# 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 23 of 45 · 2,248 cases

## Cases, newest first

- [NTSB CEN15FA090](https://openairdocs.org/ntsb/CEN15FA090.md): Cessna 404 · Englewood, CO · Accident · 1 fatal · Field investigation · Final report · Dec 30, 2014 · N404MG · Substantial damage
  > The loss of power to the right engine for reasons that could not be determined during postaccident examination and teardown and the pilot’s failure to properly configure the airplane for single-engine flight.
- [NTSB ERA15LA091](https://openairdocs.org/ntsb/ERA15LA091.md): Cessna 172M · South Bimini, Bahamas · Accident · Minor injuries · Limited investigation · Final report · Dec 22, 2014 · N12182 · Substantial damage
  > The total loss of engine power for reasons that could not be determined because examination of the engine did not reveal any anomalies that would have precluded normal operation, which resulted in a subsequent ditching in the ocean.
- [NTSB CEN15LA089](https://openairdocs.org/ntsb/CEN15LA089.md): Cessna 310J · San Antonio, TX · Accident · No injuries · Limited investigation · Final report · Dec 18, 2014 · N700MA · Substantial damage
  > The retraction of the left main landing gear after landing for reasons that could not be determined during postaccident examinations.
- [NTSB WPR15LA058](https://openairdocs.org/ntsb/WPR15LA058.md): Mcholland Glastar · Sheridan, WY · Accident · No injuries · Limited investigation · Final report · Dec 10, 2014 · N16XP · Substantial damage
  > A loss of engine power while maneuvering at low altitude for reasons that could not be determined during postaccident examination.
- [NTSB CEN15LA084](https://openairdocs.org/ntsb/CEN15LA084.md): Enstrom 280FX · Fort Lupton, CO · Accident · Minor injuries · Limited investigation · Final report · Dec 8, 2014 · N409LH · Substantial damage
  > The loss of engine power during cruise flight for reasons that could not be determined based on the available information.
- [NTSB WPR15LA052](https://openairdocs.org/ntsb/WPR15LA052.md): Nanchang CJ-6 · Mesa, AZ · Accident · Minor injuries · Limited investigation · Final report · Dec 2, 2014 · N4350D · Substantial damage
  > The total loss of engine power during takeoff following a touch-and-go landing for reasons that could not be determined because postaccident examination of the engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB WPR15LA048](https://openairdocs.org/ntsb/WPR15LA048.md): Air Tractor AT 502B · Somerton, AZ · Accident · 1 fatal · Limited investigation · Final report · Nov 30, 2014 · N946TR · Destroyed
  > A loss of airplane control for reasons that could not be determined based on available evidence.
- [NTSB ERA15LA063](https://openairdocs.org/ntsb/ERA15LA063.md): Cessna 182 · Hartford, CT · Accident · No injuries · Limited investigation · Final report · Nov 29, 2014 · N759VG · Substantial damage
  > The partial loss of engine power during climb after takeoff for a reasons that could not be determined because postaccident engine examination revealed no evidence of mechanical malfunctions or failures.
- [NTSB ERA15LA058](https://openairdocs.org/ntsb/ERA15LA058.md): Cessna T210 · Tampa, FL · Accident · No injuries · Limited investigation · Final report · Nov 24, 2014 · N610KC · Substantial damage
  > The collapse of the left main landing gear for reasons that could not be determined during postaccident examination.
- [NTSB WPR15IA046](https://openairdocs.org/ntsb/WPR15IA046.md): Embraer EMB-505 · Palm Springs, CA · Incident · No injuries · Incident investigation · Final report · Nov 23, 2014 · C-GJOL · Minor damage
  > The failure of the gust lock actuator solenoid for reasons that could not be determined because postaccident examination of the rudder gust lock system revealed no mechanical malfunctions or failures that would have precluded normal operation.
- [NTSB WPR15FA045](https://openairdocs.org/ntsb/WPR15FA045.md): Piper PA 24-250 · Garberville, CA · Accident · 1 fatal · Field investigation · Final report · Nov 21, 2014 · N7428P · Substantial damage
  > A loss of engine power for reasons that could not be determined due to extensive damage sustained during the collision and postaccident water immersion.
- [NTSB WPR15LA042](https://openairdocs.org/ntsb/WPR15LA042.md): Cessna U206G · La Verne, CA · Accident · No injuries · Limited investigation · Final report · Nov 15, 2014 · N9420R · Substantial damage
  > The pilot's loss of directional control during the landing roll for reasons that could not be determined, because postaccident examination of the nosewheel assembly revealed no anomalies that would have precluded normal operation.
