# NTSB investigations, UT: Loss of engine power(total) - mech failure/malf 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 SEA06LA141](https://openairdocs.org/ntsb/SEA06LA141.md): Piper PA-32-300 · Grantsville, UT · Accident · No injuries · Limited investigation · Final report · Jul 7, 2006 · N56824 · Substantial damage > A lack of lubrication for undetermined reasons, which resulted in the failure of the Nos. 2, 3, 4, 5 and 6 connecting rods, a subsequent total loss of engine power during descent, which resulted in a forced landing. A factor in the accident was the soft sand. - [NTSB DEN05LA106](https://openairdocs.org/ntsb/DEN05LA106.md): Clarke YAK 3UR 2000 · Heber City, UT · Accident · Serious injuries · Limited investigation · Final report · Jul 9, 2005 · N134US · Substantial damage > loss of engine power due to a leaking carburetor and an inoperative float, and the pilot's failure to maintain aircraft control during the restart attempt. Contributing factors were the sudden engine power surge during the attempted restart, and unsuitable… - [NTSB DEN04LA105](https://openairdocs.org/ntsb/DEN04LA105.md): Mooney M20C · Escalante, UT · Accident · No injuries · Limited investigation · Final report · Jul 18, 2004 · N6773U · Substantial damage > the improper installation of an oil pan quick-drain fitting resulting in the loss of engine oil, failure of the engine, and subsequent impact with terrain following an attempted forced landing. A contributing factor was the lack of suitable terrain for a… - [NTSB DEN04LA098](https://openairdocs.org/ntsb/DEN04LA098.md): Cessna T210N · Spanish Fork, UT · Accident · No injuries · Limited investigation · Final report · Jul 5, 2004 · N5408A · Substantial damage > the improper reassembly of the engine following major overhaul (application of Permatex over entire crankcase surfaces). Contributing factors included the number 2 main bearing and crankshaft shifting forward, causing the alternator drive shaft and other… - [NTSB DEN04LA083](https://openairdocs.org/ntsb/DEN04LA083.md): Ayres S-2R · Beaver, UT · Accident · No injuries · Limited investigation · Final report · May 31, 2004 · N5686X · Substantial damage > the in-flight failure of the engine's P3 tube which resulted in the loss of engine power and the subsequent impact with terrain during a forced landing. Contributing factors include the lack of suitable terrain for a forced landing and the fence. - [NTSB DEN04LA044](https://openairdocs.org/ntsb/DEN04LA044.md): Cessna 152 · West Jordan, UT · Accident · No injuries · Limited investigation · Final report · Feb 12, 2004 · N66952 · Substantial damage > the failure of the exhaust valve for the engine's number one cylinder, resulting in the exhaust valve/piston contact and the subsequent total loss of engine power. Contributing factors include the lack of suitable terrain for a forced landing and the snow… - [NTSB DEN02LA055](https://openairdocs.org/ntsb/DEN02LA055.md): Cessna 175 · Salt Lake City, UT · Accident · Minor injuries · Limited investigation · Final report · Jun 16, 2002 · N7338M · Destroyed > total mechanical loss of engine power for reasons undetermined. Contributing factors were the lack of an annual inspection and the (forced landing in) salt water. - [NTSB DEN02LA028](https://openairdocs.org/ntsb/DEN02LA028.md): Piper PA-32R-300 · Ferron, UT · Accident · Minor injuries · Limited investigation · Final report · Feb 24, 2002 · N47465 · Destroyed > a loss of engine power due to the ingestion of foreign object(s) into the meshing of the gears, causing a malfunction of the magneto idler gear and failure of maintenance personnel to detect the signs of imminent failure during a mandatory oil filter… - [NTSB DEN01LA029](https://openairdocs.org/ntsb/DEN01LA029.md): Cessna 172E · Salt Lake City, UT · Accident · No injuries · Limited investigation · Final report · Dec 16, 2000 · N96024 · Substantial damage > the lack of suitable terrain for a forced landing. A factor was a total power loss due to a connecting rod failure. - [NTSB DEN00LA096](https://openairdocs.org/ntsb/DEN00LA096.md): Eiriavion PIK 20E · Hurricane, UT · Accident · No injuries · Limited investigation · Final report · May 27, 2000 · N35LP · Substantial damage > The complete loss of power due to the separation of the magneto ground lead and the rough and unsuitable terrain during the forced landing. - [NTSB DEN00LA069](https://openairdocs.org/ntsb/DEN00LA069.md): Hawkins & Powers UH-1B · Helper, UT · Accident · Minor injuries · Limited investigation · Final report · Apr 1, 2000 · N50330 · Destroyed > Total failure of the number 1 bearing due to lack of lubrication, the oil flow being restricted by a foreign object (epoxy hardener). Factors were trees and the unavailability of suitable terrain for a forced landing. - [NTSB DEN00LA064](https://openairdocs.org/ntsb/DEN00LA064.md): Johnson