# NTSB investigations, PA: 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.

## Latest cases

- [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 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 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 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 ERA22FA105](https://openairdocs.org/ntsb/ERA22FA105.md): Eurocopter Deutschland EC135 P2+ · Drexel Hill, PA · Accident · Serious injuries · Class 3 · Field · Final report · Jan 11, 2022 · N531LN · Substantial damage
  > An inflight attitude upset for undetermined reasons that resulted in a rotor system overspeed, a reduction of power from both engines, and a subsequent hard landing.
- [NTSB ERA22LA039](https://openairdocs.org/ntsb/ERA22LA039.md): Bell 47D1 · Zelienople, PA · Accident · No injuries · Class 3 · Limited · Final report · Oct 31, 2021 · N132BR · Substantial damage
  > A total loss of engine power for reasons that could not be determined.
- [NTSB ERA21LA277](https://openairdocs.org/ntsb/ERA21LA277.md): Vans RV7 · Pottstown, PA · Accident · No injuries · Class 3 · Limited · Final report · Jul 4, 2021 · N654C · Destroyed
  > A total loss of power for reasons that could not be determined based on the available information.
- [NTSB ERA20FA074](https://openairdocs.org/ntsb/ERA20FA074.md): Robinson R66 · Mechanicsburg, PA · Accident · 2 fatal · Class 3 · Field · Final report · Jan 10, 2020 · N450MC · Destroyed
  > A severe left roll excursion after the onset of pitch and roll oscillations, which were not arrested by the pilot for undetermined reasons. This resulted in main rotor blade contact with the airframe and a subsequent inflight breakup of the helicopter.
- [NTSB ERA20LA011](https://openairdocs.org/ntsb/ERA20LA011.md): Piper PA46 · Harrisburg, PA · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 4, 2019 · N4385K · Substantial damage
  > A total loss of engine power for reasons that could not be determined following a successful engine run.
- [NTSB ERA19FA275](https://openairdocs.org/ntsb/ERA19FA275.md): Vans RV 8 · Stroudsburg, PA · Accident · 2 fatal · Class 3 · Field · Final report · Sep 17, 2019 · N7TL · Destroyed
  > The pilot's failure to maintain control of the airplane for undetermined reasons.
- [NTSB GAA19CA514](https://openairdocs.org/ntsb/GAA19CA514.md): Hughes 269A · Shamokin, PA · Accident · No injuries · Data collection · Final report · Aug 25, 2019 · N653CH · Substantial damage
  > The pilot's improper landing flare during an autorotation, which resulted in a hard landing. Contributing to the accident was a loss of engine power for reasons that could not be determined because postaccident examination revealed no evidence of any…
- [NTSB ERA18LA243](https://openairdocs.org/ntsb/ERA18LA243.md): Piper PA12 · Cochranton, PA · Accident · No injuries · Class 3 · Limited · Final report · Sep 1, 2018 · N3415M · Substantial damage
  > A total loss of engine power for reasons that could not be determined based on the available information.
- [NTSB ERA17FA248](https://openairdocs.org/ntsb/ERA17FA248.md): Aircraft Mfg & Dvlpmt CH601XLi Slsa · Towanda, PA · Accident · 1 fatal · Field investigation · Final report · Jul 19, 2017 · N601PH · Destroyed
  > A partial loss of engine power for reasons that could not be determined based on the available information, and the pilot's exceedance of the airplane's critical angle of attack during an attempted return to the airport, which resulted in an aerodynamic stall…
- [NTSB ERA17LA194](https://openairdocs.org/ntsb/ERA17LA194.md): Avions Mudry Cie CAP 231 · Lebanon, PA · Accident · No injuries · Limited investigation · Final report · May 27, 2017 · N231X · Substantial damage
  > The partial separation of one counterweight and the subsequent seizure of the engine due to mechanical interference. Contributing to the partial separation of the counterweight was the overstress fracture of a retaining ring and the fatigue fracture of the…
- [NTSB ERA17LA185](https://openairdocs.org/ntsb/ERA17LA185.md): Cessna 182 · West Chester, PA · Accident · No injuries · Limited investigation · Final report · May 21, 2017 · N378ES · Substantial damage
  > An engine crankcase overpressurization and the subsequent loss of engine oil for reasons that could not be determined, which resulted in the failure of the No. 6 cylinder connecting rod due to a lack of lubrication.
