# NTSB investigations: Lycoming I0360 series, 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 WPR26LA094](https://openairdocs.org/ntsb/WPR26LA094.md): Enstrom F28C · Leeds, UT · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Feb 2, 2026 · N5692Y · Substantial damage > On February 2, 2026, at about 1301 mountain standard time, an Enstrom F-28C helicopter, registration N5692Y, was substantially damaged near Leeds, Utah. The pilot and passenger sustained minor injuries. At the time of the accident, the helicopter was being… - [NTSB WPR25LA278](https://openairdocs.org/ntsb/WPR25LA278.md): Diamond Aircraft Ind DA 40 · Rocky Ridge, UT · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 12, 2025 · N8VT · Substantial damage > The flight instructor’s inadequate supervision and delayed remedial action during an unusual attitude recovery, which resulted in a descent into terrain. - [NTSB WPR25FA269](https://openairdocs.org/ntsb/WPR25FA269.md): Piper PA-28R-200 · Alta, UT · Accident · 1 fatal · Class 3 · Field · Preliminary report · Aug 31, 2025 · N1147X · Substantial damage > On August 31, 2025, about 1720, mountain daylight time a Piper PA28-200R, N1147X, was substantially damaged when it was involved in an accident near Alta, Utah. The pilot was seriously injured, and the passenger sustained fatal injuries. The airplane was… - [NTSB WPR25FA090](https://openairdocs.org/ntsb/WPR25FA090.md): Beech B24R · Skull Valley, UT · Accident · No injuries · Class 3 · Field · Final report · Feb 10, 2025 · N9324S · Substantial damage > The flight instructor’s improper fuel management, which resulted in fuel starvation and a total loss of engine power. Contributing to the accident were multiple distractions that diverted the flight instructor’s attention from the proper monitoring and… - [NTSB WPR22FA164](https://openairdocs.org/ntsb/WPR22FA164.md): Diamond Aircraft Ind DA 40 · Cedar City, UT · Accident · 4 fatal · Class 3 · Field · Final report · Apr 24, 2022 · N321PF · Destroyed > The pilot’s failure to maintain obstacle clearance, which resulted in controlled flight into terrain. Contributing to the accident was the pilot’s decision to operate the airplane above its maximum gross weight. - [NTSB WPR20LA024](https://openairdocs.org/ntsb/WPR20LA024.md): Piper PA28R · Ogden, UT · Accident · Serious injuries · Class 3 · Limited · Final report · Nov 17, 2019 · N3206R · Substantial damage > The flight instructor’s failure to raise the landing gear using the alternate system, which resulted in a reduced climb rate and impact with an obstacle. Contributing to the accident was the flight instructor’s lack of understanding of the backup landing gear… - [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 WPR17LA183](https://openairdocs.org/ntsb/WPR17LA183.md): Piper PA 28R-200 · West Jordan, UT · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 11, 2017 · N33732 · Substantial damage > The pilot's failure to account for operation at high density altitude at or near the airplane’s maximum gross weight, which led to degraded engine performance and prevented the airplane from achieving an adequate airspeed for a positive rate of climb,… - [NTSB GAA15LA131](https://openairdocs.org/ntsb/GAA15LA131.md): Robinson Helicopter R22 Beta · Escalante, UT · Accident · Serious injuries · Limited investigation · Final report · Jul 12, 2015 · N441MM · Substantial damage > The pilot’s inadequate preflight planning and his subsequent decision to attempt to climb over rising terrain with the helicopter over maximum gross weight while operating in high-density altitude conditions with a tailwind, which resulted in its inability to… - [NTSB GAA15CA158](https://openairdocs.org/ntsb/GAA15CA158.md): Cessna 337 · Blanding, UT · Accident · No injuries · Data collection · Final report · Jun 29, 2015 · N2181X · Substantial damage > The pilot's selection of a departure runway of inadequate length for the density altitude, resulting in the airplane not gaining sufficient lift, departing the runway, and impacting terrain. - [NTSB WPR12FA230](https://openairdocs.org/ntsb/WPR12FA230.md): Cessna 172S · St. George, UT · Accident · 4 fatal · Field investigation · Final report · May 26, 2012 · N953SP · Substantial damage > The pilot's failure to maintain adequate airspeed during an aggressive pitch-up maneuver, which resulted in a low-altitude aerodynamic stall shortly after takeoff. Contributing to the accident was the pilot's impairment from alcohol consumption and an… - [NTSB WPR11CA314](https://openairdocs.org/ntsb/WPR11CA314.md): Piper PA-28R-201 · Spanish Fork, UT · Accident · No injuries · Data collection · Final