# NTSB investigations, 1998, 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 DEN99FA029](https://openairdocs.org/ntsb/DEN99FA029.md): Piper PA-24-180 · West Jordan, UT · Accident · 2 fatal · Field investigation · Final report · Dec 31, 1998 · N7283P · Destroyed > The pilot's poor judgement by intentionally flying into instrument meteorological conditions without proper certification. Factors were the resulting spatial disorientation, the pilot's failure to maintain control of the aircraft, the in-flight wing… - [NTSB DEN99LA018](https://openairdocs.org/ntsb/DEN99LA018.md): Piper PA28-181 · Tooele, UT · Accident · Minor injuries · Limited investigation · Final report · Oct 29, 1998 · N3034B · Destroyed > The pilot's VFR flight into IMC and his failure to maintain adequate terrain clearance. Contributng factors were fog, low ceilings, high terrain, the pilot's lack of familiarity with the geographic environment and his misinterpretation of terrain features on… - [NTSB DEN99LA007](https://openairdocs.org/ntsb/DEN99LA007.md): Cessna 210A · Provo, UT · Accident · No injuries · Limited investigation · Final report · Oct 10, 1998 · N9449X · Substantial damage > The pilot's abrupt throttle control movement that caused the engine to flood, and his failure to follow emergency procedures contained in the Airplane Flight Manual. Factors were increasing the mixture control to full rich and switching the fuel pump to high… - [NTSB DEN99LA002](https://openairdocs.org/ntsb/DEN99LA002.md): Bell 206B · Vernal, UT · Accident · No injuries · Limited investigation · Final report · Oct 3, 1998 · N992SM · Substantial damage > Loss of tail rotor effectiveness. A factor was the quartering tailwind. - [NTSB FTW98LA405](https://openairdocs.org/ntsb/FTW98LA405.md): Bell UH-1L · Price, UT · Accident · Minor injuries · Limited investigation · Final report · Sep 19, 1998 · N5107J · Substantial damage > The pilot's inadvertent loss of tail rotor effectiveness. Factors were the high density altitude flight conditions, the unfavorable wind condition, and the none suitable terrain for an autorotation. - [NTSB FTW98LA404](https://openairdocs.org/ntsb/FTW98LA404.md): Piper PA-28RT-201T · Duck Creek, UT · Accident · No injuries · Limited investigation · Final report · Sep 18, 1998 · N8252S · Substantial damage > Loose intake valve rocker arm studs that allowed a loss of compression and a loss of oil. A factor was unsuitable terrain on which to make a forced landing and poles next to a cattle guard. - [NTSB FTW98FA399](https://openairdocs.org/ntsb/FTW98FA399.md): Cessna 172N · Montezuma Crk, UT · Accident · 1 fatal · Field investigation · Final report · Sep 14, 1998 · N737NH · Destroyed > The pilot's attempted aerobatic maneuver and the subsequent inadvertent stall/spin. A factor was his intentional low altitude flight. - [NTSB FTW98FA384](https://openairdocs.org/ntsb/FTW98FA384.md): Cessna 172 · West Jordan, UT · Accident · 2 fatal · Field investigation · Final report · Sep 3, 1998 · N8232B · Destroyed > The pilot's failure to maintain proper airport traffic pattern altitude. Factors were night lighting conditions and the unseen static line. - [NTSB FTW98LA370](https://openairdocs.org/ntsb/FTW98LA370.md): Piper PA-28-180 · Hurricane, UT · Accident · No injuries · Limited investigation · Final report · Aug 22, 1998 · N4760L · Substantial damage > The pilot inadvertently inducing a porpoise oscillation, and his failure to maintain directional control. A factor was the excessive landing airspeed. - [NTSB FTW98LA373](https://openairdocs.org/ntsb/FTW98LA373.md): Cessna 182L · St. George, UT · Accident · No injuries · Limited investigation · Final report · Aug 16, 1998 · N42631 · Substantial damage > The pilot's failure to maintain control of the airplane. Factors were excessive airspeed and allowing the airplane to porpoise with subsequent loss of directional control. - [NTSB FTW98LA369](https://openairdocs.org/ntsb/FTW98LA369.md): Piper PA-34-200T · Blanding, UT · Accident · No injuries · Limited investigation · Final report · Aug 13, 1998 · N6935C · Substantial damage > The pilot's inadequate landing flare, causing components of the nose wheel landing gear to fracture. - [NTSB FTW98LA352](https://openairdocs.org/ntsb/FTW98LA352.md): Piper PA-28-161 · Huntsville, UT · Accident · Serious injuries · Limited investigation · Final report · Aug 8, 1998 · N54TM · Destroyed > The flight instructor's failure to ensure adequate altitude/clearance with terrain, resulting in an encounter with a downdraft, loss