# 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 3 of 45 · 2,248 cases

## Cases, newest first

- [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 ERA23LA309](https://openairdocs.org/ntsb/ERA23LA309.md): Bell 206-L4 · Caldwell, OH · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 23, 2023 · N482TJ · Substantial damage
  > The helicopter’s uncontrolled vertical descent and impact with terrain for reasons that could not be determined.
- [NTSB CEN23LA318](https://openairdocs.org/ntsb/CEN23LA318.md): Beech H35 · Georgetown, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 23, 2023 · N365B · Substantial damage
  > A loss of engine power for reasons that could not be determined.
- [NTSB CEN23LA319](https://openairdocs.org/ntsb/CEN23LA319.md): Alisport Silent 2 Electro · Wallis, TX · Accident · No injuries · Class 3 · Limited · Final report · Jul 22, 2023 · N64JG · Substantial damage
  > The failure of the tail boom structure due to cyclic torsion overloading as of a result of flutter in the empennage. The reason for the flutter could not be determined.
- [NTSB CEN23LA306](https://openairdocs.org/ntsb/CEN23LA306.md): Robinson Helicopter R44 II · Pocahontas, IL · Accident · No injuries · Class 3 · Limited · Final report · Jul 14, 2023 · N62RK · Substantial damage
  > A reported loss of engine power for undetermined reasons.
- [NTSB CEN23LA297](https://openairdocs.org/ntsb/CEN23LA297.md): Cirrus Design SR22 · Boelus, NE · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 12, 2023 · N151SR · Substantial damage
  > Loss of engine power for reasons that could not be determined.
- [NTSB CEN23LA295](https://openairdocs.org/ntsb/CEN23LA295.md): Bell UH-1H · Woodlawn, IL · Accident · No injuries · Class 3 · Limited · Final report · Jul 11, 2023 · N900VF · Substantial damage
  > The separation of the tail boom from the fuselage for reasons that could not be determined.
- [NTSB CEN23LA294](https://openairdocs.org/ntsb/CEN23LA294.md): Pipistrel Lsa S R L Alpha Trainer · Lee's Summit, MO · Accident · No injuries · Class 4 · Limited · Final report · Jul 8, 2023 · N201ZM · Substantial damage
  > An engine fire after landing for reasons that could not be determined.
- [NTSB ERA23LA288](https://openairdocs.org/ntsb/ERA23LA288.md): Steen Skybolt · Aliceville, AL · Accident · No injuries · Class 4 · Limited · Final report · Jul 4, 2023 · N32WM · Substantial damage
  > A partial loss of engine power for reasons that could not be determined as the wreckage was not recovered and could not be examined.
- [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 CEN23LA262](https://openairdocs.org/ntsb/CEN23LA262.md): Piper PA23 · Ocean Springs, MS · Accident · No injuries · Class 3 · Limited · Final report · Jun 23, 2023 · N4307P · Substantial damage
  > A total loss of engine power during the initial climb due to fuel starvation for undetermined reasons.
- [NTSB CEN23LA259](https://openairdocs.org/ntsb/CEN23LA259.md): Piper PA-28RT-201T · Baytown, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 23, 2023 · N8446B · Substantial damage
  > The total loss of engine power for undetermined reasons and the subsequent impact with terrain.
- [NTSB ERA23LA267](https://openairdocs.org/ntsb/ERA23LA267.md): Fly Gyros M24 Orion · Venice, FL · Accident · Serious injuries · Class 3 · Limited · Final report · Jun 10, 2023 · N49PF · Substantial damage
  > The pilot’s failure to maintain directional control on takeoff for unknown reasons; whether the pilot’s acute stroke contributed to, or resulted from, the accident could not be determined.
- [NTSB CEN23LA224](https://openairdocs.org/ntsb/CEN23LA224.md): Beech A36 · Oklahoma City, OK · Accident · No injuries · Class 3 · Limited · Final report · Jun 4, 2023 · N9169Q · Substantial damage
