# 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 2 of 45 · 2,248 cases

## Cases, newest first

- [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.
- [NTSB CEN24LA104](https://openairdocs.org/ntsb/CEN24LA104.md): Piper PA24 · Cherokee, OK · Accident · No injuries · Class 3 · Limited · Final report · Feb 2, 2024 · N4284 · Substantial damage
  > A partial loss of engine power for reasons that could not be determined. Contributing to the accident was the presence of ground fog, which hindered the landing approach and resulted in the pilot inadvertently landing long and impacting a fence during the…
- [NTSB WPR24LA082](https://openairdocs.org/ntsb/WPR24LA082.md): Piper PA-18A 150 · Eden, OR · Accident · Serious injuries · Class 3 · Limited · Final report · Jan 26, 2024 · N7473D · Substantial damage
  > An impact with terrain for undetermined reasons.
- [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 ERA24LA082](https://openairdocs.org/ntsb/ERA24LA082.md): Mooney M20K · Tullahoma, TN · Accident · No injuries · Class 3 · Limited · Final report · Jan 3, 2024 · N231GG · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB ERA24LA080](https://openairdocs.org/ntsb/ERA24LA080.md): Piper PA-28R-201 · Wiggins, SC · Accident · Serious injuries · Class 3 · Limited · Final report · Jan 2, 2024 · N125MT · Substantial damage
  > A total loss of engine power for reasons that could not be determined.
- [NTSB CEN24LA075](https://openairdocs.org/ntsb/CEN24LA075.md): Beech C23 · Mansfield, LA · Accident · No injuries · Class 4 · Limited · Final report · Jan 1, 2024 · N9729L · Destroyed
  > The nose landing gear collapse and postimpact fire due to undetermined reasons.
- [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 ERA24LA045](https://openairdocs.org/ntsb/ERA24LA045.md): Bell 407 · Chesterfield, VA · Accident · No injuries · Class 4 · Limited · Final report · Nov 16, 2023 · N26VA · Substantial damage
  > A hard landing, which resulted in a main rotor strike of the left vertical stablizer.
- [NTSB ERA24LA041](https://openairdocs.org/ntsb/ERA24LA041.md): Cessna 421 · Lake City, FL · Accident · No injuries · Class 3 · Limited · Final report · Nov 11, 2023 · N977SM · Substantial damage
  > A landing gear collapse following an aborted takeoff due to degraded climb performance for reasons that could not be determined.
- [NTSB WPR24LA030](https://openairdocs.org/ntsb/WPR24LA030.md): Arrow Falcon Exporters UH-1H · Firebaugh, CA · Accident · No injuries · Class 3 · Limited · Final report · Nov 4, 2023 · N3053Q · Substantial damage
  > An on-ground fuel fire for reasons that could not be determined due to extensive thermal damage.
- [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 CEN24LA027](https://openairdocs.org/ntsb/CEN24LA027.md): Robinson Helicopter R44 · Rowlett, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 26, 2023 · N141CD · Substantial damage
  > A malfunction of the helicopter’s Engine Monitoring Unit (EMU)/Governor Controller for undetermined reasons. Contributing to the accident was the flight instructor’s failure to turn off the EMU/Governor Controller per the emergency checklist when the…
- [NTSB ERA24LA011](https://openairdocs.org/ntsb/ERA24LA011.md): Tecnam P2010 · Ocala, FL · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 17, 2023 · N118T · Substantial damage
  > A total loss of engine power for reasons that could not be determined. Contributing to the accident was the flight instructor’s failure to maintain adequate airspeed and exceedance of the airplane’s critical angle of attack during the forced landing, which…
- [NTSB ERA24LA013](https://openairdocs.org/ntsb/ERA24LA013.md): Costruzioni Aeronautiche Tecna P2010 · Chesterfield, VA · Accident · Class 4 · Limited · Final report · Oct 5, 2023 · N143TU · Substantial damage
  > A hard landing that resulted in substantial damage to the airplane’s right wing.
- [NTSB WPR23LA343](https://openairdocs.org/ntsb/WPR23LA343.md): Boeing A75N1(PT17) · Monticello, UT · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 13, 2023 · N10KP · Substantial damage
  > A partial loss of engine power for reasons that could not be determined.
- [NTSB CEN23LA414](https://openairdocs.org/ntsb/CEN23LA414.md): Buckeye Dream Machine · Fortuna, MO · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 11, 2023 · UNREG · Substantial damage
  > The non-certificated pilot’s failure to maintain the unregistered powered parachute’s clearance from power lines.
- [NTSB ERA23LA365](https://openairdocs.org/ntsb/ERA23LA365.md): Sheehan Kevin A Vans RV-8 · Umatilla, FL · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 5, 2023 · N772KS · Substantial damage
  > A total loss of engine power for reasons that could not be determined.
- [NTSB ERA23LA363](https://openairdocs.org/ntsb/ERA23LA363.md): Beech A36 · Frankfort, KY · Accident · No injuries · Class 3 · Limited · Final report · Sep 4, 2023 · N1WN · Substantial damage
  > A total loss of engine power for reasons that could not be determined.
- [NTSB CEN23LA399](https://openairdocs.org/ntsb/CEN23LA399.md): Beech 35-B33 · Ava, MO · Accident · No injuries · Class 3 · Limited · Final report · Sep 1, 2023 · N9522Y · Substantial damage
  > A loss of engine oil due for undetermined reasons, which resulted in failed connecting rods and total loss of engine power.
- [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 ERA23LA349](https://openairdocs.org/ntsb/ERA23LA349.md): Cessna A185F · Leonardtown, MD · Accident · No injuries · Class 3 · Limited · Final report · Aug 24, 2023 · N955LS · Substantial damage
  > A loss of engine power during an approach to landing for undetermined reasons.
- [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 CEN23LA403](https://openairdocs.org/ntsb/CEN23LA403.md): Israel Aircraft Industries 1125 Westwind Astra · Wheeling, IL · Accident · No injuries · Class 3 · Limited · Final report · Aug 21, 2023 · N39TT · Substantial damage
  > A loss of braking effectiveness during landing for reasons that could not be determined, which resulted in a runway excursion.
- [NTSB ERA23LA354](https://openairdocs.org/ntsb/ERA23LA354.md): Piper PA-32-300 · Fishers Island, NY · Accident · No injuries · Class 3 · Limited · Final report · Aug 18, 2023 · N405WB · Substantial damage
  > The loss of engine power for reasons that could not be determined. Contributing was the pilot’s misjudgment of airspeed and altitude during the forced landing.
- [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 ERA23LA359](https://openairdocs.org/ntsb/ERA23LA359.md): Aero Commander 500 S · Key West, FL · Accident · No injuries · Class 4 · Limited · Final report · Aug 13, 2023 · N62WE · Substantial damage
  > A total loss of engine power 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 CEN23LA351](https://openairdocs.org/ntsb/CEN23LA351.md): Taylorcraft F21 · Holliday, TX · Accident · No injuries · Class 3 · Limited · Final report · Aug 7, 2023 · N2005J · Substantial damage
  > A loss of engine power for reasons that could not be determined, which resulted in impact with terrain.

Next page: https://openairdocs.org/ntsb-findings/05000000/cases.md?page=3

## 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=2

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