of airspeed, onset of a stall/mush, and collision with high terrain.. Contributing factors were high density altitude,… - [NTSB FTW98LA342](https://openairdocs.org/ntsb/FTW98LA342.md): Enstrom F-28F · Bryce Canyon, UT · Accident · No injuries · Limited investigation · Final report · Aug 4, 1998 · N8619M · Substantial damage > A partial loss of engine power due to an oil leak in the turbocharger system. Factors were high vegetation and high density altitude. - [NTSB FTW98LA331](https://openairdocs.org/ntsb/FTW98LA331.md): Cessna TU206G · Midvale, UT · Accident · No injuries · Limited investigation · Final report · Jul 25, 1998 · N102AK · Substantial damage > The pilot's inadequate fuel management which resulted in fuel exhaustion and subsequent loss of engine power. - [NTSB FTW98FA325](https://openairdocs.org/ntsb/FTW98FA325.md): Commander 114TC · West Jordan, UT · Accident · 1 fatal · Field investigation · Final report · Jul 18, 1998 · N61174 · Destroyed > A brittle fracture of the clamp that joins the exhaust pipe to the turbocharger. The pipe separated and hot exhaust gases escaped into the engine compartment. The engine lost power due to the high heat vaporizing fuel in the fuel line. Factors were inadequate… - [NTSB FTW98LA326](https://openairdocs.org/ntsb/FTW98LA326.md): Rolladen-Schneider LS 4A · Salina, UT · Accident · No injuries · Limited investigation · Final report · Jul 14, 1998 · N41MN · Substantial damage > The pilot's selection of unsuitable terrain to conduct a landing. Contributing was the loss of thermal lift and high vegetation. - [NTSB FTW98LA297](https://openairdocs.org/ntsb/FTW98LA297.md): Peebles/Lancair 360 LC-20 · Price, UT · Accident · No injuries · Limited investigation · Final report · Jul 12, 1998 · N360P · Substantial damage > The pilot's excessive descent rate on final approach and his delayed use of power to arrest the excessive descent rate. - [NTSB FTW98FA276](https://openairdocs.org/ntsb/FTW98FA276.md): Beech A36 · Nephi, UT · Accident · 2 fatal · Field investigation · Final report · Jun 20, 1998 · N3861K · Destroyed > The improper installation of the turbocharger exhaust stack by unknown maintenance personnel and the subsequent fire in the engine compartment due to the exhaust gas leak from the turbocharger. Factors were the total loss of engine power due to fuel line… - [NTSB FTW98LA262](https://openairdocs.org/ntsb/FTW98LA262.md): Rolladen-Schneider LS-6A · Green River, UT · Accident · Serious injuries · Limited investigation · Final report · Jun 11, 1998 · N511M · Substantial damage > The pilot's failure to maintain airspeed. Factor's were the unforecasted weather (tail wind) and the inadvertent stall/spin. - [NTSB FTW98LA241](https://openairdocs.org/ntsb/FTW98LA241.md): Mader WAG-AERO 2+2 · Hurricane, UT · Accident · No injuries · Limited investigation · Final report · May 24, 1998 · N6272A · Substantial damage > An encounter with high vegetation and unsuitable terrain during a forced landing. A factor was a partial failure of the engine's exhaust stack during flight. - [NTSB FTW98LA237](https://openairdocs.org/ntsb/FTW98LA237.md): Cessna 170A · Provo, UT · Accident · No injuries · Limited investigation · Final report · May 24, 1998 · N9732A · Substantial damage > failure of the pilot to maintain directional control of the airplane. A related factor was the right quartering tailwind gust. - [NTSB FTW98LA236](https://openairdocs.org/ntsb/FTW98LA236.md): Grumman G-164 · Huntington, UT · Accident · No injuries · Limited investigation · Final report · May 23, 1998 · N744Y · Substantial damage > The pilot's failure to maintain adequate airspeed. - [NTSB FTW98LA220](https://openairdocs.org/ntsb/FTW98LA220.md): Cessna 172P · Monument Valley, UT · Accident · Minor injuries · Limited investigation · Final report · May 17, 1998 · N65759 · Substantial damage > The pilot's failure to maintain directional control of the aircraft during landing. Factors were gusty, crosswind conditions, the pilot's lack of experience in type of operation and geographic area, mountainous terrain, and high density altitude. - [NTSB FTW98LA223](https://openairdocs.org/ntsb/FTW98LA223.md): AS+ AC-4 · Cedar Fort, UT · Accident · Serious injuries · Limited investigation · Final report · May 16, 1998 · N158R · Destroyed > Failure by the pilot to maintain control of the aircraft. A factor was lack of experience in make and model. - [NTSB FTW98LA221](https://openairdocs.org/ntsb/FTW98LA221.md): Piper PA-25-260D · Richfield, UT · Accident · Serious injuries · Limited investigation · Final report · May 16, 1998 · N9754P · Destroyed > the pilot's improper planning/decision, which resulted in fuel exhaustion and loss of engine power; and his failure to maintain adequate airspeed, while maneuvering for a forced landing, which resulted in an inadvertent stall and collision with the terrain. - [NTSB FTW98LA214](https://openairdocs.org/ntsb/FTW98LA214.md): Stinson 108-1 · Salt Lake City, UT · Accident · Minor injuries · Limited investigation · Final report · May 10, 1998 · N8178K · Destroyed > The pilot's inadequate compensation for winds while taxing. A factor was gusty, high wind conditions. - [NTSB FTW98FA190](https://openairdocs.org/ntsb/FTW98FA190.md): Cessna 150H · Parowan, UT · Accident · 2 fatal · Field investigation · Final report · Apr 23, 1998 · N50385 · Destroyed > The pilot's failure to maintain sufficient airspeed and the subsequent inadvertent stall/spin. Factors were the high density altitude, the high, gusty wind condition, and the diverted attention of the pilot. - [NTSB FTW98LA180](https://openairdocs.org/ntsb/FTW98LA180.md): Cessna A152 · Brigham City, UT · Accident · No injuries · Limited investigation · Final report · Apr 10, 1998 · N758YT · Substantial damage > failure of the pilot to maintain directional control of the airplane during a touch and go landing. Related factors were: the pilot allowed his attention to be diverted into the cockpit for an excessive amount of time, and the encounter with a ditch. - [NTSB FTW98FA157](https://openairdocs.org/ntsb/FTW98FA157.md): Cessna T207A · Monument Valley, UT · Accident · Serious injuries · Field investigation · Final report · Mar 24, 1998 · N73780 · Substantial damage > The engine's total power loss due to the induction air ducting separating because of inadequate maintenance by company personnel. Factors were the failure of the manufacturer to provide non-standard operating procedures in their airplane's information manual,… - [NTSB FTW98LA155](https://openairdocs.org/ntsb/FTW98LA155.md): Zito ZMI-A · Ogden, UT · Accident · Minor injuries · Limited investigation · Final report · Mar 21, 1998 · N669Z · Substantial damage > the improper placement of lead ballast by the pilot, resulting in an improper balance of the airplane; and the pilot's excessive control input to correct a nose high attitude, resulting in ground impact. - [NTSB FTW98LA150](https://openairdocs.org/ntsb/FTW98LA150.md): Piper PA-34-200 · Ogden, UT · Accident · No injuries · Limited investigation · Final report · Mar 12, 1998 · N83DA · Substantial damage > the student pilot not understanding the crew briefing, his premature retraction of the landing gear, and the flight instructor's inadequate supervision of the flight. A factor relating to the accident was: the exchange of unclear information due to the… - [NTSB FTW98LA120](https://openairdocs.org/ntsb/FTW98LA120.md): Cessna 210A · Morgan, UT · Accident · No injuries · Limited investigation · Final report · Feb 4, 1998 · N9489X · Substantial damage > failure of the pilot to maintain control of the aircraft, which resulted in an inadvertent ground swerve. A related factor was the lack of experience in the make and model of aircraft. - [NTSB FTW98GA097](https://openairdocs.org/ntsb/FTW98GA097.md): Bell 47G-3B-2 · Spanish Fork, UT · Accident · 1 fatal · Final report · Jan 14, 1998 · N1461W · Substantial damage > A total loss of power due to repeated engine overspeeds. A related factor was unsuitable terrain. - [NTSB FTW98FA093](https://openairdocs.org/ntsb/FTW98FA093.md): Bell 222UT · Sandy, UT · Accident · 4 fatal · Field investigation · Final report · Jan 12, 1998 · N222UH · Destroyed > flight by the pilot into known adverse weather conditions, and his failure (or inability) to maintain sufficient clearance or altitude from mountainous terrain. Related factors were: darkness, heavy snow, high winds, the pilot's perception of pressure that… - [NTSB FTW98FA086](https://openairdocs.org/ntsb/FTW98FA086.md): Piper PA-38-112 · Tremonton, UT · Accident · 1 fatal · Field investigation · Final report · Jan 4, 1998 · N23371 · Destroyed > The pilot's continued VFR flight into instrument meteorological conditions, becoming spatially disoriented and his subsequent loss of aircraft control. Factors were the dark night and weather conditions that included obscuration and snow. ## 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") = 1998 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=1998 --- 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.