# Final 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 44 · 2,175 cases

## Latest cases

- [NTSB ANC26LA026](https://openairdocs.org/ntsb/ANC26LA026.md): Cessna U206F · Juneau, AK · Accident · Minor injuries · Class 4 · Limited · Final report · Apr 16, 2026 · N93021 · Substantial damage
  > A total loss of engine power for reasons that could not be determined because the airplane was not recovered from the ocean.
- [NTSB WPR26LA062](https://openairdocs.org/ntsb/WPR26LA062.md): Bell 407 · Las Vegas, NV · Accident · No injuries · Class 4 · Limited · Final report · Dec 15, 2025 · N404LL · Substantial damage
  > Tail rotor blade impact from an unidentified object at an undetermined time.
- [NTSB WPR26LA023](https://openairdocs.org/ntsb/WPR26LA023.md): Hawker Hawker Hunter MK.58 · Big Sur, CA · Accident · Minor injuries · Class 4 · Limited · Final report · Oct 15, 2025 · N335AX · Substantial damage
  > A complete loss of engine power for reasons that could not be determined.
- [NTSB CEN25LA378](https://openairdocs.org/ntsb/CEN25LA378.md): Cirrus Design SR22T · Racine, WI · Accident · No injuries · Class 4 · Limited · Final report · Sep 11, 2025 · N121JB · Substantial damage
  > A total loss of engine power for reasons that could not be determined.
- [NTSB CEN25LA352](https://openairdocs.org/ntsb/CEN25LA352.md): Glasair GlaStar · Hearne, TX · Accident · Minor injuries · Class 4 · Limited · Final report · Aug 28, 2025 · N605MN · Substantial damage
  > The inflight engine compartment fire for reasons that could not be determined.
- [NTSB CEN25LA328](https://openairdocs.org/ntsb/CEN25LA328.md): Vans RV14 · Parker, CO · Accident · Minor injuries · Class 4 · Limited · Final report · Aug 13, 2025 · N29JM · Substantial damage
  > Separation of the right landing gear wheel assembly during landing.
- [NTSB ERA25LA298](https://openairdocs.org/ntsb/ERA25LA298.md): Paschal JR Roy E Velocity XL RG · Columbia, SC · Accident · No injuries · Class 4 · Limited · Final report · Aug 12, 2025 · N7778M · Substantial damage
  > A landing gear collapse during landing.
- [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 ERA25LA261](https://openairdocs.org/ntsb/ERA25LA261.md): Cessna 172H · Century, FL · Accident · No injuries · Class 3 · Limited · Final report · Jul 9, 2025 · N3254C · Substantial damage
  > A total loss of engine power for reasons that could not be determined based on available information.
- [NTSB ERA25LA259](https://openairdocs.org/ntsb/ERA25LA259.md): Robbins C/Robbins J Rotorway Exec 162F · Towanda, PA · Accident · No injuries · Class 4 · Limited · Final report · Jul 4, 2025 · N31XR · Destroyed
  > An in-flight fire for reasons that could not be determined due to the extent of fire damage.
- [NTSB ERA25LA216](https://openairdocs.org/ntsb/ERA25LA216.md): Cessna 172F · Vero Beach, FL · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 2, 2025 · N5200F · Substantial damage
  > A total loss of engine power for reasons that could not be determined.
- [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 CEN25LA149](https://openairdocs.org/ntsb/CEN25LA149.md): Pphu Ekolot KR-030 Topaz · Platteville, WI · Accident · Serious injuries · Class 3 · Limited · Final report · Apr 8, 2025 · N568RD · Substantial damage
  > The pilot’s failure to maintain clearance from terrain for reasons which could not be determined.
- [NTSB CEN25LA107](https://openairdocs.org/ntsb/CEN25LA107.md): Schweizer 269C-1 · Alvord, TX · Accident · No injuries · Class 3 · Limited · Final report · Feb 28, 2025 · N2027T · Substantial damage
  > A total loss of engine power for a reason that could not be determined.
- [NTSB CEN25LA083](https://openairdocs.org/ntsb/CEN25LA083.md): Raytheon Hawker 800XP · Minneapolis, MN · Accident · No injuries · Class 4 · Limited · Final report · Jan 20, 2025 · N6NR · Substantial damage
  > The failure of the nose landing gear to extend for undetermined reasons.