- [NTSB ERA17LA098](https://openairdocs.org/ntsb/ERA17LA098.md): Cessna P210 · Pottsville, PA · Accident · Minor injuries · Limited investigation · Final report · Jan 30, 2017 · N4796P · Substantial damage
  > A total loss of engine power for reasons that could not be determined because postaccident examinations of the engine and airframe did not reveal any preimpact mechanical malfunctions or failures that would have precluded normal operation.
- [NTSB ERA17LA016](https://openairdocs.org/ntsb/ERA17LA016.md): Hatcher Roderick R CH701 · Albrightsville, PA · Accident · Serious injuries · Limited investigation · Final report · Oct 15, 2016 · N3701M · Substantial damage
  > A total loss of engine power during cruise flight for reasons that could not be determined because postaccident examination revealed no anomalies that would have precluded normal operation.
- [NTSB ERA16LA318](https://openairdocs.org/ntsb/ERA16LA318.md): Cessna P210 · Lancaster, PA · Accident · No injuries · Limited investigation · Final report · Sep 16, 2016 · N224MH · Substantial damage
  > A landing gear collapse during landing for reasons that could not be determined because postaccident examination and testing of the landing gear did not reveal any evidence of preimpact mechanical malfunctions or failures that would have precluded normal…
- [NTSB ERA16LA285](https://openairdocs.org/ntsb/ERA16LA285.md): Shaffer Donald Arion Lightning · Toughkenamon, PA · Accident · Minor injuries · Limited investigation · Final report · Aug 4, 2016 · N270J · Substantial damage
  > A total loss of engine power for reasons that could not be determined because examination of the engine did not reveal evidence of any preimpact mechanical malfunctions or failures that would have precluded normal operation.
- [NTSB ERA16LA167](https://openairdocs.org/ntsb/ERA16LA167.md): Bell 47D1 · Myerstown, PA · Accident · No injuries · Limited investigation · Final report · Apr 20, 2016 · N202CH · Substantial damage
  > A total loss of engine power for reasons that could not be determined because examination of the engine revealed no mechanical anomalies that would have precluded normal operation.
- [NTSB ERA16LA166](https://openairdocs.org/ntsb/ERA16LA166.md): Champion 7ECA · Tannersville, PA · Accident · No injuries · Limited investigation · Final report · Apr 19, 2016 · N5094X · Substantial damage
  > A loss of engine power for reasons that could not be determined based on the available evidence.
- [NTSB ERA16LA116](https://openairdocs.org/ntsb/ERA16LA116.md): Cessna 150L · Gettysburg, PA · Accident · No injuries · Limited investigation · Final report · Feb 27, 2016 · N976HB · Substantial damage
  > A partial loss of engine power during initial climb for undetermined reasons because examination of the engine and a successful test-run did not reveal any anomalies that would preclude normal operation.
- [NTSB ERA15LA279](https://openairdocs.org/ntsb/ERA15LA279.md): Kinner Sportster B · Eagles Mere, PA · Accident · No injuries · Limited investigation · Final report · Jul 23, 2015 · NC13776 · Substantial damage
  > The 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.
- [NTSB ERA15LA276](https://openairdocs.org/ntsb/ERA15LA276.md): Grumman American Avn. AA1B · Lititz, PA · Accident · No injuries · Limited investigation · Final report · Jul 19, 2015 · N8969L · Substantial damage
  > A partial loss of engine power for reasons that could not be determined because postaccident examination of the engine found no mechanical malfunctions or failures that would have precluded normal operation.
