# NTSB investigations: Amateur-built UNKNOWN ENG, 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 WPR22LA366](https://openairdocs.org/ntsb/WPR22LA366.md): Arter Warren Carbon CUB CCK-1865 · Willard, UT · Accident · No injuries · Class 4 · Limited · Final report · Sep 29, 2022 · N177CB · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll.
- [NTSB WPR22FA227](https://openairdocs.org/ntsb/WPR22FA227.md): Cessna 152 · Mendon, UT · Accident · 2 fatal · Class 3 · Field · Final report · Jun 24, 2022 · N934JH · Substantial damage
  > The flight instructor’s failure to recover from a developed spin, which resulted in impact with terrain. Contributing to the accident was the flight instructor’s decision to enter the maneuver below the operator’s altitude limitation.
- [NTSB WPR22LA128](https://openairdocs.org/ntsb/WPR22LA128.md): Newell Michael J Lancair ES · Hurricane, UT · Accident · No injuries · Class 4 · Limited · Final report · Mar 19, 2022 · N4949B · Substantial damage
  > Loss of brake pressure on the left brake due to air in the brake line which, resulted in a runway over run and collision with a ditch.
- [NTSB WPR21LA356](https://openairdocs.org/ntsb/WPR21LA356.md): Kitfox S7 · Hooper, UT · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 23, 2021 · N696CP · Substantial damage
  > The pilot’s excessive brake pressure which resulted in the airplane nosing over and coming to rest inverted.
- [NTSB WPR21LA178](https://openairdocs.org/ntsb/WPR21LA178.md): Diamond Aircraft Ind DA 42 · Brigham City, UT · Accident · No injuries · Class 4 · Limited · Final report · Apr 27, 2021 · N350TS · Substantial damage
  > The student pilot's unintentional selection of raising the landing gear instead of the flaps during a touch-and-go landing, and the flight instructor's delayed remedial action, which resulted in the landing gear retracting during the landing roll.
- [NTSB WPR21LA155](https://openairdocs.org/ntsb/WPR21LA155.md): Aerostar International RX 8 · St. George, UT · Accident · Serious injuries · Class 4 · Limited · Final report · Nov 29, 2020 · N9051Y · No damage
  > The pilot’s failure to maintain control of the balloon and a member of the ground crews entanglement with a tether rope, which resulted in a serious injury when they fell to the ground after the balloon unexpectedly ascended.
- [NTSB WPR20CA142](https://openairdocs.org/ntsb/WPR20CA142.md): N126c CCX-2000 · Heber City, UT · Accident · No injuries · Class 4 · Data collection · Final report · May 8, 2020 · N363EX · Substantial damage
  > The front seat pilot's failure to maintain directional control during the landing roll, and the rear seat pilot's delayed remedial control inputs that subsequently resulted in a ground loop. Contributing to the accident was a lack of communication by both…
- [NTSB GAA17CA073](https://openairdocs.org/ntsb/GAA17CA073.md): Carter Richard L Buddy Baby Lakes · Hurricane, UT · Accident · No injuries · Data collection · Final report · Nov 10, 2016 · N1028Q · Substantial damage
  > The pilot's failure to maintain directional control during takeoff, which resulted in a runway excursion.
- [NTSB WPR16LA129](https://openairdocs.org/ntsb/WPR16LA129.md): Burkes BR-1 · Brigham City, UT · Accident · No injuries · Class 3 · Limited · Final report · Jun 22, 2016 · N677DB · Substantial damage
  > A loss of engine power as a result of a failure of the primary and backup ignition system.
- [NTSB WPR16FA036](https://openairdocs.org/ntsb/WPR16FA036.md): Barnett Allen S RV7 · Hurricane, UT · Accident · 2 fatal · Class 3 · Field · Final report · Dec 10, 2015 · N307AB · Substantial damage
  > The pilot’s aerobatic maneuver leading to airspeeds above the airplane’s never exceed speed, which resulted in rudder flutter and an in-flight breakup.
- [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 WPR14LA133](https://openairdocs.org/ntsb/WPR14LA133.md): Peter W Stevens Bearhawk Patrol · Salt Lake City, UT · Accident · No injuries · Limited investigation · Final report · Mar 8, 2014 · N123WW · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll.