- [NTSB ANC15LA004](https://openairdocs.org/ntsb/ANC15LA004.md): Helio H 295 · Nenana, AK · Accident · No injuries · Limited investigation · Final report · Nov 15, 2014 · N6465V · Substantial damage
  > The partial loss of engine power for reasons that could not be determined because postaccident examination of the engine revealed no evidence of any preimpact mechanical anomalies.
- [NTSB ERA15LA051](https://openairdocs.org/ntsb/ERA15LA051.md): Bell Bill Kitfox 6 · Columbus, NC · Accident · No injuries · Limited investigation · Final report · Nov 13, 2014 · N524MB · Substantial damage
  > A loss of directional control during landing for reasons that could not be determined based on the available information.
- [NTSB CEN15FAMS1](https://openairdocs.org/ntsb/CEN15FAMS1.md): Cessna 172K · Lake Pontchartrain, LA · Accident · 2 fatal · Missing aircraft · Final report · Nov 13, 2014 · N46707 · Destroyed
  > The airplane's collision with water for reasons that could not be determined because the wreckage was not located.
- [NTSB CEN15IA046](https://openairdocs.org/ntsb/CEN15IA046.md): Bell 407 · Viosca Knoll 989 · Incident · No injuries · Incident investigation · Final report · Nov 11, 2014 · N373RL · No damage
  > Engine power surges during takeoff for reasons that could not be determined during postaccident testing of the engine and the engine control unit.
- [NTSB WPR15LA038](https://openairdocs.org/ntsb/WPR15LA038.md): Cessna 210B · Bullhead City, AZ · Accident · No injuries · Limited investigation · Final report · Nov 8, 2014 · N9578X · Substantial damage
  > The failure of the landing gear actuator housing during landing for reasons that could not be determined based on the available evidence.
- [NTSB WPR15LA034](https://openairdocs.org/ntsb/WPR15LA034.md): Extra Flugzeugproduktions-Und EA 300 · Las Vegas, NV · Accident · No injuries · Limited investigation · Final report · Nov 5, 2014 · N369XT · Substantial damage
  > A partial loss of engine power during cruise flight for reasons that could not be determined because postaccident examination of the engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB CEN15FA032](https://openairdocs.org/ntsb/CEN15FA032.md): Langston, Frederick L RV 4 · Boerne, TX · Accident · 1 fatal · Field investigation · Final report · Oct 28, 2014 · N70PM · Destroyed
  > A total loss of engine power for reasons that could not be determined, because post accident examination did not reveal any mechanical malfunctions or anomalies that would have precluded normal operation.
- [NTSB CEN15FA030](https://openairdocs.org/ntsb/CEN15FA030.md): Mooney M20 · Boulder, CO · Accident · 1 fatal · Field investigation · Final report · Oct 27, 2014 · N3539X · Substantial damage
  > The loss of airplane control for reasons that could not be determined by the postaccident examination, which was limited due to impact damage and postcrash fire.
- [NTSB WPR15LA022](https://openairdocs.org/ntsb/WPR15LA022.md): Cessna TU206G · Monument, OR · Accident · No injuries · Limited investigation · Final report · Oct 26, 2014 · N4776U · Substantial damage
  > The loss of braking action during the landing roll on a gravel runway for reasons that could not be determined based on the available information.
- [NTSB ERA15LA028](https://openairdocs.org/ntsb/ERA15LA028.md): Piper PA-28-140 · Valley Point, WV · Accident · Serious injuries · Limited investigation · Final report · Oct 26, 2014 · N5601U · Substantial damage
  > Undetermined based on a lack of available information.
- [NTSB ERA15LA029](https://openairdocs.org/ntsb/ERA15LA029.md): Piper PA 22-150 · Tompkins, NY · Accident · Minor injuries · Limited investigation · Final report · Oct 25, 2014 · N8064Y · Substantial damage
  > A total loss of engine power for reasons that could not be determined during postaccident examinations and testing.
- [NTSB CEN15LA038](https://openairdocs.org/ntsb/CEN15LA038.md): Stol UC 1 · Jacksonville, TX · Accident · Minor injuries · Limited investigation · Final report · Oct 25, 2014 · N950TB · Substantial damage
  > The loss of right engine power while climbing due to fuel starvation for reasons that could not be determined during postaccident airplane examination and testing, which led to a forced landing on hilly terrain.
- [NTSB WPR15FA021](https://openairdocs.org/ntsb/WPR15FA021.md): Slingsby T67M 260 · Ridgecrest, CA · Accident · 2 fatal · Field investigation · Final report · Oct 24, 2014 · N456FR · Substantial damage
  > The pilots' failure to recover from a spin for reasons that could not be determined based on available information. Contributing to the student's fatal injury was his delayed egress from the airplane below the specified egression altitude.
