# 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 37 of 45 · 2,248 cases

## Cases, newest first

- [NTSB WPR10LA366](https://openairdocs.org/ntsb/WPR10LA366.md): Clark RV-9A · Oregon City, OR · Accident · 1 fatal · Limited investigation · Final report · Jul 23, 2010 · N70720 · Substantial damage
  > The pilot's decision to depart with known mechanical anomalies and the loss of engine power for undetermined reasons.
- [NTSB CEN10LA418](https://openairdocs.org/ntsb/CEN10LA418.md): Cessna A188B · Clyde, OH · Accident · Serious injuries · Limited investigation · Final report · Jul 19, 2010 · N5855G · Substantial damage
  > The pilot's failure to maintain clearance from a grain auger during aerial application maneuvers.
- [NTSB ERA10FA364](https://openairdocs.org/ntsb/ERA10FA364.md): S.C. Aerostar Yak52 · South Portland, ME · Accident · 2 fatal · Field investigation · Final report · Jul 17, 2010 · N52MY · Substantial damage
  > The pilot did not maintain adequate airspeed during an emergency return to the airport following a total loss of engine power, which resulted in an inadvertent stall. Contributing to the accident was a total loss of engine power for undetermined reasons and…
- [NTSB CEN10FA394](https://openairdocs.org/ntsb/CEN10FA394.md): Beech 58 · St. Ignace, MI · Accident · 4 fatal · Field investigation · Final report · Jul 13, 2010 · N3081N · Substantial damage
  > The pilot's failure to maintain aircraft control during takeoff for undetermined reasons.
- [NTSB CEN10LA399](https://openairdocs.org/ntsb/CEN10LA399.md): Beech V35A · Truth or Consequences, NM · Accident · No injuries · Limited investigation · Final report · Jul 11, 2010 · N9447S · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB WPR10LA343](https://openairdocs.org/ntsb/WPR10LA343.md): Ercoupe 415 · Whitehall, MT · Accident · No injuries · Limited investigation · Final report · Jul 9, 2010 · N87349 · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB CEN10LA404](https://openairdocs.org/ntsb/CEN10LA404.md): Rockwell International S-2R · Deshler, OH · Accident · No injuries · Limited investigation · Final report · Jul 9, 2010 · N4992X · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB WPR10LA336](https://openairdocs.org/ntsb/WPR10LA336.md): Johnson Helicycle · Arlington, WA · Accident · Minor injuries · Limited investigation · Final report · Jul 8, 2010 · N62AJ · Substantial damage
  > An undetermined airframe vibration which led to precautionary autorotation and hard landing.
- [NTSB ERA10LA349](https://openairdocs.org/ntsb/ERA10LA349.md): Beech F33A · Mooresville, NC · Accident · No injuries · Limited investigation · Final report · Jul 6, 2010 · N350NW · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB WPR10LA331](https://openairdocs.org/ntsb/WPR10LA331.md): Cessna 210 · Coeur d'Alene, ID · Accident · No injuries · Limited investigation · Final report · Jul 5, 2010 · N8133G · Substantial damage
  > The loss of engine power during cruise flight for undetermined reasons.
- [NTSB ERA10FA346](https://openairdocs.org/ntsb/ERA10FA346.md): Cessna 172P · Chesapeake, VA · Accident · 1 fatal · Field investigation · Final report · Jul 5, 2010 · N52614 · Substantial damage
  > The airplane's impact with terrain for undetermined reasons following the pilot's report of a flight control malfunction.
- [NTSB WPR10LA347](https://openairdocs.org/ntsb/WPR10LA347.md): Beech E-55 · Las Vegas, NV · Accident · No injuries · Limited investigation · Final report · Jul 3, 2010 · N3644A · Substantial damage
  > The landing gear collapse for undetermined reasons.
- [NTSB WPR10CA337](https://openairdocs.org/ntsb/WPR10CA337.md): Cessna 150M · Neola, UT · Accident · Minor injuries · Data collection · Final report · Jul 3, 2010 · N3143V · Substantial damage
  > A partial loss of engine power for undetermined reasons and the pilot's failure to maintain clearance from a power line.
