NTSB investigations, UT

37 cases where NTSB found Mountainous/hilly terrain.

Cases per year

20082026
NTSB investigations, UT per year, 2008–2026: 37 cases
20086
20093
20103
20111
20125
20142
20162
20173
20181
20193
20201
20212
20222
20232
20241

Latest cases

Query with SQL
duckdb -csv -c "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\", '03021010'))
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB WPR25LA006Accident · Minor injuriesClass 4 · LimitedFinal reportAgustawestland AW109SP · Kamas, UTThe pilot’s exceedance of the helicopter’s available power while landing in a confined area, which resulted in a loss of tail rotor effectiveness and a hard landing.Oct 8, 2024 · N631HC · Substantial damageNTSB WPR24FA035Accident · 2 fatalClass 3 · FieldFinal reportCessna 172G · Provo, UTThe pilot's exceedance of the airplane's critical angle of attack during a chandelle maneuver, which resulted in an aerodynamic stall and descent into trees and terrain. Contributing to the accident was the pilot’s decision to maneuver into a canyon and…Nov 14, 2023 · N3971L · Substantial damageNTSB WPR24FA024Accident · 1 fatalClass 3 · FieldFinal reportCessna T206H · Orangeville, UTThe pilot's controlled flight into mountainous terrain for reasons that could not be determined.Oct 27, 2023 · N915DV · Substantial damageNTSB WPR23LA052Accident · No injuriesClass 4 · LimitedFinal reportRutan Long-EZ · Mountain Green, UTThe pilot’s flight into a valley with rising terrain that the airplane was incapable of out-climbing.Nov 27, 2022 · N379W · Substantial damageNTSB WPR22FA164Accident · 4 fatalClass 3 · FieldFinal reportDiamond Aircraft Ind DA 40 · Cedar City, UTThe 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.Apr 24, 2022 · N321PF · DestroyedNTSB WPR21FA321Accident · 3 fatalClass 3 · FieldFinal reportCessna 182H · Bountiful, UTThe decision of both pilots to fly into a steep canyon, which resulted in the airplane being unable to maintain a sufficient altitude to clear rising terrain. Contributing to the accident was their delayed initial action in responding to the hazard, and their…Aug 16, 2021 · N8477S · DestroyedNTSB WPR21FA211Accident · 2 fatalClass 3 · FieldFinal reportTextron 172S · Eden, UTThe flight instructor’s improper aeronautical decision-making, which led to an encounter with a downdraft at a low altitude in mountainous terrain and resulted in the instructor’s loss of airplane control and an impact with terrain.May 29, 2021 · N1727T · DestroyedNTSB WPR20LA203Accident · 4 fatalClass 3 · LimitedFinal reportCessna 172 · Alpine, UTThe pilot’s exceedance of the airplane’s critical angle-of-attack while maneuvering in a canyon, which resulted in a loss of airplane control.Jul 3, 2020 · N6929H · DestroyedNTSB WPR19FA250Accident · 2 fatalClass 3 · FieldFinal reportCessna 210 · Henefer, UTThe pilots’ decision to enter a canyon at low altitude, which resulted in controlled flight into terrain while attempting to exit the canyon.Sep 4, 2019 · N94262 · Substantial damageNTSB WPR19FA183Accident · 2 fatalClass 3 · FieldFinal reportSchempp Hirth Arcus · Ephraim, UTThe pilot's decision to maneuver in close proximity to terrain while attempting to remain in an area of lift, which resulted in a collision with trees.Jul 1, 2019 · N215MM · DestroyedNTSB WPR19FA182Accident · 2 fatalClass 3 · FieldFinal reportCub Crafters CCK-1865 · Moab, UTThe pilots failure to maintain clearance from terrain while maneuvering at a low altitude in mountainous terrain.Jun 30, 2019 · N66DN · Substantial damageNTSB WPR18FA186Accident · 1 fatalClass 3 · FieldFinal reportCessna 320 · Eagle Mountain, UTThe pilot's exceedance of the airplane's critical angle of attack and the airplane experiencing an aerodynamic stall at too low an altitude to recover.Jun 28, 2018 · N320MF · DestroyedNTSB WPR17FA149Accident · 2 fatalField investigationFinal reportAviat