# Fatal NTSB investigations: Lycoming 0-320 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 WPR24FA002](https://openairdocs.org/ntsb/WPR24FA002.md): Piper PA-28-140 · Moab, UT · Accident · 4 fatal · Class 3 · Field · Final report · Oct 2, 2023 · N7153R · Substantial damage
  > The pilot’s loss of visual reference to the horizon while departing during dark night, which resulted in the pilot experiencing spatial disorientation and subsequent controlled flight into terrain.
- [NTSB WPR21FA231](https://openairdocs.org/ntsb/WPR21FA231.md): Piper PA-28-140 · Rush Valley, UT · Accident · 2 fatal · Class 3 · Field · Final report · Jun 18, 2021 · N6323R · Substantial damage
  > The pilot’s misidentification of a mountain pass at night, which resulted in controlled flight into terrain. Contributing to the accident were the pilot’s overconfidence based on her previous aviation experience and fatigue due to both the time of the flight…
- [NTSB WPR20LA203](https://openairdocs.org/ntsb/WPR20LA203.md): Cessna 172 · Alpine, UT · Accident · 4 fatal · Class 3 · Limited · Final report · Jul 3, 2020 · N6929H · Destroyed
  > The pilot’s exceedance of the airplane’s critical angle-of-attack while maneuvering in a canyon, which resulted in a loss of airplane control.
- [NTSB WPR18FA063](https://openairdocs.org/ntsb/WPR18FA063.md): Cessna 172M · Ogden, UT · Accident · 2 fatal · Field investigation · Final report · Dec 29, 2017 · N4395R · Substantial damage
  > The pilot's failure to maintain clearance from the water while flying over a lake with glassy surface conditions. Contributing to the accident was the pilot's use of three impairing medications.
- [NTSB WPR14FA183](https://openairdocs.org/ntsb/WPR14FA183.md): Cessna 150 - F · Santa Clara, UT · Accident · 2 fatal · Field investigation · Final report · May 7, 2014 · N8236F · Substantial damage
  > The flight instructor’s failure to arrest the airplane’s descent and maintain clearance from mountainous terrain while maneuvering at a low altitude.
- [NTSB WPR13FA294](https://openairdocs.org/ntsb/WPR13FA294.md): Cessna 172 · Birdseye, UT · Accident · 1 fatal · Field investigation · Final report · Jun 27, 2013 · N4459R · Substantial damage
  > ***This report was modified on August 18, 2015. Please see the docket for this accident to view the original report.*** The operator's improper installation of a supplemental electrical power supply, which caused a short circuit due to inadequate vibration…
- [NTSB WPR11FA450](https://openairdocs.org/ntsb/WPR11FA450.md): Cone James A RV-6A · West Jordan, UT · Accident · 1 fatal · Field investigation · Final report · Sep 15, 2011 · N641JC · Substantial damage
  > The pilot’s execution of an abrupt maneuver, likely to avoid birds, which resulted in a stall and spin.
- [NTSB WPR11FA429](https://openairdocs.org/ntsb/WPR11FA429.md): Brewster LONG-EZ · Kanab, UT · Accident · 1 fatal · Field investigation · Final report · Sep 4, 2011 · N9DZ · Substantial damage
  > The pilot's loss of airplane control during cruise flight.
- [NTSB SEA07FA012](https://openairdocs.org/ntsb/SEA07FA012.md): Cessna 172M · Escalante, UT · Accident · 1 fatal · Field investigation · Final report · Oct 25, 2006 · N9179D · Destroyed
  > The pilot's failure to maintain aircraft control. Contributing factors were the pilot's lack of experience of flying on instruments on a dark night and in rainy weather.
- [NTSB DEN01FA133](https://openairdocs.org/ntsb/DEN01FA133.md): Wilson Glastar · Henefer, UT · Accident · 1 fatal · Field investigation · Final report · Jul 30, 2001 · N533WW · Destroyed
  > the pilot's failure to maintain aircraft control for an undetermined reason.
- [NTSB DEN99FA120](https://openairdocs.org/ntsb/DEN99FA120.md): Piper PA-22-150 · Roy, UT · Accident · 4 fatal · Field investigation · Final report · Jul 11, 1999 · N7729D · Destroyed
  > The pilot inadvertently allowing the aircraft to enter a stall during initial climb following takeoff. Factors were high density altitude and gross weight which exceeded the maximum.