- [NTSB WPR13LA147](https://openairdocs.org/ntsb/WPR13LA147.md): Franklin Glasair II · Spanish Fork, UT · Accident · Minor injuries · Limited investigation · Final report · Mar 12, 2013 · N61RA · Substantial damage
  > A loss of engine power due to fuel starvation, which likely resulted from air being introduced into the fuel system through the worn shaft of an electric fuel boost pump.
- [NTSB WPR12LA205](https://openairdocs.org/ntsb/WPR12LA205.md): Infinity 2000 · Hurricane, UT · Accident · Serious injuries · Limited investigation · Final report · May 11, 2012 · N541KP · Substantial damage
  > The pilot's decision to fly at a low altitude in a canyon, which resulted in insufficient altitude to recover from an encounter with terrain-induced turbulence.
- [NTSB WPR11CA206](https://openairdocs.org/ntsb/WPR11CA206.md): Tew William P Team Rocket F1 · Heber, UT · Accident · No injuries · Data collection · Final report · Apr 23, 2011 · N5491W · Substantial damage
  > The pilot's failure to maintain directional control during landing.
- [NTSB WPR11FA147](https://openairdocs.org/ntsb/WPR11FA147.md): Neefjes Lancair 360 MK-II · Milford, UT · Accident · 1 fatal · Field investigation · Final report · Feb 27, 2011 · N989TT · Substantial damage
  > The pilot's loss of control of the airplane due to spatial disorientation after inadvertently entering instrument meteorological conditions. Contributing to the accident were the pilot's inadequate preflight preparation, his en route decision-making, and his…
- [NTSB WPR10LA310](https://openairdocs.org/ntsb/WPR10LA310.md): Rice KR-2 · Richfield, UT · Accident · Serious injuries · Limited investigation · Final report · Jun 23, 2010 · N44729 · Substantial damage
  > A loss of engine power during initial climb due to a carburetor malfunction.
- [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 WPR09LA269](https://openairdocs.org/ntsb/WPR09LA269.md): Storch Aviation Australia PTY SS-MK4 · Boulder, UT · Accident · 2 fatal · Limited investigation · Final report · May 29, 2009 · N2898J · Substantial damage
  > The pilot's failure to maintain clearance from power lines during low altitude maneuvering.
- [NTSB SEA08LA007](https://openairdocs.org/ntsb/SEA08LA007.md): Haring Clay RV8A · Brigham City, UT · Accident · Minor injuries · Limited investigation · Final report · Oct 10, 2007 · N202HW · Substantial damage
  > Fuel exhaustion due to the pilot's inaccurate fuel consumption calculations. Factors include an inaccurate fuel quantity measuring system, and soft terrain encountered during the landing roll.
- [NTSB SEA07CA167](https://openairdocs.org/ntsb/SEA07CA167.md): Rallison Rotorway 162F · Logan, UT · Accident · No injuries · Data collection · Final report · Jun 18, 2007 · N203XR · Substantial damage
  > The total loss of engine power due to the pilot inadvertently deactivating the rotor drive clutch assembly. A contributing factor was the downhill terrain condition where he landed, which exceeded the slope limitations of the helicopter.
- [NTSB LAX07LA184](https://openairdocs.org/ntsb/LAX07LA184.md): Brook Lancair IV-P · Parowan, UT · Accident · No injuries · Limited investigation · Final report · Jun 2, 2007 · N401PT · Substantial damage
  > A loss of engine power due to engine inlet icing. Contributing to the accident was the lack of engine inlet anti-icing capability.
- [NTSB SEA07CA083](https://openairdocs.org/ntsb/SEA07CA083.md): Duffy/Wagner Vans RV-4 · Ogden, UT · Accident · No injuries · Data collection · Final report · Mar 24, 2007 · N423DW · Substantial damage
  > The pilot's inadequate fuel management resulting in a loss of engine power due to fuel starvation. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB SEA06CA173](https://openairdocs.org/ntsb/SEA06CA173.md): Cessna 182RG · Fairfield, UT · Accident · No injuries · Data collection · Final report · Aug 30, 2006 · N5464N · Substantial damage
  > The failure of the pilot-rated-passenger to maintain adequate airspeed on final during a simulated engine-out approach, resulting in the aircraft descending into the terrain about 40 feet short of the runway, and the failure of the pilot-in-command to take…
- [NTSB SEA06FA116](https://openairdocs.org/ntsb/SEA06FA116.md): Lciv Lancair IV-P Propjet · Provo, UT · Accident · 3 fatal · Field investigation · Final report · Jun 9, 2006 · N95CE · Destroyed
  > The pilot's failure to maintain altitude/clearance during a VFR approach, which resulted in an in-flight collision with water. Contributing factors were the dark night light conditions and the low clouds.