- [NTSB ERA25LA100](https://openairdocs.org/ntsb/ERA25LA100.md): Consolidated Aeronautics Lake LA-4-200 · Orange, MA · Accident · No injuries · Class 4 · Limited · Final report · Jan 12, 2025 · N8BZ · Substantial damage
  > Failure of the left main landing gear to fully extend and lock for undetermined reasons as a functional test of the landing gear system could not duplicate the anomaly.
- [NTSB ERA25LA096](https://openairdocs.org/ntsb/ERA25LA096.md): Piper PA-44-180 · Pompano Beach, FL · Accident · No injuries · Class 4 · Limited · Final report · Jan 10, 2025 · N555HF · Substantial damage
  > The separation of the securing hardware for the right main landing gear upper and lower torque links for undetermined reasons, which prevented extension of the right main landing gear.
- [NTSB WPR25LA077](https://openairdocs.org/ntsb/WPR25LA077.md): Bombardier Inc., Canadair CL-215-6B11 · Los Angeles, CA · Incident · No injuries · Class 4 · Limited · Final report · Jan 9, 2025 · C-GQBE · 2 aircraft · Minor damage
  > The NTSB did not determine the probable cause of this event and does not plan to issue a report or open a public docket. The investigation of this event is being conducted under the jurisdiction of the Federal Bureau of Investigation.
- [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 WPR25LA048](https://openairdocs.org/ntsb/WPR25LA048.md): Mooney M20F · Fullerton, CA · Accident · Serious injuries · Class 3 · Limited · Final report · Nov 25, 2024 · N9245V · Substantial damage
  > The loss of engine power during departure for reasons that could not be determined.
- [NTSB CEN25LA041](https://openairdocs.org/ntsb/CEN25LA041.md): Rotorway Exec 162 F · Blaine, MN · Accident · No injuries · Class 4 · Limited · Final report · Nov 15, 2024 · N280P · Substantial damage
  > A loss of engine power that resulted in a hard landing.
- [NTSB ERA25LA044](https://openairdocs.org/ntsb/ERA25LA044.md): Schweizer 269C-1 · Boalsburg, PA · Accident · No injuries · Class 3 · Limited · Final report · Nov 10, 2024 · N504JN · Substantial damage
  > A loss of engine power for reasons that could not be determined.
- [NTSB ERA25LA007](https://openairdocs.org/ntsb/ERA25LA007.md): North American Navion · Rutherfordton, NC · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 3, 2024 · N9117R · Substantial damage
  > An in-flight fire, the origin of which could not be determined based on the available evidence.
- [NTSB CEN24LA364](https://openairdocs.org/ntsb/CEN24LA364.md): Grumman G-164A · LaPlace, LA · Accident · No injuries · Class 4 · Limited · Final report · Sep 21, 2024 · N6565 · Substantial damage
  > Total loss of engine power during the agricultural application flight 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 ERA24LA369](https://openairdocs.org/ntsb/ERA24LA369.md): Piper PA-28-181 · Somerville, NJ · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 4, 2024 · N512AF · Substantial damage
  > A total loss of engine power due to an undetermined fuel delivery issue.
- [NTSB CEN24LA336](https://openairdocs.org/ntsb/CEN24LA336.md): Cessna 182D · Coopersville, MI · Accident · Class 4 · Limited · Final report · Aug 31, 2024 · N9020X · Substantial damage
  > The loss of airplane control while landing.
- [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 ERA24LA303](https://openairdocs.org/ntsb/ERA24LA303.md): Jones LONG-EZ · Thomasville, GA · Accident · No injuries · Class 3 · Limited · Final report · Jul 10, 2024 · N4JZ · Substantial damage
  > The pilot reported that he was maneuvering around weather at 11,500 ft mean sea level (msl) when he made a rapid descent to 3,500 ft msl to remain clear of clouds. He reported that he did not exceed the airplane’s maneuvering speed during the descent, and…
- [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 CEN24LA249](https://openairdocs.org/ntsb/CEN24LA249.md): Rotorway 162 F · Maybee, MI · Accident · No injuries · Class 3 · Limited · Final report · Jul 4, 2024 · N426DM · Substantial damage
  > A partial loss of engine power for undetermined reasons.
