# NTSB investigations: NONE, UT

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 WPR26LA079](https://openairdocs.org/ntsb/WPR26LA079.md): Kubicek Factory S R O BB26M · La Verkin, UT · Accident · No injuries · Class 4 · Limited · Final report · Jan 10, 2026 · N90MN · Substantial damage
  > The pilot’s failure to maintain clearance from powerlines after an aborted landing attempt.
- [NTSB WPR25FA232](https://openairdocs.org/ntsb/WPR25FA232.md): Schleicher ASW27-18 · Morgan, UT · Accident · 1 fatal · Class 3 · Field · Preliminary report · Aug 1, 2025 · N929JK · Destroyed
  > On August 1, 2025, about 1358 mountain daylight time, a Schleicher ASW27-18, N929JK, was involved in an accident near Morgan, Utah. The pilot was fatally injured. The glider was operated as a Title 14 Code of Federal Regulations Part 91 personal flight. A…
- [NTSB ANC24LA071](https://openairdocs.org/ntsb/ANC24LA071.md): Burkhart Grob Flugzeugbau G103 Twin Astir · Huntsville, UT · Accident · No injuries · Class 4 · Limited · Final report · Jul 29, 2024 · N8485W · Substantial damage
  > The pilot's failure to navigate in hazy conditions, which resulted in a forced landing in a field and a collision with a pole.
- [NTSB WPR24LA249](https://openairdocs.org/ntsb/WPR24LA249.md): Schempp-Hirth DISCUS-2B · Nephi, UT · Accident · No injuries · Class 4 · Limited · Final report · Jun 25, 2024 · N41RE · Substantial damage
  > The pilot’s failure to maintain airspeed during a wind encounter, which resulted in a hard landing.
- [NTSB WPR21LA290](https://openairdocs.org/ntsb/WPR21LA290.md): Burkhart Grob G 103 Twin II · Levan, UT · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 25, 2021 · N4446Y · Substantial damage
  > The glider’s encounter with atmospheric conditions where the lift was not sufficient to maintain flight which resulted in an off-airport landing and a collision with a fence.
- [NTSB GAA18CA377](https://openairdocs.org/ntsb/GAA18CA377.md): Jonker Sailplanes JS1-C · Panguitch, UT · Accident · No injuries · Data collection · Final report · Jun 24, 2018 · N963CG · Substantial damage
  > The pilot’s inability to maintain altitude and his delayed decision to deploy the powered-glider’s engine, which necessitated an off-airport landing.
- [NTSB GAA18CA314](https://openairdocs.org/ntsb/GAA18CA314.md): Schleicher ASW · Nephi, UT · Accident · No injuries · Data collection · Final report · May 30, 2018 · N428US · Substantial damage
  > The glider’s encounter with atmospheric conditions where the lift was not sufficient to maintain flight, which resulted in a hard off-airport landing.
- [NTSB GAA17CA262](https://openairdocs.org/ntsb/GAA17CA262.md): Balony Kubicek Spol Sro BB70Z · Park City, UT · Accident · No injuries · Data collection · Final report · Apr 22, 2017 · N245DK · Substantial damage
  > The pilot’s failure to see and avoid power lines during landing.
- [NTSB WPR15LA232](https://openairdocs.org/ntsb/WPR15LA232.md): Schleicher ASW 20B · Logan, UT · Accident · Serious injuries · Limited investigation · Final report · Aug 2, 2015 · N20YZ · Substantial damage
  > The pilot’s failure to maintain glider control when it encountered a strong downdraft while maneuvering near a ridgeline.
- [NTSB GAA15CA157](https://openairdocs.org/ntsb/GAA15CA157.md): Balloon Works FIREFLY8 - 24 · Provo, UT · Accident · Minor injuries · Data collection · Final report · Jul 2, 2015 · N7148P · 2 aircraft · Substantial damage
  > **This report was modified on 4/21/2016. Please see the public docket for this accident for more information.** The failure of the Balony balloon pilot to see and avoid the Balloon Works balloon during an ascent, which resulted in the basket of the Balony…
- [NTSB WPR14LA263](https://openairdocs.org/ntsb/WPR14LA263.md): Knell ASC Spirit · Lehi, UT · Accident · 1 fatal · Limited investigation · Final report · Jun 22, 2014 · N127JK · Substantial damage
  > The pilot’s exceedance of the glider’s critical angle of attack while maneuvering in a steep turn at low altitude, which resulted in an aerodynamic stall.
- [NTSB WPR14CA213](https://openairdocs.org/ntsb/WPR14CA213.md): Schleicher ASW 27 · Cedar Valley, UT · Accident · No injuries · Data collection · Final report · May 26, 2014 · N137ED · Substantial damage
  > The pilot's failure to maintain aircraft control during the takeoff roll, which resulted in inadvertent terrain contact by the wing.
