# NTSB investigations, 1990, 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 SEA91LA037](https://openairdocs.org/ntsb/SEA91LA037.md): Cessna 152 · Logan, UT · Accident · No injuries · Limited investigation · Final report · Dec 27, 1990 · N5133B · Substantial damage
  > The certified flight instructor's inability to regain directional control after it was lost by his dual student on an icy, snowy runway.
- [NTSB SEA91LA036](https://openairdocs.org/ntsb/SEA91LA036.md): Beech D35 · Cedar City, UT · Accident · No injuries · Limited investigation · Final report · Dec 20, 1990 · N2911B · Destroyed
  > A loss of engine power due to induction system icing. Factors related to the accident were: the adverse weather condition, and a blocked induction air filter.
- [NTSB SEA91FA120](https://openairdocs.org/ntsb/SEA91FA120.md): Cessna 182H · Thompson, UT · Accident · 1 fatal · Field investigation · Final report · Dec 19, 1990 · N2466X · Destroyed
  > The pilot's misjudged descent. Contributing to the accident was the dark night conditions.
- [NTSB SEA91LA028](https://openairdocs.org/ntsb/SEA91LA028.md): Aerospatiale SA316B · Vernal, UT · Accident · Minor injuries · Limited investigation · Final report · Dec 3, 1990 · N316BS · Destroyed
  > A malfunction/failure of the helicopter's main rotor lead-lag damper.
- [NTSB SEA91FA026](https://openairdocs.org/ntsb/SEA91FA026.md): Piper PA-28R-180 · Salt Lake City, UT · Accident · 2 fatal · Field investigation · Final report · Nov 30, 1990 · N4678J · Destroyed
  > The pilot's intentional buzzing of uninhabited island in the great Salt lake and his misjudging the timing of a pull-up maneuver to clear rising terrain of a ridgeline.
- [NTSB SEA91LA016](https://openairdocs.org/ntsb/SEA91LA016.md): Cessna 172A · Brigham City, UT · Accident · Serious injuries · Limited investigation · Final report · Nov 15, 1990 · N5030A · Substantial damage
  > The pilot did not maintain a proper climb rate.
- [NTSB SEA90LA186](https://openairdocs.org/ntsb/SEA90LA186.md): Cessna 152 · Kamas, UT · Accident · Serious injuries · Limited investigation · Final report · Sep 17, 1990 · N67853 · Destroyed
  > Poor inflight planning by the pilot. The airplane encountered a possible downdraft condition while maneuvering in mountainous terrain which resulted in an inflight collision with trees.
- [NTSB SEA90LA187](https://openairdocs.org/ntsb/SEA90LA187.md): Cessna 150D · Park City, UT · Accident · Serious injuries · Limited investigation · Final report · Sep 16, 1990 · N4183U · Substantial damage
  > The pilot's lack of understanding of aircraft performance and meteorological conditions when flying at high density altitude in close proximity to mountainous terrain.
- [NTSB SEA90LA176](https://openairdocs.org/ntsb/SEA90LA176.md): Cessna 182 · Ogden, UT · Accident · Serious injuries · Limited investigation · Final report · Sep 9, 1990 · N5146D · Substantial damage
  > The failure of the pilot to correct the position of the fuel tank selector, causing erratic engine operation and loss of power.
- [NTSB DEN90LA162](https://openairdocs.org/ntsb/DEN90LA162.md): Luscombe 8A · Logan, UT · Accident · No injuries · Limited investigation · Final report · Jul 12, 1990 · N45537 · Substantial damage
  > The pilot's failure to maintain directional control and his improper use of the wheel brakes. A factor related to the accident was: the pilot's lack of experience in the make and model of aircraft.
- [NTSB DEN90LA157](https://openairdocs.org/ntsb/DEN90LA157.md): Piper PA-36 · Clarkston, UT · Accident · No injuries · Limited investigation · Final report · Jul 12, 1990 · N9980P · Substantial damage
  > Jammed ailerons resultant from the collision with crops.