- [NTSB WPR15IA035](https://openairdocs.org/ntsb/WPR15IA035.md): North American P51 - D · Mesa, AZ · Incident · No injuries · Incident investigation · Final report · Oct 23, 2014 · N351BD · Minor damage
  > The failure of the left main landing gear to extend, which resulted in a gear-up landing. The reason for the left main landing gear’s failure to operate normally could not be determined because postincident examination of the landing gear system did not…
- [NTSB ERA15LA030](https://openairdocs.org/ntsb/ERA15LA030.md): North American T 6G · Naples, FL · Accident · No injuries · Limited investigation · Final report · Oct 23, 2014 · N22NA · Substantial damage
  > The total loss of engine power during the initial climb due to fuel starvation for reasons that could not be determined because postaccident examinations of the airframe and engine fuel system components revealed no evidence of a mechanical malfunction or…
- [NTSB CEN15LA023](https://openairdocs.org/ntsb/CEN15LA023.md): Tuberville Zodiac XL · Mountain Home, AR · Accident · Serious injuries · Limited investigation · Final report · Oct 21, 2014 · N601WR · Substantial damage
  > The partial loss of engine power during takeoff for reasons that could not be determined because postaccident engine examinations revealed no anomalies that would have precluded normal operation.
- [NTSB WPR15LA015](https://openairdocs.org/ntsb/WPR15LA015.md): Piper PA28 151 · Bullhead City, AZ · Accident · Minor injuries · Limited investigation · Final report · Oct 18, 2014 · N56873 · Substantial damage
  > A partial loss of engine power during the initial climb for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB CEN15TA019](https://openairdocs.org/ntsb/CEN15TA019.md): BAE Systems Hawk MK 67 · Oklahoma City, OK · Accident · No injuries · Final report · Oct 18, 2014 · N509XX · Substantial damage
  > The loss of directional control during the takeoff roll for reasons that could not be determined during postaccident examinations and testing.
- [NTSB WPR15LA014](https://openairdocs.org/ntsb/WPR15LA014.md): Cessna 172S · Big Bear, CA · Accident · Serious injuries · Limited investigation · Final report · Oct 16, 2014 · N612SP · Substantial damage
  > A partial loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB ERA15LA019](https://openairdocs.org/ntsb/ERA15LA019.md): Piper PA32 301FT · Winona, MS · Accident · No injuries · Limited investigation · Final report · Oct 16, 2014 · N106C · Substantial damage
  > A loss of directional control during takeoff for reasons that could not be determined because postaccident examination of the airplane revealed no anomalies.
- [NTSB ERA15FA017](https://openairdocs.org/ntsb/ERA15FA017.md): Aeronca 7EC · Cordele, GA · Accident · 1 fatal · Field investigation · Final report · Oct 16, 2014 · N946DR · Substantial damage
  > An in-flight loss of control for reasons that could not be determined based on the available evidence.
- [NTSB WPR15CA009](https://openairdocs.org/ntsb/WPR15CA009.md): American Legend AL3 · Mulino, OR · Accident · No injuries · Data collection · Final report · Oct 11, 2014 · N167J · Substantial damage
  > A loss of aircraft control during approach for landing for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.
- [NTSB ERA15FA003](https://openairdocs.org/ntsb/ERA15FA003.md): Miller Raymond A Sonex Waiex · Palm Coast, FL · Accident · 1 fatal · Field investigation · Final report · Oct 3, 2014 · N461MM · Substantial damage
  > A total loss of engine power during cruise flight for reasons that could not be determined due to the postaccident condition of the engine and its associated fuel and ignition systems.
- [NTSB ERA15LA001](https://openairdocs.org/ntsb/ERA15LA001.md): Air Command 582 · Monongahela, PA · Accident · 1 fatal · Limited investigation · Final report · Oct 1, 2014 · UNREG · Substantial damage
  > The amateur-built gyroplane’s collision with terrain for reasons that could not be determined based on the available information. Contributing to the accident was the pilot’s decision to conduct the flight without obtaining additional training.
- [NTSB ERA14LA465](https://openairdocs.org/ntsb/ERA14LA465.md): Britten-Norman BN-2A · Ceiba, PR · Accident · Minor injuries · Limited investigation · Final report · Sep 28, 2014 · N906GD · Substantial damage
  > The pilot’s loss of consciousness during taxi for reasons that could not be determined based on the available information.
- [NTSB ERA14LA451](https://openairdocs.org/ntsb/ERA14LA451.md): Grumman American Avn. AA-5A · Homosassa, FL · Accident · Minor injuries · Limited investigation · Final report · Sep 21, 2014 · N26676 · Substantial damage
  > A partial loss of engine power for reasons that could not be determined because engine examination did not reveal any anomalies that would have precluded normal operation.
