# NTSB investigations, 2004: 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. Page 1 of 2 · 63 cases ## Latest cases - [NTSB CHI05FA048](https://openairdocs.org/ntsb/CHI05FA048.md): Beech S35 · Herman, WI · Accident · 2 fatal · Field investigation · Final report · Dec 25, 2004 · N5631K · Substantial damage > The installation of the improper cylinder base packing seals by maintenance personnel resulting in the loss of lubriation and subsequent failure of the number four connecting rod/bearing. A factor associated with the accident was the trees that the airplane… - [NTSB DFW05FA032](https://openairdocs.org/ntsb/DFW05FA032.md): Hughes 369D · Zachary, LA · Accident · Serious injuries · Field investigation · Final report · Dec 9, 2004 · N7148Z · Substantial damage > The loss of engine power as a result of fatigue cracking of the compressor adaptor coupling initiated by fretting on the pilot diameter and subsequent disconnection of the compressor from the turbine assembly. A contributing factor was the low operating… - [NTSB MIA05FA040](https://openairdocs.org/ntsb/MIA05FA040.md): Convair Div. of Gen. Dynamics 340 · N. Miami Beach, FL · Accident · No injuries · Field investigation · Final report · Dec 4, 2004 · N41626 · Substantial damage > The improper maintenance of the left engine by company maintenance personnel (failure to flush metal from the oil system and failure to properly preserve the engine for storage) resulting in a total failure of the master rod bearing and contamination of the… - [NTSB CHI05CA032](https://openairdocs.org/ntsb/CHI05CA032.md): Olson Sonex · Oconomowoc, WI · Accident · Serious injuries · Data collection · Final report · Nov 21, 2004 · N478SX · Substantial damage > The loss of engine power due to a fatigue fracture of the crankshaft. An additional cause to the accident was the pilot/builder's failure to verify the dimensions of the shrink-fit crankshaft components prior reassembling the engine. A factor to the accident… - [NTSB ATL05LA026](https://openairdocs.org/ntsb/ATL05LA026.md): Golden Circle Air T-Bird II · Dunlap, TN · Accident · Serious injuries · Limited investigation · Final report · Nov 18, 2004 · UNREG · Substantial damage > The pilot's improper flare during forced landing following a loss of engine power for undetermined reasons, which resulted in a hard landing. A factor was the separation of a fuel line, which resulted in fuel starvation to the engine. - [NTSB IAD05FA012](https://openairdocs.org/ntsb/IAD05FA012.md): Cessna P210 · Paint Lick, KY · Accident · 1 fatal · Field investigation · Final report · Nov 12, 2004 · N6539P · Destroyed > Improper alignment of a turbocharger oil line, which resulted in wear damage through the hose wall and a subsequent loss of engine oil. Contributing to the accident was the low cloud ceiling. - [NTSB CHI05LA019](https://openairdocs.org/ntsb/CHI05LA019.md): Piper PA-24 · Buffalo Grove, IL · Accident · Serious injuries · Limited investigation · Final report · Oct 29, 2004 · N6764P · Substantial damage > Fatigue fracture of the engine crankshaft during initial climb after takeoff resulting in a complete loss of engine power. Contributing factors were the trees and the highway. - [NTSB MIA05LA016](https://openairdocs.org/ntsb/MIA05LA016.md): Cessna T210N · Raymond, MS · Accident · Minor injuries · Limited investigation · Final report · Oct 27, 2004 · N6108Y · Destroyed > The total loss of engine power which was initiated by fretting of the crankcase halves for undetermined reasons, causing rotation of several of the main bearings, oil starvation, and subsequent failure of several of the connecting rods. A contributing factor… - [NTSB ATL05FA013](https://openairdocs.org/ntsb/ATL05FA013.md): Beech BE-60 · Asheville, NC · Accident · 4 fatal · Field investigation · Final report · Oct 27, 2004 · N611JC · Substantial damage > The pilot's failure to follow emergency procedures and to maintain airspeed following a loss of engine power during takeoff, which resulted in an inadvertent stall/spin and subsequent uncontrolled impact with terrain. Contributing to the cause was inadequate… - [NTSB LAX05TA018](https://openairdocs.org/ntsb/LAX05TA018.md): Hughes OH-6A · Tucson, AZ · Accident · Serious injuries · Final report · Oct 25, 2004 · N6188L · Destroyed > The loss of engine power due to a fatigue fracture of the PC line from the governor to fuel control, resulting from fretting damage induced by excessive vibration, which was due to the failure of maintenance personnel to install the proper bearings in the… - [NTSB ATL05LA007](https://openairdocs.org/ntsb/ATL05LA007.md): Piper PA-32RT-300T · Guntersville, AL · Accident · Serious injuries · Limited investigation · Final report · Oct 21, 2004 · N19TL · Substantial damage > Total loss of engine power due to engine oil contamination, engine oil starvation, and multiple connecting rod bearing failures. - [NTSB DFW05LA009](https://openairdocs.org/ntsb/DFW05LA009.md): Cessna 150L · Denton, TX · Accident · No injuries · Limited investigation · Final report · Oct 19, 2004 · N6870G · Substantial damage > The loss of engine power due to the separation of the accessory drive gear bolts, and the failure of the starter-clutch assembly. A contributing factor was the lack of suitable terrain for the forced landing. - [NTSB