- [NTSB WPR11CA435](https://openairdocs.org/ntsb/WPR11CA435.md): Aerostar International S-60A · Park City, UT · Accident · Serious injuries · Data collection · Final report · Sep 6, 2011 · N7154E · Substantial damage
  > The pilot’s failure to maintain control of the balloon during the landing on uneven ground.
- [NTSB WPR11CA486](https://openairdocs.org/ntsb/WPR11CA486.md): Schleicher ASW-27 · Brigham City, UT · Accident · No injuries · Data collection · Final report · Jul 19, 2011 · N797V · Substantial damage
  > The glider pilot did not take timely action to locate a safe outlanding area after entering an area where atmospheric lift was not sufficient to maintain soaring flight.
- [NTSB WPR10LA377](https://openairdocs.org/ntsb/WPR10LA377.md): Glaser Dirks DG300 · Morgan, UT · Accident · 1 fatal · Limited investigation · Final report · Jul 31, 2010 · N30AS · Substantial damage
  > The pilot's failure to maintain adequate airspeed while maneuvering, which resulted in a stall/spin and ground impact.
- [NTSB WPR10LA356](https://openairdocs.org/ntsb/WPR10LA356.md): Parker RS-15 Sailplane · Marysvale, UT · Accident · 1 fatal · Limited investigation · Final report · Jul 17, 2010 · N15LQ · Substantial damage
  > The glider's encounter with insufficient atmospheric lift to maintain soaring flight.
- [NTSB WPR10LA294](https://openairdocs.org/ntsb/WPR10LA294.md): Schleicher Alexander ASH 26 E · Parowan, UT · Accident · No injuries · Limited investigation · Final report · Jun 15, 2010 · N455S · 2 aircraft · Substantial damage
  > The pilot's failure to see and avoid the other glider climbing in the same thermal.
- [NTSB WPR09CA376](https://openairdocs.org/ntsb/WPR09CA376.md): Schweizer SGS 2-32 · Heber City, UT · Accident · No injuries · Data collection · Final report · Jul 29, 2009 · N682U · Substantial damage
  > The pilot's excessive speed as he turned off the runway.
- [NTSB SEA07LA250](https://openairdocs.org/ntsb/SEA07LA250.md): Schweizer SGS 2-33 · Morgan, UT · Accident · Serious injuries · Limited investigation · Final report · Aug 31, 2007 · N5731S · Substantial damage
  > The pilot's failure to maintain control of the glider while maneuvering on final approach to landing, which resulted in an collision with a tree. A factor was the wind gust.
- [NTSB DEN03LA128](https://openairdocs.org/ntsb/DEN03LA128.md): Grob G103 Twin Astir · Morgan, UT · Accident · 1 fatal · Limited investigation · Final report · Jul 14, 2003 · N27TA · Destroyed
  > the pilot's failure to maintain adequate airspeed which resulted in a stall/mush. Also causal was the pilot's inadequate in-flight planning/decision to fly low over a mountain ridge. Contributing factors included the wind shear, altitude/clearance, and the…
- [NTSB DEN02LA095](https://openairdocs.org/ntsb/DEN02LA095.md): Let Blanik L-13 · Lehi, UT · Accident · No injuries · Limited investigation · Final report · Jul 23, 2002 · N48038 · Destroyed
  > the pilot's inadequate in-flight planning resulting in the glider impacting terrain short of the runway, and the pilot's subsequent abrupt handling of the glider when it became airborne again, which resulted in a hard second landing. A contributing factor was…
- [NTSB DEN01LA143](https://openairdocs.org/ntsb/DEN01LA143.md): Blanik L-13 · Morgan, UT · Accident · No injuries · Limited investigation · Final report · Aug 11, 2001 · N310GM · Substantial damage
  > the pilot's inadvertent lowering of the flaps and her failure to extend the spoilers.
- [NTSB FTW98LA326](https://openairdocs.org/ntsb/FTW98LA326.md): Rolladen-Schneider LS 4A · Salina, UT · Accident · No injuries · Limited investigation · Final report · Jul 14, 1998 · N41MN · Substantial damage
  > The pilot's selection of unsuitable terrain to conduct a landing. Contributing was the loss of thermal lift and high vegetation.
