# NTSB investigations, 1991, 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 SEA92LA023](https://openairdocs.org/ntsb/SEA92LA023.md): Kitfox Ten Model 2 · West Jordan, UT · Accident · No injuries · Limited investigation · Final report · Nov 23, 1991 · N66257 · Substantial damage
  > The loss of engine power when it overheated due to low coolant level, which resulted from the inadequate preflight inspection by the pilot. A factor relating to the accident was the obstruction in the landing area.
- [NTSB SEA92FA016](https://openairdocs.org/ntsb/SEA92FA016.md): Bell 206B · Salt Lake City, UT · Accident · 1 fatal · Field investigation · Final report · Nov 8, 1991 · N5736B · Destroyed
  > The pilot failed to maintain directional control. Factors to the accident were: inadeqaute remedial action, over confidence in personal ability, and lack of recent expereince.
- [NTSB SEA92LA014](https://openairdocs.org/ntsb/SEA92LA014.md): Piper PA-28R-201T · Monticello, UT · Accident · No injuries · Limited investigation · Final report · Oct 20, 1991 · N1087H · Substantial damage
  > Inadequate maintenance/overhaul of the engine, and subsequent failure of the #5 piston (hole burned in piston), due to pre-ignition and/or detonation. Rough/uneven terrain in the emergency landing area was a related factor.
- [NTSB SEA92LA012](https://openairdocs.org/ntsb/SEA92LA012.md): Piper PA28-161 · Duchesne, UT · Accident · Minor injuries · Limited investigation · Final report · Oct 14, 1991 · N8379V · Substantial damage
  > Fuel exhaustion due to the pilot's inattention and becoming lost. A factor to the accident was the night conditions.
- [NTSB SEA91TL#02](https://openairdocs.org/ntsb/SEA91TL%2302.md): Hiller-Soloy UH-12E · Vernal, UT · Accident · No injuries · Class 3 · Final report · Sep 18, 1991 · N7173S · Destroyed
- [NTSB SEA91LA241](https://openairdocs.org/ntsb/SEA91LA241.md): Cessna 172N · St George, UT · Accident · No injuries · Limited investigation · Final report · Sep 14, 1991 · N2185E · Substantial damage
  > Improper planning/decision by the student pilot. The crosswind and the student's lack of experience were related factors.
- [NTSB SEA91FA235](https://openairdocs.org/ntsb/SEA91FA235.md): Piper PA32RT-300T · Mayfield, UT · Accident · 1 fatal · Field investigation · Final report · Sep 6, 1991 · N3006J · Destroyed
  > Poor in flight planning/decision. Factors to the accident were: flight into known adverse weather, inadvertent VFR flight into IMC and inadequate clearance.
- [NTSB SEA91LA222](https://openairdocs.org/ntsb/SEA91LA222.md): Cessna 170B · Heber City, UT · Accident · No injuries · Limited investigation · Final report · Aug 26, 1991 · N4653C · Substantial damage
  > The pilot's failure to maintain directional control during landing ground roll. A factor relating to the accident was the crosswind weather conditions.
- [NTSB SEA91LA194](https://openairdocs.org/ntsb/SEA91LA194.md): Let L-13 · Wallsburg, UT · Accident · No injuries · Limited investigation · Final report · Jul 27, 1991 · N2NV · Substantial damage
  > The in flight encounter with downdraft winds and the lack of suitable terrain in the area for a landing.
- [NTSB SEA91LA188](https://openairdocs.org/ntsb/SEA91LA188.md): Waco KNF · Wendover, UT · Accident · No injuries · Limited investigation · Final report · Jul 24, 1991 · NC698N · Substantial damage
  > Pilot installed an improper 'o' ring which restricted normal landing gear extension and subsequent loss of control by the pilot.
- [NTSB SEA91LA162](https://openairdocs.org/ntsb/SEA91LA162.md): Aeronca 65-CA · West Jordan, UT · Accident · Minor injuries · Limited investigation · Final report · Jul 7, 1991 · N36831 · Substantial damage
  > The pilot's delayed switching of the fuel tank selector, the engine failure from fuel starvation and the unsuitable terrain for a forced landing.
- [NTSB SEA91LA160](https://openairdocs.org/ntsb/SEA91LA160.md): Piper PA-28-140 · Bryce Canyon, UT · Accident · No injuries · Limited investigation · Final report · Jul 7, 1991 · N5961U · Substantial damage
  > The pilot's entry into a stall/mush condition shortly after take off. Contributing to the accident was the high density altitude.
- [NTSB SEA91IA159](https://openairdocs.org/ntsb/SEA91IA159.md): Galaxy GLX-7 · Provo, UT · Incident · No injuries · Incident investigation · Final report · Jul 5, 1991 · N5353A · Minor damage
  > The pilot's diverted attention. Facotrs include on ground contact with a fence.
- [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 SEA91LA149](https://openairdocs.org/ntsb/SEA91LA149.md): Cessna 210 · Salt Lake City, UT · Accident · No injuries · Limited investigation · Final report · Jun 21, 1991 · N7350E · Substantial damage
  > The pilot's poor inflight planning and decisions in that he failed to anticipate wake turbulence from the departing helicopter.
- [NTSB SEA91LA133](https://openairdocs.org/ntsb/SEA91LA133.md): Cessna 182G · Pleasant Grove, UT · Accident · Minor injuries · Limited investigation · Final report · Jun 16, 1991 · N3705U · Substantial damage
  > The pilot's failure to maintian proper airspeed while on final approach.