report · Jul 4, 2011 · N47869 · Substantial damage > The pilot's improper landing flare, inadequate recovery from a bounced landing and failure to maintain directional control. - [NTSB WPR11FA242](https://openairdocs.org/ntsb/WPR11FA242.md): Cessna 172R · Wendover, UT · Accident · 4 fatal · Field investigation · Final report · Jun 1, 2011 · N475ER · Substantial damage > The pilot did not maintain adequate airspeed during the downwind turn resulting in an aerodynamic stall, in-flight loss of control, and spin. Contributing to the accident was the pilot’s inadequate preflight planning and exceedance of the approved weight and… - [NTSB WPR11LA013](https://openairdocs.org/ntsb/WPR11LA013.md): Beech C24 · Blanding, UT · Accident · No injuries · Limited investigation · Final report · Oct 10, 2010 · N5063M · Substantial damage > The pilot’s failure to attain a climb gradient sufficient to clear the rising terrain, which resulted in his decision to make a forced landing on a road. - [NTSB WPR10CA266](https://openairdocs.org/ntsb/WPR10CA266.md): Piper PA-28R-200 · St. George, UT · Accident · No injuries · Data collection · Final report · May 26, 2010 · N40800 · Substantial damage > The pilot's inadequate compensation for the crosswind conditions and failure to maintain directional control during landing. - [NTSB WPR09LA417](https://openairdocs.org/ntsb/WPR09LA417.md): Piper PA28R · Wendover, UT · Accident · No injuries · Limited investigation · Final report · Aug 27, 2009 · N4837T · Substantial damage > The failure of the pilot to attain and maintain an airspeed sufficient for normal landing gear retraction during initial climb. Contributing to the accident was the pilot's failure to use the airplane's manual override landing gear system, misidentifying that… - [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. - [NTSB LAX08FA001](https://openairdocs.org/ntsb/LAX08FA001.md): Piper PA-28R-200 · Cedar City, UT · Accident · 2 fatal · Field investigation · Final report · Oct 27, 2007 · N3971X · Destroyed > The pilot's failure to maintain aircraft control while in cruise flight due to spatial disorientation. Contributing to the accident were the dark conditions. - [NTSB LAX07CA213](https://openairdocs.org/ntsb/LAX07CA213.md): Diamond DA40-G1000 · Strawberry Rese, UT · Accident · Minor injuries · Data collection · Final report · Jul 9, 2007 · N747PZ · Substantial damage > The pilot failed to maintain adequate terrain clearance. Contributing to the accident was the pilot's decision to turn into upsloping terrain at a low altitude. - [NTSB SEA06CA129](https://openairdocs.org/ntsb/SEA06CA129.md): Mooney M-20F · Summit, UT · Accident · Minor injuries · Data collection · Final report · Jun 25, 2006 · N2987L · Substantial damage > The pilot's failure to maintain clearance from the terrain during a climb. Encounter with a severe downdraft, and mountainous terrain were factors. - [NTSB DEN05CA145](https://openairdocs.org/ntsb/DEN05CA145.md): Cessna 172S · Cedar City, UT · Accident · No injuries · Data collection · Final report · Sep 20, 2005 · N172GW · Substantial damage > the student pilot's failure to maintain aircraft control during the landing. Factors contributing to the accident were the improper flare and improper recovery from a bounced landing. - [NTSB DEN04FA003](https://openairdocs.org/ntsb/DEN04FA003.md): Mooney M20J · Grantsville, UT · Accident · 2 fatal · Field investigation · Final report · Oct 4, 2003 · N201KM · Destroyed > the pilot's failure to maintain an adequate visual outlook during low level flight maneuvers that resulted in a collision with terrain. A contributing factor was the pilot's attention being diverted. - [NTSB DEN03FA038](https://openairdocs.org/ntsb/DEN03FA038.md): Piper PA-28R-200 · La Sal, UT · Accident · 4 fatal · Field investigation · Final report · Jan 24, 2003 · N106AW · Destroyed > the loss of engine power (total) due to fuel starvation, the pilot not following procedures/directives (fuel management procedures), and the pilot's inadequate preflight planning/preparation for the flight. Contributing factors were the pilot's inadequately… - [NTSB DEN03LA004](https://openairdocs.org/ntsb/DEN03LA004.md): Beech C24R · Newcastle, UT · Accident · No injuries · Limited investigation · Final report · Oct 9, 2002 · N18917 · Substantial damage > the pilot's failure to maintain clearance from the tree during takeoff. A factor was the reduced light conditions. - [NTSB DEN01LA114](https://openairdocs.org/ntsb/DEN01LA114.md): Piper PA-34-200 · Provo, UT · Accident · No injuries · Limited investigation · Final report · Jun 9, 2001 · N303RC · Substantial damage > inadvertent