- [NTSB CEN10CA359](https://openairdocs.org/ntsb/CEN10CA359.md): Piper PA28R · McGregor, TX · Accident · Minor injuries · Data collection · Final report · Jun 29, 2010 · N4627J · Substantial damage
  > A total loss of engine power for undetermined reasons. Contributing to the severity of injuries was the airplane's lack of shoulder harnesses.
- [NTSB WPR10LA317](https://openairdocs.org/ntsb/WPR10LA317.md): Worgull Hornet · Camp Verde, AZ · Accident · Serious injuries · Limited investigation · Final report · Jun 28, 2010 · N707BD · Substantial damage
  > The in-flight separation of the exhaust clamps for an undetermined reason, which resulted in the exhaust system striking the wooden propeller.
- [NTSB CEN10LA348](https://openairdocs.org/ntsb/CEN10LA348.md): Piper PA-36-285 · Fremont, NE · Accident · Serious injuries · Limited investigation · Final report · Jun 25, 2010 · N269JW · Substantial damage
  > The pilot’s loss of control for undetermined reasons.
- [NTSB CEN10CA362](https://openairdocs.org/ntsb/CEN10CA362.md): Hiller UH-12E · Grand Junction, CO · Accident · Minor injuries · Data collection · Final report · Jun 25, 2010 · N9754C · Substantial damage
  > The total loss of engine power for undetermined reasons.
- [NTSB WPR10LA308](https://openairdocs.org/ntsb/WPR10LA308.md): Hughes 369HS · Paicines, CA · Accident · No injuries · Limited investigation · Final report · Jun 22, 2010 · N8305F · Substantial damage
  > An in-flight fire for undetermined reasons.
- [NTSB CEN10CA330](https://openairdocs.org/ntsb/CEN10CA330.md): Taylorcraft DCO-65 · Akron, OH · Accident · No injuries · Data collection · Final report · Jun 20, 2010 · N61720 · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB WPR10LA298](https://openairdocs.org/ntsb/WPR10LA298.md): Robinson Helicopter R22 Beta · Hillsboro, OR · Accident · No injuries · Limited investigation · Final report · Jun 19, 2010 · N2548S · Substantial damage
  > A partial loss of engine power while on approach for undetermined reasons.
- [NTSB ERA10LA325](https://openairdocs.org/ntsb/ERA10LA325.md): Schleicher ASH26 · Shelbyville, TN · Accident · Minor injuries · Limited investigation · Final report · Jun 18, 2010 · N26EL · Substantial damage
  > A complete loss of electrical and engine power over unsuitable terrain due to a cannon plug that became disconnected for undetermined reasons.
- [NTSB CEN10FA322](https://openairdocs.org/ntsb/CEN10FA322.md): Piper PA-23 · Rochester, MN · Accident · 3 fatal · Field investigation · Final report · Jun 17, 2010 · N7SE · Substantial damage
  > The loss of engine power and the pilot's subsequent loss of control for undetermined reasons.
- [NTSB WPR10FA295](https://openairdocs.org/ntsb/WPR10FA295.md): Kaman Aerospace K-1200 · Donnelly, ID · Accident · 1 fatal · Field investigation · Final report · Jun 16, 2010 · N134WC · Substantial damage
  > The collision of two counter-rotating main rotor blades for undetermined reasons, which resulted in a loss of control.
- [NTSB ERA10LA314](https://openairdocs.org/ntsb/ERA10LA314.md): Aeronca 7AC · Sandersville, GA · Accident · Minor injuries · Limited investigation · Final report · Jun 16, 2010 · N84362 · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB ENG10IA038](https://openairdocs.org/ntsb/ENG10IA038.md): Boeing 767 · Athens, Greece · Incident · No injuries · Incident investigation · Final report · Jun 16, 2010 · N196DN · Minor damage
  > A short circuit involving the light in position L3 on the squib test panel. The specific cause of the short circuit could not be determined.
- [NTSB CEN10CA325](https://openairdocs.org/ntsb/CEN10CA325.md): Cessna 172 · Traverse City, MI · Accident · No injuries · Data collection · Final report · Jun 15, 2010 · N52519 · Substantial damage
  > Damage to the firewall for undetermined reasons.
