414 · Destroyed
  > An in-flight collision with trees and terrain for undetermined reasons.
- [NTSB WPR23FA143](https://openairdocs.org/ntsb/WPR23FA143.md): Cessna T182T · Queets, WA · Accident · 1 fatal · Class 3 · Field · Final report · Mar 7, 2023 · N24289 · Destroyed
  > The pilot’s failure to maintain clearance from terrain for undetermined reasons.
- [NTSB ERA23FA130](https://openairdocs.org/ntsb/ERA23FA130.md): Cirrus Design SR22 · Duluth, MN · Accident · 1 fatal · Class 3 · Field · Final report · Feb 24, 2023 · N929DR · Destroyed
  > A rapid descent and subsequent collision with terrain for reasons that could not be determined based on the available evidence.
- [NTSB ERA23FA113](https://openairdocs.org/ntsb/ERA23FA113.md): Beech A36 · North Castle, NY · Accident · 2 fatal · Class 3 · Field · Final report · Jan 19, 2023 · N19MT · Substantial damage
  > The pre-ignition/detonation damage to the No. 4 piston for reasons that could not be determined, which allowed the crankcase to become pressurized and resulted in oil exhaustion and subsequent catastrophic internal engine failure.
- [NTSB CEN23FA060](https://openairdocs.org/ntsb/CEN23FA060.md): Beech F33A · Yukon, OK · Accident · 3 fatal · Class 3 · Field · Final report · Dec 6, 2022 · N9142Q · Destroyed
  > The pilot’s loss of airplane control for reasons that could not be determined.
- [NTSB ERA23FA047](https://openairdocs.org/ntsb/ERA23FA047.md): Hawker Beechcraft G58 · Alpharetta, GA · Accident · 2 fatal · Class 3 · Field · Final report · Oct 31, 2022 · N495AU · Destroyed
  > The pilot’s loss of aircraft control for unknown reasons.
- [NTSB ERA23FA045](https://openairdocs.org/ntsb/ERA23FA045.md): Bearhawk Patrol · Hanover Township, PA · Accident · 2 fatal · Class 3 · Field · Final report · Oct 29, 2022 · N964RS · Substantial damage
  > The pilot’s decision to unlatch his seatbelt during flight, which allowed him to exit the airplane and impact the tail, resulting in a loss of control and impact with terrain.
- [NTSB WPR23FA007](https://openairdocs.org/ntsb/WPR23FA007.md): Cornford Craig H Mustang II · Jamul, CA · Accident · 1 fatal · Class 3 · Field · Final report · Oct 4, 2022 · N887QR · Destroyed
  > Impact with mountainous terrain for undetermined reasons due to the limited evidence that could be collected from the accident scene
- [NTSB CEN22FA436](https://openairdocs.org/ntsb/CEN22FA436.md): Piper PA-28-140 · Allentown, PA · Accident · 1 fatal · Class 3 · Field · Final report · Sep 28, 2022 · N7329F · Destroyed
  > A partial loss of engine power for undetermined reasons.
- [NTSB ANC22FA069](https://openairdocs.org/ntsb/ANC22FA069.md): Story Charles Brad TT FOX · Wasilla, AK · Accident · 1 fatal · Class 3 · Field · Final report · Aug 29, 2022 · N2723P · Substantial damage
  > The pilot’s inability to maintain control of the airplane for reasons that could not be determined.
- [NTSB WPR22LA371](https://openairdocs.org/ntsb/WPR22LA371.md): Cessna 172M · Pacific Ocean, CA · Accident · 1 fatal · Class 3 · Limited · Final report · Aug 20, 2022 · N9670V
  > Undetermined because the airplane and pilot were not located.

Next page: https://openairdocs.org/ntsb-findings/05000000/cases.md?fatal=1&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."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '05000000'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/05000000/cases?fatal=1

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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.