- [NTSB ERA14LA448](https://openairdocs.org/ntsb/ERA14LA448.md): Cessna 172M · Leesburg, FL · Accident · No injuries · Limited investigation · Final report · Sep 19, 2014 · N13394 · Substantial damage
  > The flight instructor’s delayed remedial action and his subsequent loss of directional control during landing on a wet runway for reasons that could not be determined because postaccident examination of the airplane revealed no anomalies.
- [NTSB CEN14LA519](https://openairdocs.org/ntsb/CEN14LA519.md): Piper PA 36-285 · Woodburn, IN · Accident · No injuries · Limited investigation · Final report · Sep 19, 2014 · N9913P · Substantial damage
  > A loss of engine power during takeoff for reasons that could not be determined based on the available information.
- [NTSB CEN14LA504](https://openairdocs.org/ntsb/CEN14LA504.md): Saccio Thomas A Seawind 3000 · Bloomington, IN · Accident · 2 fatal · Limited investigation · Final report · Sep 18, 2014 · N516SW · Destroyed
  > An in-flight fire for reasons that could not be determined because the examination of the airplane did not reveal the source of the fire.
- [NTSB CEN14LA495](https://openairdocs.org/ntsb/CEN14LA495.md): Nolin Vans RV-10 · Houston, TX · Accident · No injuries · Limited investigation · Final report · Sep 9, 2014 · N104HN · Substantial damage
  > The total loss of engine power for reasons that could not be determined during postaccident examination.
- [NTSB ERA14FA428](https://openairdocs.org/ntsb/ERA14FA428.md): Cessna 172 · Selkirk, NY · Accident · 2 fatal · Field investigation · Final report · Sep 8, 2014 · N79438 · Substantial damage
  > A loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB WPR14TA370](https://openairdocs.org/ntsb/WPR14TA370.md): Eurocopter AS 350 B3 · Lincoln, CA · Accident · No injuries · Final report · Sep 5, 2014 · N217HP · Substantial damage
  > The failure of the engine to provide sufficient power when commanded by the pilot during the power recovery phase of a practice autorotation for reasons that could not be determined because postaccident examination revealed no mechanical malfunctions or…
- [NTSB CEN14FA468](https://openairdocs.org/ntsb/CEN14FA468.md): Schafer Rick W Foxtrot 4 · Abilene, TX · Accident · 2 fatal · Field investigation · Final report · Aug 31, 2014 · N729AR · Substantial damage
  > The pilot's decision to attempt a steep turn to return to the airport after reporting an emergency. The reason for the emergency could not be determined because postaccident examination of the airframe and engine did not reveal any mechanical anomalies that…
- [NTSB ERA14LA415](https://openairdocs.org/ntsb/ERA14LA415.md): Cirrus SR22 · Wallops Island, VA · Accident · 1 fatal · Limited investigation · Final report · Aug 30, 2014 · N930RH · Substantial damage
  > The pilot’s impairment and subsequent incapacitation for reasons that could not be determined because the pilot and airplane were not recovered.
- [NTSB WPR14LA353](https://openairdocs.org/ntsb/WPR14LA353.md): Robinson Helicopter R44 II · Pahrump, NV · Accident · Minor injuries · Limited investigation · Final report · Aug 24, 2014 · N4246Z · Substantial damage
  > A total loss of engine power during a practice autorotation for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB ERA14LA404](https://openairdocs.org/ntsb/ERA14LA404.md): Piper PA-28-180 · Gaithersburg, MD · Accident · Serious injuries · Limited investigation · Final report · Aug 23, 2014 · N9095J · Substantial damage
  > The loss of engine power due to fuel starvation for reasons that could not be determined during postaccident examination of the fuel supply and fuel vent systems.
- [NTSB ERA14LA402](https://openairdocs.org/ntsb/ERA14LA402.md): Thibault Michael L RV4 · Polk Township, PA · Accident · Minor injuries · Limited investigation · Final report · Aug 21, 2014 · N62632 · Substantial damage
  > A total loss of engine power due to fuel starvation for reasons that could not be determined because postaccident examination of the engine revealed no anomalies.
- [NTSB ERA14LA401](https://openairdocs.org/ntsb/ERA14LA401.md): Cessna 150G · Pittstown, NJ · Accident · No injuries · Limited investigation · Final report · Aug 21, 2014 · N2466J · Substantial damage
  > A total loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.

Next page: https://openairdocs.org/ntsb-findings/05000000/cases.md?page=24

## 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=23

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