- [NTSB DEN90FA159](https://openairdocs.org/ntsb/DEN90FA159.md): Cessna P210R · Ogden, UT · Accident · 1 fatal · Field investigation · Final report · Jul 12, 1990 · N6203A · Destroyed
  > Failure of the #1 piston due to pre-ignition/detonation in the #1 cylinder, and inadequate visual lookout by the pilot (his failure to see-and-avoid the obstruction). The obstruction (power line) was a related factor.
- [NTSB DEN90FA155](https://openairdocs.org/ntsb/DEN90FA155.md): Cessna 170 · Fillmore, UT · Accident · Serious injuries · Field investigation · Final report · Jul 10, 1990 · N4068V · Substantial damage
  > The pilot's failure to maintain airspeed which resulted in inadvertent stall.
- [NTSB DEN90LA151](https://openairdocs.org/ntsb/DEN90LA151.md): Cessna 172XP · Tooele, UT · Accident · No injuries · Limited investigation · Final report · Jul 2, 1990 · N736NB · Substantial damage
  > The flights encounter with turblence on final which resulted in a loss of control and a subsequent collision with the ground.
- [NTSB DEN90LA143](https://openairdocs.org/ntsb/DEN90LA143.md): Cessna 150 · Bountiful, UT · Accident · No injuries · Limited investigation · Final report · Jun 24, 1990 · N7885F · Substantial damage
  > Power loss due to fuel exhaustion. A factor was the pilot's failure to refuel.
- [NTSB DEN90LA136](https://openairdocs.org/ntsb/DEN90LA136.md): Cessna 170A · Salina, UT · Accident · No injuries · Limited investigation · Final report · Jun 18, 1990 · N9086A · Substantial damage
  > Power loss as a result of water contaminated fuel. Contributing to the accident were: an inadequate preflight inspection by the pilot, and rough terrain encountered during the ground run, following the forced landing.
- [NTSB DEN90LA133](https://openairdocs.org/ntsb/DEN90LA133.md): Piper Aerostar 601P · Brigham City, UT · Accident · No injuries · Limited investigation · Final report · Jun 13, 1990 · N3637F · Substantial damage
  > The pilot's failure to attain the proper touchdown point.
- [NTSB DEN90LA118](https://openairdocs.org/ntsb/DEN90LA118.md): Cessna 310 · Ogden, UT · Accident · No injuries · Limited investigation · Final report · May 28, 1990 · N8148M · Substantial damage
  > The failure of the main gear locking mechanism.
- [NTSB DEN90LA117](https://openairdocs.org/ntsb/DEN90LA117.md): Luscombe 8F · Morgan, UT · Accident · No injuries · Limited investigation · Final report · May 26, 1990 · N1113B · Substantial damage
  > Pilot's improper use of the brakes during landing roll.
- [NTSB DEN90FA115](https://openairdocs.org/ntsb/DEN90FA115.md): Aerospatiale SA315B · La Sal, UT · Accident · Serious injuries · Field investigation · Final report · May 23, 1990 · N402AH · Substantial damage
  > A failure of the engine speed governor unit due to improper storage and/or inspection of the speed governor unit prior to placing it in service. A factor in the accident was the pilot carrying passengers on the external load.
- [NTSB DEN90LA110](https://openairdocs.org/ntsb/DEN90LA110.md): Cessna 205 · Bluff, UT · Accident · No injuries · Limited investigation · Final report · May 20, 1990 · N4807U · Substantial damage
  > Failure of the pilot to properly select and survey his landing site.
- [NTSB DEN90LA113](https://openairdocs.org/ntsb/DEN90LA113.md): Cessna 152 · Delta, UT · Accident · Minor injuries · Limited investigation · Final report · May 19, 1990 · N6392Q · Substantial damage
  > The pilot's loss of directional control during landing. Factors were gusting tailwinds and the pilot selected the wrong runway.