retraction of the landing gear by the pilot rated student during landing roll. A contributing factors was the failure of the instructor to adequately supervise the student. - [NTSB FTW98LA297](https://openairdocs.org/ntsb/FTW98LA297.md): Peebles/Lancair 360 LC-20 · Price, UT · Accident · No injuries · Limited investigation · Final report · Jul 12, 1998 · N360P · Substantial damage > The pilot's excessive descent rate on final approach and his delayed use of power to arrest the excessive descent rate. - [NTSB SEA94LA087](https://openairdocs.org/ntsb/SEA94LA087.md): Christen Industries A-1 · Dutch John, UT · Accident · No injuries · Limited investigation · Final report · Mar 19, 1994 · N2925Z · Substantial damage > The pilot's inadequate compensations for wind conditions. The gusty crosswind was a factor. - [NTSB SEA93FA025](https://openairdocs.org/ntsb/SEA93FA025.md): Piper PA-28R-200 · Cedar City, UT · Accident · 1 fatal · Field investigation · Final report · Nov 23, 1992 · N5108S · Destroyed > Clearance from mountainous terrain was not maintained. Factors to the accident were: dark night condition, snow showers, and intentional flight into known adverse weather. - [NTSB SEA91LA155](https://openairdocs.org/ntsb/SEA91LA155.md): Piper PA-28R · Milford, UT · Accident · Serious injuries · Limited investigation · Final report · Jul 4, 1991 · N816CB · Substantial damage > Fuel exhaustion, and the pilot's misjudgment of proper descent rate. Factors include inadequate preflight planning, poor in-flight decision, becoming lost/disoriented, and a fence. - [NTSB DEN88FA098](https://openairdocs.org/ntsb/DEN88FA098.md): Piper PA-28R-200 · Pintura, UT · Accident · 3 fatal · Field investigation · Final report · Apr 16, 1988 · N2738R · Substantial damage > The plt and two pax departed overton, NV destined for sundance, WY. Witnesses stated that the acft took off under an overcast and followed interstate 15 northbound. A witness driving on the interstate said that he saw N2738R at aprx 600 ft AGL over the… - [NTSB DEN87LA026](https://openairdocs.org/ntsb/DEN87LA026.md): Beech A23-24 · Vernal, UT · Accident · No injuries · Limited investigation · Final report · Nov 29, 1986 · N5996S · Substantial damage > The plt attempted to land on a dirt road near two oil rigs. He said he made several low passes to view the road surface. During the landing roll, the wheels of the acft dug into the soft surface. A loss of control occurred which resulted in the acft traveling… - [NTSB DEN82DA077](https://openairdocs.org/ntsb/DEN82DA077.md): Mooney M20E · Hanksville, UT · Accident · No injuries · Final report · May 1, 1982 · N6032Q · Substantial damage > The pilot stated that during the landing touchdown on runway 19, a gust of wind from about 270 degrees was encountered and the plane veered to the left. The pilot reported that he had applied corrective action, and the plane was tracking back to the runway,… - [NTSB DEN81FA054](https://openairdocs.org/ntsb/DEN81FA054.md): Piper PA-34 · Price, UT · Accident · 1 fatal · Closed · Jul 28, 1981 · N15817 · Destroyed - [NTSB DEN81DTM09](https://openairdocs.org/ntsb/DEN81DTM09.md): Hughes 269C · Moab, UT · Accident · No injuries · Closed · Feb 6, 1981 · N300DS · Substantial damage - [NTSB DEN81FTM11](https://openairdocs.org/ntsb/DEN81FTM11.md): Piper PA-28R · Ogden, UT · Accident · No injuries · Closed · Dec 24, 1980 · N29021 · Substantial damage - [NTSB DEN79FTM17](https://openairdocs.org/ntsb/DEN79FTM17.md): Mooney M20E · Hanksville, UT · Accident · Serious injuries · Closed · May 13, 1979 · N79869 · Substantial damage - [NTSB DEN77DTM11](https://openairdocs.org/ntsb/DEN77DTM11.md): Aero Comdr 112TC · Vernal, UT · Accident · No injuries · Closed · Feb 18, 1977 · N1866J · Substantial damage - [NTSB DEN76FTM49](https://openairdocs.org/ntsb/DEN76FTM49.md): Na Rockwell 112TC · Vernal, UT · Accident · No injuries · Closed · Sep 22, 1976 · N4564W · Substantial damage - [NTSB DEN74FTM02](https://openairdocs.org/ntsb/DEN74FTM02.md): Mooney M20C · Hurricane Mesa, UT · Accident · Serious injuries · Closed · Jul 22, 1973 · N9557M · Destroyed - [NTSB DEN70F0073](https://openairdocs.org/ntsb/DEN70F0073.md): Mooney M-20F · Salt Lake City, UT · Accident · No injuries · Closed · Aug 27, 1969 · N2972L · Substantial damage - [NTSB DEN65A0053](https://openairdocs.org/ntsb/DEN65A0053.md): Hughes 269B · Provo, UT · Accident · No injuries · Closed · Feb 4, 1965 · N9345F · Substantial damage ## 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 ('41515')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=41515&state=UT --- 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.