A · Herriman, UTThe flight instructor's decision to conduct a low-altitude flight into a box canyon in high density altitude conditions and his failure to maintain airspeed while maneuvering to escape the canyon, which resulted in an exceedance of the airplane's critical…Jul 13, 2017 · N211AM · DestroyedNTSB WPR17FA065Accident · 3 fatalField investigationFinal reportCessna 172 · Panguitch, UTThe pilot's continued visual flight rules flight into instrument meteorological conditions, which resulted in controlled flight into terrain. Contributing to the accident were the pilot's inadequate preflight weather planning and his poor decision-making.Feb 26, 2017 · N3712F · Substantial damageNTSB GAA17CA117Accident · No injuriesData collectionFinal reportAir Tractor AT 802 · Vernon, UTThe pilot’s failure to maintain clearance from mountainous terrain.Jan 17, 2017 · N20361 · Substantial damageNTSB GAA16CA358Accident · No injuriesData collectionFinal reportCessna 172 · Bountiful, UTThe pilot's decision to fly into a canyon without sufficient room to reverse course if necessary, which resulted in an emergency landing, loss of directional control, collision with terrain, and a post-crash fire.Jul 1, 2016 · N52071 · Substantial damageNTSB WPR16LA114Accident · Serious injuriesLimited investigationFinal reportMichael Burton Calidus · Fruitland, UTThe pilot's improper judgment in conducting a flight in a gyroplane over mountainous terrain near its demonstrated maximum operating altitude and his subsequent failure to maintain adequate clearance with terrain during cruise flight in turbulent weather…May 20, 2016 · N50NE · Substantial damageNTSB WPR14FA252Accident · 1 fatalField investigationFinal reportCessna 175 · Moab, UTThe pilot’s decision to approach rising mountainous terrain at too low an altitude to clear it and his subsequent attempt to climb, which exceeded the airplane’s critical angle-of-attack and resulted in a stall/spin.Jun 18, 2014 · N7043M · DestroyedNTSB WPR14FA183Accident · 2 fatalField investigationFinal reportCessna 150 - F · Santa Clara, UTThe flight instructor’s failure to arrest the airplane’s descent and maintain clearance from mountainous terrain while maneuvering at a low altitude.May 7, 2014 · N8236F · Substantial damageNTSB WPR13FA061Accident · 3 fatalField investigationFinal reportPiper PA28 · Aurora, UTThe pilot's failure to maintain clearance with terrain while maneuvering in a remote mountainous region. Contributing to the accident was the pilot's improper decision to traverse the remote mountainous area in high-density altitude conditions with the…Nov 25, 2012 · N8314E · Substantial damageNTSB WPR12CA351Accident · Minor injuriesData collectionFinal reportRobinson R22 · Monticello, UTThe pilot's failure to maintain adequate main rotor rpm while maneuvering at a low altitude, which resulted in the helicopter settling and subsequently colliding with the ground. Contributing to the accident was that the pilot had insufficient altitude to…Aug 11, 2012 · N7135J · Substantial damageNTSB WPR12FA305Accident · 2 fatalField investigationFinal reportCirrus Design SR22 · Salina, UTThe noninstrument-rated pilot’s continued visual flight into instrument meteorological conditions, which resulted in spatial disorientation and a subsequent loss of airplane control.Jul 14, 2012 · N86AA · Substantial damageNTSB WPR12GA243Accident · 2 fatalFinal reportLockheed P2V-7 · Modena, UTThe flight crew's misjudgment of terrain clearance while maneuvering for an aerial application run, which resulted in controlled flight into terrain. Contributing to the accident was the flight crew's failure to follow the lead airplane's track and to…Jun 3, 2012 · N14447 · Substantial damageNTSB WPR12FA098Accident · 2 fatalField investigationFinal reportCessna 210 · Morgan, UTThe non-instrument-rated pilot’s poor planning and continued