- [NTSB CEN10IA314](https://openairdocs.org/ntsb/CEN10IA314.md): Bell 206L-3 · Gulf of Mexico · Incident · Minor injuries · Incident investigation · Final report · Jun 10, 2010 · N108PH · Minor damage
  > A suspected failure of the tail rotor for undetermined reasons. A contributing factor was the failure of the emergency floats to properly inflate due to improper installment and inspection by maintenance personnel.
- [NTSB CEN10CA313](https://openairdocs.org/ntsb/CEN10CA313.md): Luscombe 8F · Shell Knob, MO · Accident · No injuries · Data collection · Final report · Jun 10, 2010 · N9932C · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB WPR10LA280](https://openairdocs.org/ntsb/WPR10LA280.md): Beech F33 · Marana, AZ · Accident · No injuries · Limited investigation · Final report · Jun 5, 2010 · N1565A · Substantial damage
  > The loss of engine power while maneuvering to land for undetermined reasons.
- [NTSB CEN10LA298](https://openairdocs.org/ntsb/CEN10LA298.md): Air Tractor AT-502B · Pollard, AR · Accident · No injuries · Limited investigation · Final report · Jun 4, 2010 · N6083G · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB CEN10FA291](https://openairdocs.org/ntsb/CEN10FA291.md): Bell 222 · Midlothian, TX · Accident · 2 fatal · Field investigation · Final report · Jun 2, 2010 · N515MK · Substantial damage
  > The fracture of a swashplate drive pin as a result of hydrogen embrittlement due to an unknown source, which resulted in an in-flight breakup of the main rotor system during cruise flight.
- [NTSB CEN10LA287](https://openairdocs.org/ntsb/CEN10LA287.md): Piper PA-22-135 · Wellington, KS · Accident · Minor injuries · Limited investigation · Final report · Jun 1, 2010 · N1821P · Destroyed
  > A fire of undetermined cause that originated in the airplane's cabin.
- [NTSB WPR10LA274](https://openairdocs.org/ntsb/WPR10LA274.md): Smithwick/Treidel Tukan · Prairie, ID · Accident · Serious injuries · Limited investigation · Final report · May 30, 2010 · N7513W · Substantial damage
  > The pilot's loss of control of the weight-shift-controlled airplane during takeoff for undetermined reasons.
- [NTSB CEN10FA277](https://openairdocs.org/ntsb/CEN10FA277.md): Aveko Sro VL-3 LSA · Boyd, TX · Accident · Serious injuries · Field investigation · Final report · May 30, 2010 · N801GB · Substantial damage
  > ***This report was modified on November 15, 2012. Please see the docket for this accident to view the original report with revisions shown.*** The pilots’ failure to avoid and recover from the prohibited maneuver of aerodynamic spin during a training flight,…
- [NTSB CEN10LA295](https://openairdocs.org/ntsb/CEN10LA295.md): Pitts Aerobatics S-2B · Amarillo, TX · Accident · Minor injuries · Limited investigation · Final report · May 29, 2010 · N260PK · Destroyed
  > The fracture of the fuel pump housing for undetermined reasons.
- [NTSB CEN10LA276](https://openairdocs.org/ntsb/CEN10LA276.md): Covell Kevin Scott Vans RV-4 · Collinsville, OK · Accident · 2 fatal · Limited investigation · Final report · May 29, 2010 · N74RV · Substantial damage
  > A loss of engine power shortly after takeoff for undetermined reasons. Contributing to the accident was the pilot's decision to make a 180-degree turn at low level.
- [NTSB CEN10LA274](https://openairdocs.org/ntsb/CEN10LA274.md): Henney Michael A Vans RV-6A · Granbury, TX · Accident · 1 fatal · Limited investigation · Final report · May 28, 2010 · N226MH · Substantial damage
  > The loss of control for undetermined reasons.
- [NTSB WPR10LA258](https://openairdocs.org/ntsb/WPR10LA258.md): Rice GN-1 AIR Campier · Paulden, AZ · Accident · 1 fatal · Limited investigation · Final report · May 24, 2010 · N129JR · Substantial damage
  > The pilot's loss of airplane control for undetermined reasons while on final approach to land.
