# NTSB investigations, 1999, 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 DEN00IA032](https://openairdocs.org/ntsb/DEN00IA032.md): Boeing 737-347 · Salt Lake City, UT · Incident · No injuries · Incident investigation · Final report · Dec 24, 1999 · N305WA · Minor damage
  > Improper assembly of the wheel during build up in the operator's maintenance facilities.
- [NTSB DEN00IA023](https://openairdocs.org/ntsb/DEN00IA023.md): Boeing 767-232 · Salt Lake City, UT · Incident · No injuries · Incident investigation · Final report · Dec 6, 1999 · N111DN · Minor damage
  > Total failure of the main landing gear retract actuator due to stress corrosion caused by the use of a faulty sealant by company maintenance personnel that allowed moisture to enter the joint. A factor was the use of an improper fillet seal.
- [NTSB DEN00LA017](https://openairdocs.org/ntsb/DEN00LA017.md): Cessna 172R · Logan, UT · Accident · No injuries · Limited investigation · Final report · Nov 12, 1999 · N427ES · Substantial damage
  > The pilot's improper flare and improper recovery from a bounced landing.
- [NTSB DEN00LA014](https://openairdocs.org/ntsb/DEN00LA014.md): Piper PA-18-150 · Bullfrog, UT · Accident · No injuries · Limited investigation · Final report · Nov 2, 1999 · N4285Z · Substantial damage
  > The pilot-in-command's failure to maintain directional control of the aircraft during landing roll. Factors were the pilot's lack of total experience in type of aircraft and the fence.
- [NTSB DEN00FA005](https://openairdocs.org/ntsb/DEN00FA005.md): Watkins Christen Eagle · Brigham City, UT · Accident · 1 fatal · Field investigation · Final report · Oct 11, 1999 · N24JT · Destroyed
  > The pilot's inability to maintain aircraft control due to an unknown physical impairment.
- [NTSB DEN99LA171](https://openairdocs.org/ntsb/DEN99LA171.md): Robinson R22 · St. George, UT · Accident · No injuries · Limited investigation · Final report · Sep 26, 1999 · N8360J · Substantial damage
  > The pilot's inadequate visual lookout. Factors included the pilot concentrating on the maneuver being practiced to such an extent that he was inattentive to outside surroundings, and the sun glare.
- [NTSB DEN99LA170](https://openairdocs.org/ntsb/DEN99LA170.md): Cessna 172 · Panguitch, UT · Accident · No injuries · Limited investigation · Final report · Sep 25, 1999 · N9103B · Destroyed
  > Inadequate preflight planning and preparation by the pilot in command. Factors were high velocity gusty winds, high-density altitude, and unsuitable terrain for a forced landing.
- [NTSB DEN99LA168](https://openairdocs.org/ntsb/DEN99LA168.md): Bell 47G3B2A · Tremonton, UT · Accident · No injuries · Limited investigation · Final report · Sep 23, 1999 · N83246 · Substantial damage
  > The pilot's failure to maintain rotor rpm while attempting a precautionary autorotation landing. A factor was the loss of engine power for undetermined reasons.
- [NTSB DEN99LA165](https://openairdocs.org/ntsb/DEN99LA165.md): Cessna 152 · Murray, UT · Accident · No injuries · Limited investigation · Final report · Sep 18, 1999 · N65602 · Substantial damage
  > A forced landing on unsuitable terrain. Factors were fuel exhaustion and inaccurate preflight planning by the flight instructor.
- [NTSB DEN99LA161](https://openairdocs.org/ntsb/DEN99LA161.md): Aeronca 11BC · Heber City, UT · Accident · No injuries · Limited investigation · Final report · Sep 1, 1999 · N86096 · Substantial damage
  > The pilot's failure to maintain aircraft control during takeoff roll. Factors were the gusting crosswind conditions, and the airport sign.
- [NTSB DEN99LA153](https://openairdocs.org/ntsb/DEN99LA153.md): Cessna 180 · Heber City, UT · Accident · No injuries · Limited investigation · Final report · Aug 22, 1999 · N1630C · Substantial damage
  > The stripped threads and subsequent separation of the left hydraulic brake line leading to fluid loss and the pilot's inability to maintain directional control.
- [NTSB DEN99LA150](https://openairdocs.org/ntsb/DEN99LA150.md): Piper PA-28-181 · Tooele, UT · Accident · No injuries · Limited investigation · Final report · Aug 17, 1999 · N8262S · Substantial damage
  > An inadequate flare during landing touchdown, resulting in a fracture of the right main landing gear strut. A factor was the flight instructor's failure to properly supervise the student.
- [NTSB DEN99LA141](https://openairdocs.org/ntsb/DEN99LA141.md): Cessna 152 · Salt Lake City, UT · Accident · No injuries · Limited investigation · Final report · Aug 10, 1999 · N89186 · Substantial damage
  > An inadvertent collision with a bird.
- [NTSB DEN99LA129](https://openairdocs.org/ntsb/DEN99LA129.md): Boeing A-75-N1 (Stearman) · Tooele, UT · Accident · No injuries · Limited investigation · Final report · Jul 26, 1999 · N56772 · Substantial damage
  > The failure of the right main landing gear tire's inner tube, and the subsequent inadvertent ground loop by the pilot.
