# NTSB investigations, UT: 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 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 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 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 WPR22LA064](https://openairdocs.org/ntsb/WPR22LA064.md): Beech A36 · Tooele, UT · Accident · No injuries · Class 3 · Limited · Final report · Nov 24, 2021 · N4370W · Substantial damage
  > The total loss of engine power for reasons that could not be determined based on available evidence.
- [NTSB WPR21LA086](https://openairdocs.org/ntsb/WPR21LA086.md): Hughes 269C · Spanish Fork, UT · Accident · No injuries · Class 3 · Limited · Final report · Jan 13, 2021 · N7480F · Substantial damage
  > The loss of engine power during a practice autorotation for an undetermined reason.
- [NTSB WPR21LA068](https://openairdocs.org/ntsb/WPR21LA068.md): Cirrus Design SR22 · Ogden, UT · Accident · Serious injuries · Class 3 · Limited · Final report · Dec 10, 2020 · N577CP · Substantial damage
  > The partial loss of engine power for reasons that cannot be determined due to lack of available evidence.
- [NTSB WPR21LA031](https://openairdocs.org/ntsb/WPR21LA031.md): Pearson Starduster · Cedar City, UT · Accident · No injuries · Class 4 · Limited · Final report · Oct 29, 2020 · N768P · Substantial damage
  > A loss of directional control for reasons that were not determined due to lack of available evidence.
- [NTSB WPR20LA258](https://openairdocs.org/ntsb/WPR20LA258.md): Cessna T210 · Hanna, UT · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 7, 2020 · N761RG · Substantial damage
  > The pilot’s failure to maintain sufficient airspeed after a partial loss of power for undetermined reasons, which resulted in an exceedance of the airplane’s critical angle of attack and an aerodynamic stall from which the pilot could not recover.
- [NTSB WPR20LA196](https://openairdocs.org/ntsb/WPR20LA196.md): Kostrazewa Andre Sonex Light Sport · Centerville, UT · Accident · 2 fatal · Class 3 · Limited · Final report · Jun 25, 2020 · N620AK · Destroyed
  > The pilot flying’s exceedance of the airplane’s critical angle of attack during an attempted forced landing, which resulted in an aerodynamic stall and impact with terrain. The reason for the attempted forced landing could not be determined.
- [NTSB WPR20LA032](https://openairdocs.org/ntsb/WPR20LA032.md): Beech 36 · Hurricane, UT · Accident · No injuries · Class 3 · Limited · Final report · Nov 4, 2019 · N936TC · Substantial damage
  > The pilot’s failure to ensure that the landing gear was in the fully extended and locked position before landing. Contributing to the accident was the overload of the landing gear circuit for reasons that could not be determined.
- [NTSB WPR19LA239](https://openairdocs.org/ntsb/WPR19LA239.md): Piper PA24 · Wendover, UT · Accident · No injuries · Class 3 · Limited · Final report · Aug 24, 2019 · N6696P · Substantial damage
  > Failure of the landing gear solenoid, which resulted in failure of the landing gear position switch, and the pilot's subsequent inability to extend the gear using the manual emergency extension system for undetermined reasons.
- [NTSB WPR19LA192](https://openairdocs.org/ntsb/WPR19LA192.md): Judd Challenger II · Draper, UT · Accident · No injuries · Class 3 · Limited · Final report · Jul 19, 2019 · N77YD · Substantial damage
  > The total loss of engine power for reasons that could not be determined based on available evidence.
- [NTSB WPR18LA177](https://openairdocs.org/ntsb/WPR18LA177.md): Schempp Hirth Flugzeugbau Arcus M · Richfield, UT · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 21, 2018 · N16DN · Destroyed
  > An inflight loss of control and subsequent inflight breakup for reasons that could not be determined based on the available information.
- [NTSB WPR18LA136](https://openairdocs.org/ntsb/WPR18LA136.md): Cessna 182F · Boulder, UT · Accident · Minor injuries · Class 3 · Limited · Final report · Apr 28, 2018 · N3377U · Substantial damage
  > A partial loss of engine power for reasons that could not be determined due to the available evidence.