  > A loss of engine power during approach for landing 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 ERA23LA251](https://openairdocs.org/ntsb/ERA23LA251.md): Magniflight M24 Orion Plus · Dauphin Island, AL · Accident · No injuries · Class 3 · Limited · Final report · May 30, 2023 · N1777W · Substantial damage
  > A partial loss of engine power due to a loss of combustion in the No. 4 cylinder for undetermined reasons.
- [NTSB CEN23LA221](https://openairdocs.org/ntsb/CEN23LA221.md): Quad City Challenger · Doniphan, MO · Accident · No injuries · Class 3 · Limited · Final report · May 28, 2023 · N265JW · Substantial damage
  > A partial loss of engine power for undetermined reasons.
- [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 ERA23LA248](https://openairdocs.org/ntsb/ERA23LA248.md): Raytheon B300 · Melbourne, FL · Accident · No injuries · Class 4 · Limited · Final report · May 26, 2023 · N680CB · Substantial damage
  > An inflight separation of the airplane’s airstair door 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 WPR23LA198](https://openairdocs.org/ntsb/WPR23LA198.md): Silvaire Luscombe 8A · Clovis, NM · Accident · Minor injuries · Class 3 · Limited · Final report · May 20, 2023 · N71983 · Substantial damage
  > The airplane’s uncontrollable descent and forced landing for reasons that could not be determined.
- [NTSB ERA23LA241](https://openairdocs.org/ntsb/ERA23LA241.md): Burril Benjamin D BDB001 · Wadesboro, NC · Accident · Minor injuries · Class 3 · Limited · Final report · May 17, 2023 · N191CK · Substantial damage
  > A reported total loss of engine power and a subsequent forced landing for reasons that could not be determined because the pilot did not make the wreckage available for examination.
- [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 WPR23LA183](https://openairdocs.org/ntsb/WPR23LA183.md): Aero Vodochody L-39ZA · Barnhart, TX · Accident · No injuries · Class 3 · Limited · Final report · May 2, 2023 · N343WT · Substantial damage
  > A total loss of engine power due to water-contaminated fuel from an undetermined source.
- [NTSB CEN23LA149](https://openairdocs.org/ntsb/CEN23LA149.md): Cessna 182Q · Gardner, KS · Accident · No injuries · Class 3 · Limited · Final report · Apr 7, 2023 · N982NC · Substantial damage
  > A total loss of engine power due to failure of the No. 6 connecting rod as a result of detonation.
- [NTSB ERA23FA174](https://openairdocs.org/ntsb/ERA23FA174.md): Cessna 525B · Gulf of Mexico (Gulf of Mexico) · Accident · No injuries · Class 3 · Field · Final report · Mar 30, 2023 · N869AC · Substantial damage
  > The separation of the left wing extension and winglet for reasons that could not be determined based on the available evidence.
- [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 CEN23LA136](https://openairdocs.org/ntsb/CEN23LA136.md): Cessna 150F · Hillsboro, TX · Accident · Class 4 · Limited · Final report · Mar 1, 2023 · N3090X · Substantial damage
  > Substantial damage for reasons undetermined based on the available evidence.
- [NTSB ERA23LA133](https://openairdocs.org/ntsb/ERA23LA133.md): Piper PA-12 · Ebeemee Township, ME · Accident · Minor injuries · Class 3 · Limited · Final report · Feb 25, 2023 · N4433M · Substantial damage
  > A partial power loss of engine power during initial climb 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 ANC23LA020](https://openairdocs.org/ntsb/ANC23LA020.md): Piper PA-16 · Soldotna, AK · Accident · No injuries · Class 3 · Limited · Final report · Feb 9, 2023 · N5987H · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB WPR23LA107](https://openairdocs.org/ntsb/WPR23LA107.md): Bell OH-58A · Yuma, AZ · Accident · Minor injuries · Class 3 · Limited · Final report · Feb 7, 2023 · N36FA · Substantial damage
  > A total loss of engine power for reasons that could not be determined.