visual flight rules flight into instrument meteorological conditions and failure to maintain clearance from mountainous terrain.Feb 9, 2012 · N9619T · Substantial damageNTSB WPR11FA232Accident · Serious injuriesField investigationFinal reportCessna T207A · Monument Valley, UTThe pilot's decision to initiate a go-around after a bounced landing at an airport where go-arounds were not advised and his failure to maintain adequate airspeed during the go-around.May 23, 2011 · N803AN · Substantial damageNTSB WPR11CA041Accident · No injuriesData collectionFinal reportAviat A-1B · Heber City, UTThe pilot's failure to maintain clearance from the ground during low-level maneuvering in mountainous/hilly terrain.Nov 6, 2010 · N178WW · Substantial damageNTSB WPR10LA356Accident · 1 fatalLimited investigationFinal reportParker RS-15 Sailplane · Marysvale, UTThe glider's encounter with insufficient atmospheric lift to maintain soaring flight.Jul 17, 2010 · N15LQ · Substantial damageNTSB WPR10CA320Accident · No injuriesData collectionFinal reportCessna 175 · Huntsville, UTThe pilot's failure to maintain adequate clearance from terrain during climb.Jun 30, 2010 · N9247B · Substantial damageNTSB WPR09FA320Accident · 1 fatalField investigationFinal reportPiper PA-46-350P · St George, UTThe pilot's failure to maintain terrain clearance during descent for undetermined reasons.Jun 30, 2009 · N927GL · Substantial damageNTSB WPR09GA216Accident · 3 fatalFinal reportLockheed P2V-7 · Stockton, UTThe flight crew's failure to maintain terrain clearance during low altitude flight in low ceiling and visibility conditions. Contributing to the accident was the flight crew's failure to adequately monitor their location with respect to the rising terrain…Apr 25, 2009 · N442NA · Substantial damageNTSB WPR09CA105Accident · Minor injuriesData collectionFinal reportRobinson Helicopter R44 II · Bountiful, UTThe pilot's improper decision to fly at low altitude while maneuvering in mountainous terrain in a canyon and inadvertently exceeding the climb capability of the helicopter. Contributing to the accident were a high density altitude, mountainous terrain, and a…Feb 1, 2009 · N944U · Substantial damageNTSB WPR09LA048Accident · No injuriesLimited investigationFinal reportHughes 369HS · Fillmore, UTThe loss of engine power due to fuel starvation as a result of a loose fuel filter upper drain cap, which was not properly secured by maintenance personnel.Nov 25, 2008 · N9154F · Substantial damageNTSB WPR09LA043Accident · 1 fatalLimited investigationFinal reportCessna 170B · Hanna, UTThe flight's encounter with adverse tailwinds and downdrafts in mountainous terrain that exceeded the airplane's climb capability.Nov 21, 2008 · N8387N · Substantial damageNTSB LAX08CA297Accident · Minor injuriesData collectionFinal reportBellanca 7GCBC · American Fork, UTThe pilot's selection of an inadequate altitude to enter a box canyon, which resulted in an in-flight collision with terrain.Sep 21, 2008 · N11698 · Substantial damageNTSB LAX08MA277Accident · 10 fatalMajor investigationFinal reportBeech A100 · Moab, UTThe pilot’s failure to maintain terrain clearance during takeoff for undetermined reasons.Aug 22, 2008 · N601PC · Substantial damageNTSB LAX08CA138Accident · Serious injuriesData collectionFinal reportSchweizer 300C · Ogden, UTThe pilot under instruction's encounter with a settling with power condition, and the flight instructor's failure to maintain adequate rotor rpm during the subsequent go-around. Also causal was the instructor pilot's delayed remedial action during the…Jun 2, 2008 · N1510A · Substantial damageNTSB SEA08FA146Accident · 2 fatalField investigationFinal reportCessna 172R · Monticello, UTThe in-flight collision with mountainous terrain for undetermined reasons. *This report was modified on December 10, 2009.May 30, 2008 · N389ES · Substantial damage