- [NTSB SEA06CA069](https://openairdocs.org/ntsb/SEA06CA069.md): Kearsley Exec 162F · Morgan, UT · Accident · No injuries · Data collection · Final report · Mar 22, 2006 · N520DK · Substantial damage
  > The pilot's inadequate in-flight decision to attempt to hover out of ground effect above the kit manufacturers published recommendations. A factor was mountainous terrain.
- [NTSB DEN03FA034](https://openairdocs.org/ntsb/DEN03FA034.md): Yakovlev YAK 52 · Midway, UT · Accident · 2 fatal · Field investigation · Final report · Jan 16, 2003 · N2256J · Destroyed
  > The malfunction of the elevator control as a result of a jammed elevator control bell crank, rendering control of the airplane impossible. A contributing factor was the foreign object (nut) damage.
- [NTSB DEN02FA076](https://openairdocs.org/ntsb/DEN02FA076.md): Wheeler Doug 2000 · Ogden, UT · Accident · 2 fatal · Field investigation · Final report · Jul 17, 2002 · N2058T · Destroyed
  > the pilot's failure to obtain and maintain adequate main rotor rpm, resulting in blade flapping and subsequent blade contact with the airframe, severing of the tailboom, and causing loss of aircraft control. Contributing factors were the high gusty winds, and…
- [NTSB DEN02LA010](https://openairdocs.org/ntsb/DEN02LA010.md): Agusta A119 · Ogden, UT · Accident · Minor injuries · Limited investigation · Final report · Nov 9, 2001 · N119RX · Destroyed
  > improper rigging of the rotary variable differential transformer by the manufacturer, resulting in incorrect fuel scheduling to the fuel control unit.
- [NTSB DEN00LA131](https://openairdocs.org/ntsb/DEN00LA131.md): Rotorway Executive 162F · Tooele, UT · Accident · Minor injuries · Limited investigation · Final report · Jul 16, 2000 · N6399L · Substantial damage
  > The pilot's inadequate weather evaluation, which resulted in a downwind landing, and his failure to maintain aircraft control. A factor was the tailwind.
- [NTSB DEN00LA105](https://openairdocs.org/ntsb/DEN00LA105.md): Froelich Lancair IV · Bountiful, UT · Accident · Minor injuries · Limited investigation · Final report · Jun 8, 2000 · N493K · Substantial damage
  > The loss of power for undetermined reasons and the pilot's unsuccessful remedial action (dive to avoid the power line). Contributing factors were the power line, the tires and the fence.
- [NTSB DEN00LA098](https://openairdocs.org/ntsb/DEN00LA098.md): Rosenvall Avid MK IV · Salina, UT · Accident · No injuries · Limited investigation · Final report · May 25, 2000 · N63827 · Substantial damage
  > The pilot's failure to maintain aircraft control during landing roll. A factor was gusting winds from nearby thunderstorms.
- [NTSB FTW98LA015](https://openairdocs.org/ntsb/FTW98LA015.md): Sego Tool Hawk H2X · Tooele, UT · Accident · No injuries · Limited investigation · Final report · Oct 15, 1997 · N4412X · Substantial damage
  > The pilot's failure to maintain aircraft control. Contributing was the inadequate design of the flight control systems, resulting in slow response to pilot input.
- [NTSB FTW97LA360](https://openairdocs.org/ntsb/FTW97LA360.md): Schweizer SGS 1-34 · Heber City, UT · Accident · No injuries · Limited investigation · Final report · Sep 23, 1997 · N7636 · Substantial damage
  > The pilot's improper use of spoilers during the landing sequence. Factors were the embankment and the fence.