- [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 ERA24LA267](https://openairdocs.org/ntsb/ERA24LA267.md): Garlick Helicopters OH-58A+ · Cisco, GA · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 18, 2024 · N72BM · Substantial damage
  > A reported total loss of engine power for reasons that could not be determined.
- [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 WPR24LA193](https://openairdocs.org/ntsb/WPR24LA193.md): Cessna A185F · Monument Hills, CA · Accident · No injuries · Class 3 · Limited · Final report · Jun 12, 2024 · N8WF · Substantial damage
  > A total loss of engine power for reasons that could not be determined.
- [NTSB ANC24LA045](https://openairdocs.org/ntsb/ANC24LA045.md): Cessna 206 · King Salmon, AK · Accident · No injuries · Class 3 · Limited · Final report · Jun 7, 2024 · N756CL · Substantial damage
  > A partial loss of engine power due to detonation/preignition of the No. 1 cylinder for reasons that could not be determined.
- [NTSB WPR24LA177](https://openairdocs.org/ntsb/WPR24LA177.md): Banes John Scott Kitfox Series 6 · Parowan, UT · Accident · No injuries · Class 3 · Limited · Final report · May 30, 2024 · N506F · Substantial damage
  > The pilot’s inability to control the airplane during landing due to tailwheel assembly damage sustained during a previous shimmy event that occurred for reasons that could not be determined based on the available evidence.
- [NTSB ERA24LA208](https://openairdocs.org/ntsb/ERA24LA208.md): Admore International Jets Aircam · DeLand, FL · Accident · Serious injuries · Class 3 · Limited · Final report · May 2, 2024 · N848HP · Substantial damage
  > The uncommanded movement of the left propeller into reverse during approach for undetermined reasons, resulting in an in-flight loss of control of the airplane at low altitude during approach.
- [NTSB ERA24LA213](https://openairdocs.org/ntsb/ERA24LA213.md): Piper J3C-65 · Apex, NC · Accident · Minor injuries · Class 4 · Limited · Final report · May 1, 2024 · N6872H · Substantial damage
  > The loss of directional control during the landing roll for reasons that could not be determined, due to impact damage sustained to the brake system.
- [NTSB ERA24LA169](https://openairdocs.org/ntsb/ERA24LA169.md): Snyder Robert L Challenger II · Hendersonville, NC · Accident · No injuries · Class 4 · Limited · Final report · Apr 7, 2024 · N381RS · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB ERA24LA166](https://openairdocs.org/ntsb/ERA24LA166.md): Robinson Helicopter R44 · Key Biscayne, FL · Accident · Serious injuries · Class 3 · Limited · Final report · Apr 6, 2024 · N234ZT · Substantial damage
  > A loss of engine power for reasons that could not be determined.
- [NTSB CEN24LA147](https://openairdocs.org/ntsb/CEN24LA147.md): Bellanca 7KCAB · Bluff Dale, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Apr 4, 2024 · N8946 · Destroyed
  > An engine compartment fire for reasons that could not be determined due to extensive thermal damage.
- [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 CEN24LA146](https://openairdocs.org/ntsb/CEN24LA146.md): Schweizer G-164B · Kaplan, LA · Accident · No injuries · Class 3 · Limited · Final report · Apr 2, 2024 · N75099 · Substantial damage
  > A partial loss of engine power for reasons that could not be determined.
- [NTSB ERA24LA214](https://openairdocs.org/ntsb/ERA24LA214.md): Beech 95B55 · St. Augustine, FL · Accident · No injuries · Class 3 · Limited · Final report · Apr 1, 2024 · N7371R · Substantial damage
  > The incomplete extension of the landing gear into the down-and-locked position for reasons that could not be determined..
- [NTSB CEN24LA119](https://openairdocs.org/ntsb/CEN24LA119.md): Zenith Stol CH750 · Sextonville, WI · Accident · Serious injuries · Class 3 · Limited · Final report · Feb 23, 2024 · N750WW · Substantial damage
  > A loss of engine power for reasons that could not be determined, followed by a loss of control and subsequent impact with terrain.

Next page: https://openairdocs.org/ntsb-findings/05000000/cases.md?status=final&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."completionStatus" = 'Completed'
  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?status=final

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