Zodiac CH 601 HDS · West Jordan, UT · Accident · Minor injuries · Limited investigation · Final report · Mar 24, 2000 · N984J · Destroyed > Total failure of an oil line fitting, resulting in oil exhaustion and subsequent engine seizure. Factors were the poor fitting installation by the pilot, and unsuitable terrain on which to make a forced landing. - [NTSB DEN00LA066](https://openairdocs.org/ntsb/DEN00LA066.md): Cessna 310C · Cedar City, UT · Accident · No injuries · Limited investigation · Final report · Mar 22, 2000 · N3311H · Substantial damage > The failure of the right engine mixture control cable, which prevented the pilot from restarting the engine. Contributing factors were the pilot's failure to follow procedures by not feathering the right propeller, the rough terrain, and the high vegetation. - [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 SEA96LA073](https://openairdocs.org/ntsb/SEA96LA073.md): Cessna 500 · Salt Lake City, UT · Accident · No injuries · Limited investigation · Final report · Apr 1, 1996 · N727TK · Substantial damage > fatigue failure of the engine compressor impeller. Inadequate quality control by the manufacturer was a related factor. - [NTSB SEA94LA099](https://openairdocs.org/ntsb/SEA94LA099.md): Luscombe 8E · Coalville, UT · Accident · No injuries · Limited investigation · Final report · Apr 13, 1994 · N2728K · Substantial damage > The failure of the connecting rod. Factors include the rough uneven terrain encountered during the forced landing. - [NTSB SEA94LA001](https://openairdocs.org/ntsb/SEA94LA001.md): Beech A35 · Heber City, UT · Accident · No injuries · Limited investigation · Final report · Oct 1, 1993 · N667B · Substantial damage > Fuel starvation brought on by the absence of the roll pin which engages the fuel selector handle to the fuel selector valve shaft, and the pilot in command's misjudging his flare resulting in a hard landing. - [NTSB SEA93LA150](https://openairdocs.org/ntsb/SEA93LA150.md): Hoopes Hummelbird · Salt Lake City, UT · Accident · No injuries · Limited investigation · Final report · Jul 8, 1993 · N2227S · Substantial damage > A fractured crankshaft. - [NTSB SEA92LA082](https://openairdocs.org/ntsb/SEA92LA082.md): Beech B36TC · Mona, UT · Accident · No injuries · Limited investigation · Final report · Apr 22, 1992 · N7252X · Substantial damage > A fatigue failure to the crankshaft and a manufacturing material defect. - [NTSB SEA92LA076](https://openairdocs.org/ntsb/SEA92LA076.md): Aerospatiale SA315B · Magna, UT · Accident · No injuries · Limited investigation · Final report · Apr 13, 1992 · N315DY · Substantial damage > The overheat of the engine combustion section, and the failure of the turbine blades. - [NTSB SEA92LA066](https://openairdocs.org/ntsb/SEA92LA066.md): Avid Mark IV · Soldier Summit, UT · Accident · No injuries · Limited investigation · Final report · Apr 1, 1992 · N582MK · Substantial damage > The fuel pump delivering too low fuel pressure. A factor contributing to the accident was the snow covered terrain. - [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 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 DEN89LA132](https://openairdocs.org/ntsb/DEN89LA132.md): Champion 7GCBC · Monticello, UT · Accident · Serious injuries · Limited investigation · Final report · Jun 4, 1989 · N7545F · Substantial damage > Inadequate preflight of the aircraft by the pilot which resulted in fuel exhaustion due to an inadequate supply of fuel. The terrain condition was considered to be a factor. - [NTSB DEN89LA008](https://openairdocs.org/ntsb/DEN89LA008.md): Cessna T210N · Price, UT · Accident · Minor injuries · Limited investigation · Final report · Oct 6, 1988 · N7335N · Substantial damage > The pilot was performing a business flight over mountainous terrain. About 1 hr into the flight, he noticed smoke or oil vapor in the cockpit. He saw oil on the lower cowling and wing and communicated his position and problem to the salt lake city ARTCC. The… - [NTSB DEN88LA046](https://openairdocs.org/ntsb/DEN88LA046.md): Hiller UH-12E · Vernal, UT · Accident · No injuries · Limited investigation · Final report · Jan 2, 1988 · N400AH · Substantial damage > The commercial plt and two passengers were surveying a road route in mountainous terrain. At cruise, the pilot noticed a drop in manifold pressure, followed by a loss of oil pressure. The plt reported that the engine quit. An autorotation to a snow covered… - [NTSB DEN88FA037](https://openairdocs.org/ntsb/DEN88FA037.md): Piper PA-28-161 · Draper, UT · Accident · 2 fatal · Field investigation · Final report · Dec 15, 1987 · N2138J · Destroyed > Drg a ngt flt to reposition the acft to its home base, the eng lost pwr as the plt was cruising at about 1000' AGL. He transmitted a 'mayday' call & maneuvered the acft to make a forced lndg on an