- [NTSB SEA96FA036](https://openairdocs.org/ntsb/SEA96FA036.md): Piper PA-28-235 · Lehi, UT · Accident · 1 fatal · Field investigation · Final report · Jan 2, 1996 · N8870W · Destroyed
  > continued VFR flight by the pilot into instrument meteorological conditions (IMC), and his failure to maintain sufficient altitude and/or clearance from mountainous terrain. Factors relating to the accident were: darkness, low ceiling, and snow.
- [NTSB SEA96LA048](https://openairdocs.org/ntsb/SEA96LA048.md): Piper PA-28-161 · Salt Lake City, UT · Accident · No injuries · Limited investigation · Final report · Nov 3, 1995 · N30119 · Destroyed
  > a carburetor fire.
- [NTSB SEA94LA119](https://openairdocs.org/ntsb/SEA94LA119.md): Hallstrom BD-5B · St. George, UT · Accident · 1 fatal · Limited investigation · Final report · May 17, 1994 · N224FH · Destroyed
  > Carburetor contamination and low output, and the pilot's improper decision to attempt to continue the approach. A factor was the pilot's lack of recent flight experience.
- [NTSB SEA93LA174](https://openairdocs.org/ntsb/SEA93LA174.md): Brauch Glasair · Blanding, UT · Accident · 2 fatal · Limited investigation · Final report · Aug 7, 1993 · N365WB · Destroyed
  > The loss of engine power resulting from inadequate maintenance inspection by the pilot, a leak from loose fuel system line fittings, and fuel exhaustion. A factor relating to the accident was the rough/uneven terrain.
- [NTSB SEA93LA150](https://openairdocs.org/ntsb/SEA93LA150.md): Hoopes Hummelbird · Salt Lake City, UT · Accident · No injuries · Limited investigation · Final report · Jul 8, 1993 · N2227S · Substantial damage
  > A fractured crankshaft.
- [NTSB DEN87LA097](https://openairdocs.org/ntsb/DEN87LA097.md): Mclachlan Moni · Tooele, UT · Accident · Minor injuries · Limited investigation · Final report · Apr 15, 1987 · N96606 · Substantial damage
  > The private plt was cruising the local area near his home in his homebuilt experimental moni. The newly installed engine began to run rough. This engine is not a traditional acft engine and was a two cycle, two cylinder engine manufactured in italy, with an…
- [NTSB DEN86LA049](https://openairdocs.org/ntsb/DEN86LA049.md): Fairchild Hiller FH-1100 · Bountiful, UT · Accident · Serious injuries · Limited investigation · Final report · Dec 19, 1985 · N184FH · Destroyed
  > According to the plt, he and three friends were en route to a local ski resort, when the helicopter encountered deteriorating wx. The plt stated he elected to cross the ridge and fly down a ravine to maintain visual reference. The plt said he was aware of…
- [NTSB DEN83LA218](https://openairdocs.org/ntsb/DEN83LA218.md): Schweizer SGS 1-34 · Park City, UT · Accident · No injuries · Limited investigation · Final report · Sep 18, 1983 · N7636 · Substantial damage
  > The glider dragged a wing and nosed into the ground before ground looping during landing. The pilot said he was lifted by an updraft during landing and was running out of landing space so he turned to an alternate area. The turn was made at 150-200 ft AGL &…
- [NTSB DEN83FA131](https://openairdocs.org/ntsb/DEN83FA131.md): Aero Commander 680FL · Monticello, UT · Accident · 2 fatal · Field investigation · Final report · Jun 2, 1983 · N271VT · Destroyed
  > The acft crashed while doing magnetometer surveys at low altitude. The right engine had lost power then regained it for a short period and lost it again. A videotape in the acft recorded the plt saying, 'I changed that # just in time.' The acft yawed and the…
- [NTSB DEN80FTM31](https://openairdocs.org/ntsb/DEN80FTM31.md): Cessna 182 · Hanksville, UT · Accident · No injuries · Closed · Jul 19, 1980 · N8859X · Substantial damage
- [NTSB DEN65F0016](https://openairdocs.org/ntsb/DEN65F0016.md): Luscombe 8A · Bryce Canyon, UT · Accident · No injuries · Closed · Feb 22, 1965 · N20687 · 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 ('99999'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=99999&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.