- [NTSB FTW98LA075](https://openairdocs.org/ntsb/FTW98LA075.md): Cessna 172M · Monticello, UT · Accident · 1 fatal · Limited investigation · Final report · Dec 24, 1997 · N1596V · Substantial damage
  > The pilot's failure to maintain adequate altitude and clearance from obstacles. Also causal was the pilot becoming lost and disoriented. Contributing factors were his lack of familiarity with the geographical area, lack of experience, night conditions, and…
- [NTSB SEA97GA008](https://openairdocs.org/ntsb/SEA97GA008.md): Piper PA-18-150 · Holden, UT · Accident · 2 fatal · Final report · Oct 10, 1996 · N91017 · Destroyed
  > The first pilot's failure to maintain adequate airspeed while maneuvering the airplane in close proximity to the ground. This subsequently led to an aerodynamic stall and uncontrolled descent into the ground. Factors contributing to the accident include the…
- [NTSB SEA92FA042](https://openairdocs.org/ntsb/SEA92FA042.md): Piper PA-28-161 · Ogden, UT · Accident · 1 fatal · Field investigation · Final report · Feb 6, 1992 · N4370B · Destroyed
  > The improper decision by the instructor pilot to perform maintenance in flight and his failure to maintain terrain clearance. Factors relating to the accident were the dark night light conditions, mountainous terrain in the area, and the instructor diverting…
- [NTSB DEN88FA212](https://openairdocs.org/ntsb/DEN88FA212.md): Piper PA-22-150 · Kanosh, UT · Accident · 2 fatal · Field investigation · Final report · Jul 13, 1988 · N3541Z · Destroyed
  > Plt obtained wx briefing and filed VFR flt plan from burley, ID, to chandler, AZ, with enroute refueling stop at fillmore, UT. Plt landed on dirt road at fillmore and taxiied acft to roadside truck stop. Acft serviced with auto gas. Acft departed fillmore but…
- [NTSB DEN88FA096](https://openairdocs.org/ntsb/DEN88FA096.md): Piper PA-28-161 · Milford, UT · Accident · 1 fatal · Field investigation · Final report · Apr 14, 1988 · N3850M · Destroyed
  > The plt (with a recent instrument rating) rcvd a wx briefing fm cedar city (cdc) fss & filed an IFR flt plan fm provo (pvu) to st george (sgu). Current sgu wx wasn't available, but wx for cdc (abt 45 mi nne) was provided. The plt was adzdof moist unstable…
- [NTSB DEN86FA131](https://openairdocs.org/ntsb/DEN86FA131.md): Piper PA-28B-140 · Salt Lake City, UT · Accident · 1 fatal · Field investigation · Final report · May 10, 1986 · N8043N · Destroyed
  > Plt and pax departed slc at 0930 for sightseeing cross country trip to heber city and return. Plt said plan was to fly through lambs canyon and parley's canyon. Acft hit tree and crashed at 8040 ft MSL level in lambs canyon at approximately 0955. Terrain…
- [NTSB DEN85FA222](https://openairdocs.org/ntsb/DEN85FA222.md): Cessna 172P II · Cedar City, UT · Accident · 4 fatal · Field investigation · Final report · Aug 18, 1985 · N54168 · Destroyed
  > The plt took three of his friends up for a pleasure flt in the local area of Cedar City, Utah. VMC prevailed at the time. The plt continued to climb his acft as it passed over rising terrain. The flt terminated in a box canyon with high terrain on all sides.…
- [NTSB DEN81FA028](https://openairdocs.org/ntsb/DEN81FA028.md): Cessna 172 · Tropic, UT · Accident · 2 fatal · Closed · Apr 18, 1981 · N19831 · Destroyed
- [NTSB DEN80FA037](https://openairdocs.org/ntsb/DEN80FA037.md): Globe GC-1B · Spanish Fork, UT · Accident · 1 fatal · Closed · Jun 7, 1980 · N211M · Destroyed
- [NTSB DEN79FA042](https://openairdocs.org/ntsb/DEN79FA042-135391.md): Piper PA-28 · Moab, UT · Accident · 3 fatal · Closed · May 27, 1979 · N7098R · Destroyed
- [NTSB DEN79FA022](https://openairdocs.org/ntsb/DEN79FA022.md): Piper PA-28 · Logan, UT · Accident · 1 fatal · Closed · Feb 17, 1979 · N3893M · 2 aircraft · Minor damage
- [NTSB DEN76AD024](https://openairdocs.org/ntsb/DEN76AD024.md): Cessna 172M · Beaver, UT · Accident · 4 fatal · Closed · Dec 6, 1975 · N13730 · 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."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41508'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41508&fatal=1&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.