- [NTSB WPR17LA202](https://openairdocs.org/ntsb/WPR17LA202.md): Beech A24R · Ogden, UT · Accident · Minor injuries · Limited investigation · Final report · Sep 12, 2017 · N9798L · Substantial damage
  > The airplane's inability to maintain an initial takeoff climb for reasons that could not be determined based on available information.
- [NTSB WPR17LA187](https://openairdocs.org/ntsb/WPR17LA187.md): Cessna 310I · Salt Lake City, UT · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 24, 2017 · N8170M · Substantial damage
  > A loss of engine power for reasons that could not be determined based on the available information.
- [NTSB WPR17FA166](https://openairdocs.org/ntsb/WPR17FA166.md): Beech A36TC · Ogden, UT · Accident · 4 fatal · Field investigation · Final report · Jul 26, 2017 · N60WB · Substantial damage
  > A loss of control during takeoff for reasons that could not be determined.
- [NTSB WPR16LA165](https://openairdocs.org/ntsb/WPR16LA165.md): Robinson Helicopter R44 II · Gunnison, UT · Accident · No injuries · Limited investigation · Final report · Aug 12, 2016 · N247DB · Substantial damage
  > A total loss of engine power for reasons that could not be determined based on the available evidence.
- [NTSB WPR16FA054](https://openairdocs.org/ntsb/WPR16FA054.md): Cessna 525 · Cedar Fort, UT · Accident · 2 fatal · Field investigation · Final report · Jan 18, 2016 · N711BX · Destroyed
  > The pilot's loss of control due to spatial disorientation while operating in instrument meteorological conditions, which resulted in an exceedance of the airplane's design stress limitations, and a subsequent in-flight breakup. Contributing to the accident…
- [NTSB WPR15LA203](https://openairdocs.org/ntsb/WPR15LA203.md): Beech C 99 · Salt Lake City, UT · Accident · No injuries · Limited investigation · Final report · Jun 30, 2015 · N6199D · Substantial damage
  > The airplane’s unmanageable right yaw during takeoff for reasons that could not be determined because postaccident examination of the rudder and rudder assembly did not reveal any anomalies that would have precluded normal operation.
- [NTSB WPR15LA170](https://openairdocs.org/ntsb/WPR15LA170.md): Duenas Pulsar III · Hurricane, UT · Accident · Serious injuries · Limited investigation · Final report · May 29, 2015 · N747N · Substantial damage
  > An elevated oil temperature and subsequent total loss of engine power for reasons that could not be determined based on the available information.
- [NTSB WPR14LA336](https://openairdocs.org/ntsb/WPR14LA336.md): Piper PA 32R-300 · West Jordan, UT · Accident · Serious injuries · Limited investigation · Final report · Aug 10, 2014 · N4646F · Destroyed
  > A partial loss of engine power during initial climb for reasons that could not be determined due to the severity of the damage to the engine.
- [NTSB WPR14LA185](https://openairdocs.org/ntsb/WPR14LA185.md): 177mf Pitts Model 12 · Bluffdale, UT · Accident · Minor injuries · Limited investigation · Final report · May 4, 2014 · N177MF · Substantial damage
  > A complete loss of engine power for reasons that could not be determined because of insufficient evidence.
- [NTSB WPR14GA176](https://openairdocs.org/ntsb/WPR14GA176.md): Hughes OH 6 · Bullfrog, UT · Accident · Serious injuries · Final report · Apr 29, 2014 · N37929 · Substantial damage
  > A loss of engine power while the helicopter was hovering for reasons that could not be determined because postaccident examination of the engine and rotor drive system revealed no evidence of a mechanical malfunction or failure that would have precluded…
- [NTSB WPR14LA036](https://openairdocs.org/ntsb/WPR14LA036.md): Cessna T210M · Scipio, UT · Accident · No injuries · Limited investigation · Final report · Oct 27, 2013 · N761BP · Substantial damage
  > A total loss of engine power during cruise flight for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.