- [NTSB SEA91LA132](https://openairdocs.org/ntsb/SEA91LA132.md): Duffy Smith Mini Plane · Ogden, UT · Accident · Minor injuries · Limited investigation · Final report · Jun 15, 1991 · N27JD · Substantial damage
  > A premature liftoff and subsequent stall.
- [NTSB SEA91FA131](https://openairdocs.org/ntsb/SEA91FA131.md): Piper PA-18-150 · Nephi, UT · Accident · 2 fatal · Field investigation · Final report · Jun 15, 1991 · N4090Z · Destroyed
  > Poor inflight planning and decisions. Factors to the accident were: an uncontrolled stall/spin, and inadequate airspeed.
- [NTSB SEA91LA115](https://openairdocs.org/ntsb/SEA91LA115.md): Dave Ronneberg LONG-EZE · Kanab, UT · Accident · Serious injuries · Limited investigation · Final report · May 26, 1991 · N515DR · Substantial damage
  > Loss of aircraft control in flight which resulted from the pilot's diverted attention and his failure to maintain proper airspeed.
- [NTSB SEA91LA118](https://openairdocs.org/ntsb/SEA91LA118.md): Beech A36TC · Ogden, UT · Accident · No injuries · Limited investigation · Final report · May 24, 1991 · N3671F · Substantial damage
  > Loss of control by the pilot due to inadequate preflight planning and preparation which resulted in over gross weight aircraft loading. A factor relating to the accident was the high density altitude weather conditions.
- [NTSB SEA91LA113](https://openairdocs.org/ntsb/SEA91LA113.md): Beech B23 · Spanish Fork, UT · Accident · No injuries · Limited investigation · Final report · May 19, 1991 · N4019T · Substantial damage
  > The pilot did not adequately recover from a bounced landing. Factors to the accident were: a poorly planned approach, and the pilot's lack of total flight experience.
- [NTSB SEA91LA114](https://openairdocs.org/ntsb/SEA91LA114.md): Cessna TR182 · Green River, UT · Accident · No injuries · Limited investigation · Final report · May 17, 1991 · N4664S · Substantial damage
  > Worn brakes. Contributing to the accident was: poor maintenance.
- [NTSB SEA91LA098](https://openairdocs.org/ntsb/SEA91LA098.md): Richard Cheney Teratorn Tierra II · Morgan, UT · Accident · Serious injuries · Limited investigation · Final report · May 5, 1991 · N134TA · Destroyed
  > The inadvertant stall and the pilot's steep banked turn. Factors relating to the accident were the pilot's lack of qualification to conduct the flight and the strong tailwind conditions.
- [NTSB SEA91LA094](https://openairdocs.org/ntsb/SEA91LA094.md): Cessna 180 · Vernal, UT · Accident · No injuries · Limited investigation · Final report · Apr 26, 1991 · N40LT · Substantial damage
  > The pilot's impairment due to alcohol consumption and his failue to control the airplane during landing.
- [NTSB SEA91LA082](https://openairdocs.org/ntsb/SEA91LA082.md): Cessna 172M · Ogden, UT · Accident · No injuries · Limited investigation · Final report · Mar 31, 1991 · N6852H · Substantial damage
  > The pilot's poorly planned approached for landing. Factors to the accident were: an excessive airspeed, and the inadequacy of the pilot's recovery from a bounced landing.
- [NTSB SEA91LA064](https://openairdocs.org/ntsb/SEA91LA064.md): Mooney M20C · Loa, UT · Accident · Serious injuries · Limited investigation · Final report · Mar 10, 1991 · N7108U · Substantial damage
  > The pilot-in-command's failure to maintain airspeed on takeoff climb in a turn resulting in an inadvertnent stall and subsequent in flight collision with terrain. Contributing to the accident was a crosswind with gusts.
- [NTSB SEA91LA051](https://openairdocs.org/ntsb/SEA91LA051.md): Cessna 152 · Logan, UT · Accident · No injuries · Limited investigation · Final report · Feb 13, 1991 · N757PW · Substantial damage
  > The pilot did not maintain directional control of the airplane during the landing roll.
- [NTSB SEA91LA050](https://openairdocs.org/ntsb/SEA91LA050.md): Beech F33A · Ogden, UT · Accident · 4 fatal · Limited investigation · Final report · Feb 13, 1991 · N66841 · Destroyed
  > The pilot elected to fly into known adverse weather and encountered icing conditions. Contributing to the accident was the pilot's inadequate evaluation of the weather and a loss of engine power for undetermined reasons.
- [NTSB SEA91LA048](https://openairdocs.org/ntsb/SEA91LA048.md): Maule M-5-235C · Draper, UT · Accident · Minor injuries · Limited investigation · Final report · Feb 6, 1991 · N392X · Substantial damage
  > An undetermined loss of engine power.
- [NTSB SEA91LA047](https://openairdocs.org/ntsb/SEA91LA047.md): Cessna 150M · Salt Lake City, UT · Accident · No injuries · Limited investigation · Final report · Feb 4, 1991 · N63644 · Substantial damage
  > An undetermined loss of engine power.
- [NTSB SEA91LA041](https://openairdocs.org/ntsb/SEA91LA041.md): Aero Commander 200D · Tooele, UT · Accident · Minor injuries · Limited investigation · Final report · Jan 13, 1991 · N235M · Destroyed
  > Engine fuel system blockage due to ice formation in the fuel system during a period of weather temperature extremes. A factor was the lack of suitable terrain for a forced landing.

## 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 year(c."eventDate") = 1991
  AND c."eventStateOrRegion" = 'UT' AND c."eventCountry" = 'USA'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?state=UT&year=1991

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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.