interstate hiway. While apchg to lnd, the acft struck the top… - [NTSB DEN87LA241](https://openairdocs.org/ntsb/DEN87LA241.md): Cessna TU206G · Spanish Fork, UT · Accident · No injuries · Limited investigation · Final report · Sep 16, 1987 · N756HD · Destroyed > While cruising at 10,500 ft with the power set at 28 inches map & 2350 RPM, the eng suddenly lost pwr & began knocking. The plt noted a rapid drop in oil pressure & saw a 3-inch hole in the top of the eng cowling. He attempted to land on a highway, but was… - [NTSB DEN87FA134](https://openairdocs.org/ntsb/DEN87FA134.md): Piper PA-28RT-201T · Ogden, UT · Accident · Serious injuries · Field investigation · Final report · May 25, 1987 · N2888B · Destroyed > Acft departed rapid city, SD, en route to elko, NV. While in cruise flt in IMC at 12,000 ft, eng lost all pwr. Acft was over mountainous terrain and ATC issued plt vectors through canyon. Acft broke out of overcast at 8000 ft MSL (about 1500 ft AGL) and 6 mi… - [NTSB DEN85LA155](https://openairdocs.org/ntsb/DEN85LA155.md): Piper PA-25-235 · Fillmore, UT · Accident · No injuries · Limited investigation · Final report · Jun 9, 1985 · N7346Z · Substantial damage > The plt reported the engine failed while he was spraying a corn field, necessitating a straight ahead forced landing. During the landing roll the wheels bogged down in the soft earth and the plane overturned. Subsequent examination of theengine by the plt… - [NTSB DEN85LA094](https://openairdocs.org/ntsb/DEN85LA094.md): Enstrom F-28L · Salt Lake City, UT · Accident · No injuries · Limited investigation · Final report · Mar 14, 1985 · N51671 · Substantial damage > The acft eng lost pwr on final apch at aprx 100 ft AGL. The tail boom was severed during the autorotational landing on soft ground. Post accident exam of the eng revealed that the left magneto point gap was excessively closed. During eng test run, when the… - [NTSB DEN85LA029](https://openairdocs.org/ntsb/DEN85LA029.md): Cessna 182P · Snowville, UT · Accident · Minor injuries · Limited investigation · Final report · Nov 19, 1984 · N21037 · Destroyed > The acft nosed over during an off arpt forced landing after the engine failed in cruise flt. The engine was disassembledand examined on 12/3/84. The #3 and #4 piston rods were separated from their cranckshaft journals. Most of the rod bearings were worn. The… - [NTSB DEN84LA112](https://openairdocs.org/ntsb/DEN84LA112.md): Cessna 175 · Ogden, UT · Accident · No injuries · Limited investigation · Final report · Mar 29, 1984 · N7270M · Substantial damage > After takeoff, the eng began to smoke & lose power. During a forced landing in a muddy plowed field, the acft nosed over. A compression check was accomplished & the #5 cylinder was found to have zero compression. The cylinder was removed & found to be cracked… - [NTSB DEN84FTM01](https://openairdocs.org/ntsb/DEN84FTM01.md): Keith A Smith KR-2 · Salt Lake City, UT · Accident · 1 fatal · Final report · Feb 26, 1984 · N54KS · Destroyed > The acft collided with a mountain ridge in a flat'pancake'attitude,no evidence of foward motion was apparent and all thewreckage was confined to the immediate area. The wooden prop was intact with the exception of 2 inches missing from the end of one blade,… - [NTSB DEN83FA224](https://openairdocs.org/ntsb/DEN83FA224.md): Hughes 369D (500) · Provo, UT · Accident · No injuries · Field investigation · Final report · Sep 30, 1983 · N8693F · Substantial damage > The helicopter was on a test flt to track & balance the main rotor system & to complete a 100 hr inspection. Prior to the flt, an occasional flicker of the fuel filter light was noted, but it was thought to be a wiring problem. After taking off, the fuel… - [NTSB DEN83LA007](https://openairdocs.org/ntsb/DEN83LA007.md): Hiller UH-12C · Blanding, UT · Accident · No injuries · Limited investigation · Final report · Oct 12, 1982 · N5316V · Destroyed > The private single-engine pilot had a student helicopter certificate. He took off to hover and check that the helicopter was in good condition. He stated that before takeoff, the helicopter was fueled with a 5 gallon can that had been painted red. Before… - [NTSB DEN82FTM12](https://openairdocs.org/ntsb/DEN82FTM12.md): Quickie Rise · Ogden, UT · Accident · No injuries · Final report · May 29, 1982 · N23SR · Substantial damage > During takeoff, the engine lost power as the aircraft was climbing near the departure end of the runway. The aircraft was substantially damaged during a forced landing on rolling terrain with brush. An investigation revealed there was a loose screw holding a… ## 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."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 351) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?occurrence=351&state=UT --- 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.