- [NTSB WPR13FA399](https://openairdocs.org/ntsb/WPR13FA399.md): Tyler Ives SD-1 TG · Spanish Fork, UT · Accident · 1 fatal · Field investigation · Final report · Sep 6, 2013 · N123SD · Destroyed
  > The pilot’s failure to maintain airplane control while performing prohibited aerobatic maneuvers and the deployment and separation of the ballistic parachute system from the airframe for reasons that could not be determined due to the severity of impact…
- [NTSB WPR13LA109](https://openairdocs.org/ntsb/WPR13LA109.md): Piper PA-28-235 · Bountiful, UT · Accident · No injuries · Limited investigation · Final report · Feb 1, 2013 · N8554W · Substantial damage
  > A total loss of engine power during 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 WPR12LA190](https://openairdocs.org/ntsb/WPR12LA190.md): Cessna T210 · Elberta, UT · Accident · Serious injuries · Limited investigation · Final report · May 1, 2012 · N210LH · Substantial damage
  > A 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 WPR11LA180](https://openairdocs.org/ntsb/WPR11LA180.md): William Wright Avid Flyer · Cedar City, UT · Accident · Minor injuries · Limited investigation · Final report · Apr 1, 2011 · N613HH · Substantial damage
  > A loss of engine power during initial climb for reasons that could not be determined because postaccident examination did not reveal a specific anomaly that would have precluded normal operation.
- [NTSB WPR11LA143](https://openairdocs.org/ntsb/WPR11LA143.md): Mooney M20F · Nephi, UT · Accident · No injuries · Limited investigation · Final report · Feb 23, 2011 · N891X · Substantial damage
  > The failure of the nose gear during landing for reasons that could not be determined due to postaccident damage.
- [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 WPR10LA202](https://openairdocs.org/ntsb/WPR10LA202.md): Costruzioni AeronauticheTecnam P2002 Sierra · Tooele, UT · Accident · No injuries · Limited investigation · Final report · Apr 10, 2010 · N797TS · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB WPR10LA076](https://openairdocs.org/ntsb/WPR10LA076.md): Beech 35-33 · Lehi, UT · Accident · Serious injuries · Limited investigation · Final report · Dec 9, 2009 · N316Z · Substantial damage
  > The loss of engine power during cruise flight for undetermined reasons.
- [NTSB WPR10CA084](https://openairdocs.org/ntsb/WPR10CA084.md): Golden Circle Tierra I · Jensen, UT · Accident · No injuries · Data collection · Final report · Oct 24, 2009 · N440KC · Substantial damage
  > A loss of engine power, as reported by the pilot, for undetermined reasons.
- [NTSB WPR10LA021](https://openairdocs.org/ntsb/WPR10LA021.md): Aerotrike Naked Cobra · Virgin, UT · Accident · Serious injuries · Limited investigation · Final report · Oct 17, 2009 · N10LK · Substantial damage
  > A loss of engine power during cruise flight for undetermined reasons.
- [NTSB WPR09LA317](https://openairdocs.org/ntsb/WPR09LA317.md): Schempp-Hirth Ventus 2CM · Paragonah, UT · Accident · 1 fatal · Limited investigation · Final report · Jun 29, 2009 · N68MP · Substantial damage
  > The glider departed controlled flight for undetermined reasons.
- [NTSB WPR09LA268](https://openairdocs.org/ntsb/WPR09LA268.md): Maule M-5-210C · Ogden, UT · Accident · Serious injuries · Limited investigation · Final report · May 28, 2009 · N315X · Substantial damage
  > A loss of engine power during takeoff for undetermined reasons.
- [NTSB WPR09LA171](https://openairdocs.org/ntsb/WPR09LA171.md): Cessna 550 · Salt Lake City, UT · Accident · No injuries · Limited investigation · Final report · Mar 29, 2009 · N44FR · Substantial damage
  > The uncommanded retraction of the right main landing gear hydraulic actuator strut for undetermined reasons.
- [NTSB LAX08LA240](https://openairdocs.org/ntsb/LAX08LA240.md): Cessna 172M · Bountiful, UT · Accident · Minor injuries · Limited investigation · Final report · Jul 22, 2008 · N7672 · Substantial damage
  > A partial loss of engine power for undetermined reasons.
- [NTSB SEA08FA146](https://openairdocs.org/ntsb/SEA08FA146.md): Cessna 172R · Monticello, UT · Accident · 2 fatal · Field investigation · Final report · May 30, 2008 · N389ES · Substantial damage
  > The in-flight collision with mountainous terrain for undetermined reasons. *This report was modified on December 10, 2009.

## 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" = 'UT' 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=UT

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