- [NTSB DEN00LA033](https://openairdocs.org/ntsb/DEN00LA033.md): Cessna T210M · Cedar City, UT · Accident · No injuries · Limited investigation · Final report · Jul 16, 1999 · N6029N · Substantial damage
  > The pilot's failure to follow alternate landing gear extension procedures. Factors were the main landing gear failure to extend and a loss of electrical power.
- [NTSB DEN99LA118](https://openairdocs.org/ntsb/DEN99LA118.md): Piper PA-25-235 · Delta, UT · Accident · No injuries · Limited investigation · Final report · Jul 12, 1999 · N7614Z · Substantial damage
  > The pilot's delayed aborted takeoff. A factor was the high density altitude.
- [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 DEN99LA110](https://openairdocs.org/ntsb/DEN99LA110.md): Cessna 182A · Salt Lake City, UT · Accident · No injuries · Limited investigation · Final report · Jul 1, 1999 · N6165B · Substantial damage
  > A total loss of engine power (nonmechanical) for reasons undetermined. Factors were the existence of conditions conducive to carburetor icing, and unsuitable terrain on which to make a forced landing.
- [NTSB DEN99LA100](https://openairdocs.org/ntsb/DEN99LA100.md): Butler SX-300 · Hill Afb, UT · Accident · No injuries · Limited investigation · Final report · Jun 12, 1999 · N120J · Substantial damage
  > A failure of the left main landing gear attachment for undetermined reasons.
- [NTSB DEN99LA094](https://openairdocs.org/ntsb/DEN99LA094.md): Cessna 182B · Salt Lake City, UT · Accident · No injuries · Limited investigation · Final report · Jun 6, 1999 · N2276G · Substantial damage
  > Failure of the nose landing gear scissors bolt for undetermined reasons.
- [NTSB DEN99LA087](https://openairdocs.org/ntsb/DEN99LA087.md): Cessna 170B · Ogden, UT · Accident · No injuries · Limited investigation · Final report · May 27, 1999 · N2716C · Destroyed
  > The pilot's misjudgment of altitude during an intentional (practice) low altitude flight maneuver (landing approach).
- [NTSB DEN99LA082](https://openairdocs.org/ntsb/DEN99LA082.md): Rich RV3-A · Bountiful, UT · Accident · No injuries · Limited investigation · Final report · May 21, 1999 · N4461V · Substantial damage
  > The pilot's inadequate preflight planning, and the subsequent fuel exhaustion during the flight. Factor was the airplane's inaccurate fuel gauge.
- [NTSB DEN99LA079](https://openairdocs.org/ntsb/DEN99LA079.md): Piper PA-25-260 · Richfield, UT · Accident · No injuries · Limited investigation · Final report · May 21, 1999 · N8531L · Destroyed
  > The pilot's failure to maintain adequate altitude/clearance from the wires while maneuvering during an aerial application.
- [NTSB DEN99FA071](https://openairdocs.org/ntsb/DEN99FA071.md): Mooney M20E · Cedar City, UT · Accident · 3 fatal · Field investigation · Final report · May 3, 1999 · N5594Q · Destroyed
  > The pilot's inadequate fuel consumption calculations. Factors were the loss of engine power due to fuel exhaustion and the obscuring weather conditions.
- [NTSB DEN99LA065](https://openairdocs.org/ntsb/DEN99LA065.md): Piper PA-25-235 · Wendover, UT · Accident · Minor injuries · Limited investigation · Final report · Apr 26, 1999 · N906DS · Substantial damage
  > The pilot's improper preflight/in-flight planning and decision making, resulting in fuel supply exhaustion. A factor was the closed runway condition.
- [NTSB DEN99LA062](https://openairdocs.org/ntsb/DEN99LA062.md): Sly RV-6A · Payson, UT · Accident · No injuries · Limited investigation · Final report · Apr 2, 1999 · N80287 · Substantial damage
  > The development of carburetor ice resulting in a loss of engine power, and the inadequate carburetor heat shroud. Factors were the carburetor icing weather conditions, the kit manufacturer's inadequate carburetor heat shroud design, the FAA's inadequate…
- [NTSB DEN99LA048](https://openairdocs.org/ntsb/DEN99LA048.md): Piper PA-28-235 · Provo, UT · Accident · Serious injuries · Limited investigation · Final report · Mar 6, 1999 · N4312A · 2 aircraft · Destroyed
  > The pilot exercising poor judgment by ignoring proper procedures/directives, his intentional selection of the wrong runway for takeoff, and his failure to maintain an adequate visual lookout. Factors were his ostentatious display, the other airplane moving on…
- [NTSB DEN99LA039](https://openairdocs.org/ntsb/DEN99LA039.md): Cessna 172N · West Jordan, UT · Accident · No injuries · Limited investigation · Final report · Feb 16, 1999 · N734BE · Substantial damage
  > The pilot's failure to maintain directional control of the aircraft. Factors were his lack of recent flight experience, and his lack of experience in the make and model of aircraft.
- [NTSB DEN99TA031](https://openairdocs.org/ntsb/DEN99TA031.md): Hughes 369D · Woodruff, UT · Accident · No injuries · Final report · Jan 4, 1999 · N5013P · Substantial damage
  > A partial loss of engine power due to erosion in the compressor assembly module. Factors were a missing rotating labyrinth seal, the installation of which had not been performed by unknown maintenance personnel.

## 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") = 1999
  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=1999

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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.