- [NTSB DEN90FA100](https://openairdocs.org/ntsb/DEN90FA100.md): Piper PA31-325 · Cedar City, UT · Accident · 4 fatal · Field investigation · Final report · Apr 26, 1990 · N18PP · Destroyed
  > The pilot failed to maintain a minimum safe altitude over mountainous terrain during a night VFR approach for landing.
- [NTSB DEN90LA094](https://openairdocs.org/ntsb/DEN90LA094.md): Piper PA-28-181 · Bountiful, UT · Accident · Minor injuries · Limited investigation · Final report · Apr 23, 1990 · N8126W · Substantial damage
  > The flight instructor's inadequate supervision of the dual student. Factors in the accident were the premature lift-off by dual student, the rough terrain and the fence.
- [NTSB DEN90FA092](https://openairdocs.org/ntsb/DEN90FA092.md): Piper PA-24-250 · Wendover, UT · Accident · 2 fatal · Field investigation · Final report · Apr 15, 1990 · N6401P · Destroyed
  > The pilot's loss of control of the airplane due to spatial disorientation. Contributing factor(s) was: the lack of surface reference while taking off over a sparsely populated area under dark night light conditions.
- [NTSB DEN90LA086](https://openairdocs.org/ntsb/DEN90LA086.md): Schweizer SGS 2-33A · Morgan, UT · Accident · No injuries · Limited investigation · Final report · Apr 4, 1990 · N2048T · Substantial damage
  > Separation of the tow rope and the pilot's failure to establish an appropriate descent rate as he returned to land. Contributing to the accident were the tailwind and the unsuitable terrain for landing beyond the runway end.
- [NTSB DEN90LA080](https://openairdocs.org/ntsb/DEN90LA080.md): Piper PA-28-181 · Price, UT · Accident · No injuries · Limited investigation · Final report · Mar 26, 1990 · N4540X · Substantial damage
  > The pilot's inadequate conpensation for the gusty wind conditions, which were a factor.
- [NTSB DEN90LA091](https://openairdocs.org/ntsb/DEN90LA091.md): Cessna 172XP · Hurricane, UT · Accident · No injuries · Limited investigation · Final report · Mar 13, 1990 · N1530V · Substantial damage
  > The engine oil leak induced connecting rod failure and subsequent total power loss.
- [NTSB DEN90LA065](https://openairdocs.org/ntsb/DEN90LA065.md): Cessna P206A · Logan, UT · Accident · No injuries · Limited investigation · Final report · Feb 24, 1990 · N4679F · Destroyed
  > The pilot flew the aircraft with an improper modification to the fuel system, which resulted in a fuel leak and subsequent fire.
- [NTSB DEN90LA062](https://openairdocs.org/ntsb/DEN90LA062.md): Piper PA-28-161 · Nephi, UT · Accident · No injuries · Limited investigation · Final report · Feb 22, 1990 · N81658 · Substantial damage
  > Failure of the pilot to maintain direction control and correct the resultant ground swerve. The snow bank was a related factor.
- [NTSB DEN90LA054](https://openairdocs.org/ntsb/DEN90LA054.md): Piper PA-32RT-300T · Provo, UT · Accident · No injuries · Limited investigation · Final report · Feb 3, 1990 · N21492 · Substantial damage
  > Improper installation by maintenance personnel and fatigue failure and leakage of the left intermediate exhaust pipe, which resulted in an in-flight fire in the engine compartment. Contributing factors were: inadequate service bulletin provided by the…
- [NTSB DEN90LA039](https://openairdocs.org/ntsb/DEN90LA039.md): Piper PA-28-140 · Provo, UT · Accident · No injuries · Limited investigation · Final report · Jan 12, 1990 · N5693U · Substantial damage
  > Fuel starvation due to pilot misjudgement of fuel requirements for the trip and a failure to refuel the airplane en route.

## 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") = 1990
  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=1990

---
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.