- [NTSB WPR10LA260](https://openairdocs.org/ntsb/WPR10LA260.md): Socata TBM · Lost Hills, CA · Accident · No injuries · Limited investigation · Final report · May 23, 2010 · N750AB · Substantial damage
  > A loss of engine power for reasons that could not be determined because postaccident examination of the engine did not reveal any anomalies that would have precluded normal operation. Contributing to the accident was the pilot's failure to obtain the proper…
- [NTSB WPR10IA256](https://openairdocs.org/ntsb/WPR10IA256.md): Bombardier CL-600-2B19 · Ontario, CA · Incident · No injuries · Incident investigation · Final report · May 23, 2010 · N925SW · Minor damage
  > Failure of the airplane’s nose landing gear to extend for undetermined reasons.
- [NTSB WPR10LA247](https://openairdocs.org/ntsb/WPR10LA247.md): Ayres S2R · Glenn, CA · Accident · No injuries · Limited investigation · Final report · May 18, 2010 · N29254 · Substantial damage
  > 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 CEN10CA258](https://openairdocs.org/ntsb/CEN10CA258.md): Calcote Clarence E Glasair RG · Lee's Summit, MO · Accident · No injuries · Data collection · Final report · May 18, 2010 · N236CC · Substantial damage
  > The failure of the landing gear to fully extend and lock in the down position for unknown reasons.
- [NTSB WPR10LA241](https://openairdocs.org/ntsb/WPR10LA241.md): Cessna 180 · Caldwell, ID · Accident · Minor injuries · Limited investigation · Final report · May 14, 2010 · N3142C · Substantial damage
  > A loss of directional control and runway excursion for undetermined reasons.
- [NTSB CEN10LA245](https://openairdocs.org/ntsb/CEN10LA245.md): Gross Cozy · Pine Bluff, AR · Accident · Minor injuries · Limited investigation · Final report · May 9, 2010 · N144TJ · Substantial damage
  > The inadvertent opening of the cockpit canopy during cruise flight for undetermined reasons, which allowed debris to impact and damage the pusher propeller with a resulting total loss of engine power.
- [NTSB ERA10LA256](https://openairdocs.org/ntsb/ERA10LA256.md): Swezey T/Molnar D Vans RV-10 · Ridgeland, SC · Accident · Serious injuries · Limited investigation · Final report · May 7, 2010 · N110TD · Destroyed
  > An explosion and fire of unknown origin during taxi from landing. Contributing to the accident was the builder's noncompliance with the manufacturer's suggested designed fuel system.
- [NTSB CEN10LA241](https://openairdocs.org/ntsb/CEN10LA241.md): Hager Clinton Ray Vans RV-8 · Prague, OK · Accident · Minor injuries · Limited investigation · Final report · May 6, 2010 · N127TT · Substantial damage
  > The in-flight separation of a propeller blade for undetermined reasons.
- [NTSB CEN10LA236](https://openairdocs.org/ntsb/CEN10LA236.md): Aero Commander S2R · DeWitt, AR · Accident · 1 fatal · Limited investigation · Final report · May 3, 2010 · N5531X · Substantial damage
  > The pilot did not maintain clearance from terrain for undetermined reasons.
- [NTSB WPR10LA235](https://openairdocs.org/ntsb/WPR10LA235.md): Beech 35 · South Bend, WA · Accident · No injuries · Limited investigation · Final report · May 2, 2010 · N3174V · Substantial damage
  > A loss of engine power during takeoff for undetermined reasons, which resulted in a runway overrun.
- [NTSB ERA10LA251](https://openairdocs.org/ntsb/ERA10LA251.md): Interstate S1A · Lakeland, FL · Accident · Serious injuries · Limited investigation · Final report · May 1, 2010 · N34926 · Substantial damage
  > The pilot’s failure to maintain clearance from terrain for undetermined reasons.
- [NTSB CEN10FA230](https://openairdocs.org/ntsb/CEN10FA230.md): Bellanca 17-30A · Friendswood, TX · Accident · 1 fatal · Field investigation · Final report · Apr 28, 2010 · N14787 · Substantial damage
  > The airplane's impact with terrain for undetermined reasons.

Next page: https://openairdocs.org/ntsb-findings/05000000/cases.md?page=38

## 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=37

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.