- [NTSB ERA15LA239](https://openairdocs.org/ntsb/ERA15LA239.md): Stinson 108 · Dushore, PA · Accident · Serious injuries · Limited investigation · Final report · Jun 14, 2015 · N97505 · Substantial damage
  > The total loss of engine power during the initial climb for reasons that could not be determined because postaccident examination of the engine revealed no anomalies that would have precluded normal operation.
- [NTSB ERA15LA177](https://openairdocs.org/ntsb/ERA15LA177.md): Mooney M20J · Allentown, PA · Accident · No injuries · Limited investigation · Final report · Apr 6, 2015 · N4826H · Substantial damage
  > A total loss of engine power during takeoff due to an interruption of fuel flow to the engine. The reason for the interruption of the fuel flow could not be determined during postaccident examination and testing.
- [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 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 ERA14LA358](https://openairdocs.org/ntsb/ERA14LA358.md): Winder Robert S VP1 · Grove City, PA · Accident · Serious injuries · Limited investigation · Final report · Jul 25, 2014 · N3831W · Substantial damage
  > A collision with terrain during the landing approach for reasons that could not be determined based on available information.
- [NTSB ERA14LA351](https://openairdocs.org/ntsb/ERA14LA351.md): Siler Ronald E Ultrastar · Halifax, PA · Accident · Serious injuries · Limited investigation · Final report · Jul 23, 2014 · N4425W · Substantial damage
  > A total loss of engine power for reasons that could not be determined because the engine was not recovered. Contributing to the accident was the pilot's failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle-of-attack during…
- [NTSB ERA12LA507](https://openairdocs.org/ntsb/ERA12LA507.md): Aeronca 7AC · Clifford, PA · Accident · No injuries · Limited investigation · Final report · Aug 6, 2012 · N83826 · Substantial damage
  > Partial loss of engine power for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.
- [NTSB ERA11FA299](https://openairdocs.org/ntsb/ERA11FA299.md): Piper PA-22-150 · Benezette, PA · Accident · 1 fatal · Field investigation · Final report · May 13, 2011 · N7603D · Substantial damage
  > The pilot's loss of airplane control for reasons that could not be determined from the available evidence.
- [NTSB ERA10LA210](https://openairdocs.org/ntsb/ERA10LA210.md): Beech 35-A33 · Pittsburgh, PA · Accident · No injuries · Limited investigation · Final report · Apr 5, 2010 · N156J · Substantial damage
  > A fire of undetermined origin behind the left instrument panel.
- [NTSB ERA10CA001](https://openairdocs.org/ntsb/ERA10CA001.md): Bell 47D1 · Dorrance, PA · Accident · No injuries · Data collection · Final report · Oct 2, 2009 · N74004 · Substantial damage
  > A total loss of engine power due to fuel exhaustion for undetermined reasons.
- [NTSB ERA09LA410](https://openairdocs.org/ntsb/ERA09LA410.md): Robinson R44 · Silver Spring, PA · Accident · No injuries · Limited investigation · Final report · Jul 19, 2009 · N25VH · Substantial damage
  > The student pilot's inability to fully control the helicopter, during cruise and the resultant off-field hard landing.
- [NTSB ERA09CA044](https://openairdocs.org/ntsb/ERA09CA044.md): Quicksilver II Mxlii · Knoxville, PA · Accident · Minor injuries · Data collection · Final report · Nov 7, 2008 · UNREG · Destroyed
  > The reason for this occurrence was undetermined.
- [NTSB NYC08FA242](https://openairdocs.org/ntsb/NYC08FA242.md): Beech V35B · Lancaster, PA · Accident · Minor injuries · Field investigation · Final report · Jul 8, 2008 · N9438Q · Substantial damage
  > A complete loss of engine power for undetermined reasons.
- [NTSB MIA08CA087](https://openairdocs.org/ntsb/MIA08CA087.md): American Grumman AA 1B · State College, PA · Accident · No injuries · Data collection · Final report · Apr 6, 2008 · N15FA · Substantial damage
  > A partial loss of engine power for an undetermined reason.

## 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."eventStateOrRegion" = 'PA' AND c."eventCountry" = 'USA'
  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?state=PA

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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.