- [NTSB SEA96LA147](https://openairdocs.org/ntsb/SEA96LA147.md): Schleicher ASW-19 · Salem, UT · Accident · Minor injuries · Limited investigation · Final report · Jul 5, 1996 · N19KH · Substantial damage
  > The pilot's failure to attain a proper touchdown point during an off-airport landing. Factors relating to the accident were: loss of thermal lift, high obstructions (transmission wires) near the edge of the field that the pilot chose to land, and a bale of…
- [NTSB SEA94LA078](https://openairdocs.org/ntsb/SEA94LA078.md): Schweizer 2-33A · Heber City, UT · Accident · No injuries · Limited investigation · Final report · Mar 8, 1994 · N5790S · Substantial damage
  > The flight instructor's delayed/inadequate remedial action. Factors include the student pilot's failure to maintain directional control, and unfavorable/variable, gusty winds during the takeoff roll.
- [NTSB SEA93LA017](https://openairdocs.org/ntsb/SEA93LA017.md): Raven AX-9 · Green River, UT · Accident · Serious injuries · Limited investigation · Final report · Nov 2, 1992 · N57139 · Substantial damage
  > The inadequate preflt planning/preparation by the pilot resulting in inflt encounter with weather and his failure to maintain proper rate of descent during an emergency forced landing. A factor relating to the accident was the turbulent weather conditions.
- [NTSB SEA93LA005](https://openairdocs.org/ntsb/SEA93LA005.md): Schweizer SSG 2-33A · Heber City, UT · Accident · No injuries · Limited investigation · Final report · Oct 1, 1992 · N2763H · Substantial damage
  > The proper alignment was not maintained by the pilot. A factor relating to the accident was the sign located beside the runway.
- [NTSB DEN90LA086](https://openairdocs.org/ntsb/DEN90LA086.md): Schweizer SGS 2-33A · Morgan, UT · Accident · No injuries · Limited investigation · Final report · Apr 4, 1990 · N2048T · Substantial damage
  > Separation of the tow rope and the pilot's failure to establish an appropriate descent rate as he returned to land. Contributing to the accident were the tailwind and the unsuitable terrain for landing beyond the runway end.
- [NTSB DEN87FA069](https://openairdocs.org/ntsb/DEN87FA069.md): Raven S-77A · Park City, UT · Accident · 1 fatal · Field investigation · Final report · Mar 21, 1987 · N40968 · Destroyed
  > While on a commercial pax sightseeing flt, the plt allowed a non-rated student plt to fly the balloon until it nearly collided with buildings. The plt took over the controls and applied maximum burner heating to avoid impact with the buildings, which resulted…
- [NTSB DEN86FA103](https://openairdocs.org/ntsb/DEN86FA103.md): I.C.A. Brasov IS-28B2 · Cedar City, UT · Accident · 2 fatal · Field investigation · Final report · Mar 24, 1986 · N32907 · Substantial damage
  > The plt and pax were returning from a LCL flt. Two fss specialists observed the glider on final approach to rwy 20. They stated that the acft completed two 360 degree turns with 90 degrees of bank. The glider was in the third 360 degree turn when the…
- [NTSB DEN84FTM04](https://openairdocs.org/ntsb/DEN84FTM04.md): Rolladen-Schneider LS3 · Brigham City, UT · Accident · 1 fatal · Final report · Sep 29, 1984 · N8JN · Substantial damage
  > The acft impacted on a mountain ridge during a 60 deg left bank. The plt had been in radio communication with another glider plt near his flt area. Just prior to the accident he radioed that he was going around a mountain point in search of a thermal. When no…
- [NTSB DEN81DTM19](https://openairdocs.org/ntsb/DEN81DTM19.md): Skypower GBN-41 · Delta, UT · Accident · No injuries · Closed · Apr 27, 1981 · N64SP · Substantial damage
- [NTSB DEN78FTM31](https://openairdocs.org/ntsb/DEN78FTM31.md): Schweizer SGS2 · Heber, UT · Accident · Minor injuries · Closed · Jul 29, 1978 · N65812 · Substantial damage
- [NTSB DEN70DVW19](https://openairdocs.org/ntsb/DEN70DVW19.md): Briegleb BG12B · Kanarraville, UT · Accident · No injuries · Closed · Jun 13, 1970 · N4931 · Substantial damage
- [NTSB DEN69D0027](https://openairdocs.org/ntsb/DEN69D0027.md): Schweizer 2-33 · Heber City, UT · Accident · No injuries · Closed · Jun 16, 1968 · N2459W · Substantial damage
- [NTSB DEN68F0013](https://openairdocs.org/ntsb/DEN68F0013.md): Schleicher K8 · Heber City, UT · Accident · No injuries · Closed · Jun 17, 1967 · N91274 · Substantial damage
- [NTSB DEN66F0015](https://openairdocs.org/ntsb/DEN66F0015.md): Grasshopper D-8 · Heber, UT · Accident · No injuries · Closed · Jun 12, 1965 · N5053K · Destroyed

## 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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('00000'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=00000&state=UT

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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.