- [NTSB WPR23LA104](https://openairdocs.org/ntsb/WPR23LA104.md): Beech F35 · Gladewater, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Feb 5, 2023 · N123JV · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB CEN23LA099](https://openairdocs.org/ntsb/CEN23LA099.md): Piper PA-28-160 · Eau Claire, WI · Accident · No injuries · Class 3 · Limited · Final report · Feb 5, 2023 · N9770J · Destroyed
  > The engine fire that began for undetermined reasons following numerous engine start attempts.
- [NTSB CEN23LA088](https://openairdocs.org/ntsb/CEN23LA088.md): Beech M35 · Tomball, TX · Accident · No injuries · Class 3 · Limited · Final report · Jan 22, 2023 · N9306Y · Substantial damage
  > A loss of engine power during cruise flight for undetermined reasons.
- [NTSB WPR23LA094](https://openairdocs.org/ntsb/WPR23LA094.md): Piper PA28R · Carlsbad, CA · Accident · No injuries · Class 3 · Limited · Final report · Jan 19, 2023 · N57355 · Substantial damage
  > A failure of the No. 2 piston connecting rod bearing due to oil starvation for reasons that could not be determined, which resulted in a complete loss of engine power.
- [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 ERA23LA111](https://openairdocs.org/ntsb/ERA23LA111.md): Piper PA-28-160 · Somerville, TN · Accident · No injuries · Class 4 · Limited · Final report · Jan 10, 2023 · N5841W · Substantial damage
  > Based on available evidence, the reason for the damage to the airplane’s propeller and engine cowling could not be determined.
- [NTSB CEN23LA076](https://openairdocs.org/ntsb/CEN23LA076.md): Cessna 182M · Council Bluffs, IA · Accident · No injuries · Class 3 · Limited · Final report · Jan 5, 2023 · N71494 · Substantial damage
  > The partial loss of engine power for reasons that could not be determined.
- [NTSB ERA23LA100](https://openairdocs.org/ntsb/ERA23LA100.md): Foutz Robert V Cozy Mark IV · Dublin, VA · Accident · No injuries · Class 3 · Limited · Final report · Dec 30, 2022 · N121 · Destroyed
  > A fire of undetermined origin during an attempted engine restart while taxiing.
- [NTSB WPR23LA078](https://openairdocs.org/ntsb/WPR23LA078.md): Airbus Helicopters EC 130 T2 · Boulder City, NV · Accident · Serious injuries · Class 3 · Limited · Final report · Dec 28, 2022 · N835GC · Substantial damage
  > The pilot’s failure to apply anti-torque pedal input in a sufficient, timely, and sustained manner while attempting to arrest a turn during a hover-taxi, which resulted in a loss of directional control. Contributing to the severity of the occupants’ injuries…
- [NTSB ERA23LA093](https://openairdocs.org/ntsb/ERA23LA093.md): Piper PA-28-151 · Annapolis, MD · Accident · Minor injuries · Class 3 · Limited · Final report · Dec 26, 2022 · N1867H · Substantial damage
  > A reported partial loss of engine power for undetermined reasons.
- [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 CEN23LA124](https://openairdocs.org/ntsb/CEN23LA124.md): Cessna 210 · Waco, TX · Accident · No injuries · Class 3 · Limited · Final report · Nov 27, 2022 · N9468T · Substantial damage
  > The nose landing gear retract arm separation for reasons that could not be determined.
- [NTSB CEN23LA049](https://openairdocs.org/ntsb/CEN23LA049.md): Cessna 182A · Durango, CO · Accident · No injuries · Class 3 · Limited · Final report · Nov 24, 2022 · N3886D · Substantial damage
  > A complete loss of engine power for reasons that could not be determined from the available evidence.
- [NTSB ERA23LA068](https://openairdocs.org/ntsb/ERA23LA068.md): Piper PA28 · Manassas, VA · Accident · Serious injuries · Class 3 · Limited · Final report · Nov 21, 2022 · N7261F · Substantial damage
  > A total loss of engine power for reasons that could not be determined based on the available evidence.

Next page: https://openairdocs.org/ntsb-findings/05000000/cases.md?page=4

## 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", '05000000'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/05000000/cases?page=3

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