NYC05FA005](https://openairdocs.org/ntsb/NYC05FA005.md): Piper PA-28-161 · Madison, CT · Accident · 2 fatal · Field investigation · Final report · Oct 11, 2004 · N233PA · Substantial damage > A loss of engine power due to separation of the propeller due to under-torqued retention bolts. - [NTSB FTW04CA246](https://openairdocs.org/ntsb/FTW04CA246.md): Grumman G-164A · Gilbert, LA · Accident · No injuries · Data collection · Final report · Sep 28, 2004 · N8661H · Substantial damage > The failure of a piston connecting rod for undetermined reasons resulting in the loss of engine power. A contributing factor was the lack of suitable terrain for the forced landing. - [NTSB CHI04LA280](https://openairdocs.org/ntsb/CHI04LA280.md): Cessna T210L · Kingman, KS · Accident · Serious injuries · Limited investigation · Final report · Sep 27, 2004 · N2027S · Substantial damage > The lack of engine oil due to the mechanic's improper maintenance in not securing the loose "B" nut for the oil pressure line to the turbocharger leading to the loss of engine power while maneuvering. An additional cause was the unsuitable terrain the pilot… - [NTSB NYC04LA214](https://openairdocs.org/ntsb/NYC04LA214.md): Ryan ST3KR · Bealeton, VA · Accident · Serious injuries · Limited investigation · Final report · Sep 19, 2004 · N57015 · Substantial damage > The improper installation of fuel lines by maintenance personnel resulting in a total loss of engine power. - [NTSB CHI04LA283](https://openairdocs.org/ntsb/CHI04LA283.md): Cessna 172M · Houstonia, MO · Accident · Minor injuries · Limited investigation · Final report · Sep 18, 2004 · N80237 · Substantial damage > The fatigue failure of the piston end of the connecting rod and the pilot's failure to maintain aircraft control during the forced landing. - [NTSB FTW04LA238](https://openairdocs.org/ntsb/FTW04LA238.md): Piper PA-31-350 · Sweeny, TX · Accident · No injuries · Limited investigation · Final report · Sep 14, 2004 · N555MC · Substantial damage > The fracture failure of the left engine crankshaft for undetermined reasons. - [NTSB SEA04LA189](https://openairdocs.org/ntsb/SEA04LA189.md): Cessna P206A · Clearwater, ID · Accident · No injuries · Limited investigation · Final report · Sep 13, 2004 · N4661F · Substantial damage > A loss of engine power due to fatigue crack propagation of the number three piston pin while in cruise flight, leading to a power off forced landing in an open field. Factors include soft uphill terrain. - [NTSB MIA04LA127](https://openairdocs.org/ntsb/MIA04LA127.md): Mooney M20F · Brandon, MS · Accident · No injuries · Limited investigation · Final report · Sep 5, 2004 · N9708M · Substantial damage > A loss of engine power due to the fatigue failure of all studs and/or thru-bolts of the No. 3 cylinder for undetermined reasons causing separation of the cylinder. Contributing to the accident was the unsuitable terrain encountered by the pilot. - [NTSB NYC04LA201](https://openairdocs.org/ntsb/NYC04LA201.md): PZL 101 · Chazy, NY · Accident · No injuries · Limited investigation · Final report · Aug 31, 2004 · N123LZ · Substantial damage > The total loss of engine power due to the fractured crankshaft. - [NTSB FTW04LA227](https://openairdocs.org/ntsb/FTW04LA227.md): Grumman 164B · East Bernard, TX · Accident · No injuries · Limited investigation · Final report · Aug 31, 2004 · N8222K · Substantial damage > The loss of engine power as result of the failure of the number four cylinder. A factor was the lack of suitable terrain for the forced landing. - [NTSB LAX04IA311](https://openairdocs.org/ntsb/LAX04IA311.md): Sikorsky S-70A · Pacoima, CA · Incident · No injuries · Incident investigation · Final report · Aug 30, 2004 · N160LA · Minor damage > the failure of the operator's mechanics to install the turboshaft engine's forward curvic seal during a gas generator turbine (GGT) replacement. Contributing factors to the incident were the failure of the manufacturer to provide a forward curvic seal with… - [NTSB LAX04LA292](https://openairdocs.org/ntsb/LAX04LA292.md): American Champion 7ECA · Manchester, CA · Accident · No injuries · Limited investigation · Final report · Aug 15, 2004 · N11037 · Substantial damage > maintenance personnel's failure to adequately torque the top spark plug on the number one cylinder, which resulted in a separation of that plug and a loss of engine power. - [NTSB CHI04FA203](https://openairdocs.org/ntsb/CHI04FA203.md): Knoepflein Lancair Legacy 2000 · Madison, WI · Accident · 1 fatal · Field investigation · Final report · Aug 1, 2004 · N98SN · Destroyed > A loss of engine power due to high engine temperatures which resulted in a failure of the number three piston, the pilot's continued operation of the airplane with known high temperature problems, the pilot's poor inflight planning, and the pilot's failure to… - [NTSB LAX04LA280](https://openairdocs.org/ntsb/LAX04LA280.md): Piper PA-32RT-300 · Ontario, CA · Accident · No injuries · Limited investigation · Final report · Jul 25, 2004 · N5GC · Substantial damage > a catastrophic engine failure due to the overheating of a connecting rod bearing, and the resulting failure of the rod, for undetermined reasons. - [NTSB DEN04LA107](https://openairdocs.org/ntsb/DEN04LA107.md): Cessna P210N · Douglas, WY · Accident · No injuries · Limited investigation · Final report · Jul 20, 2004 · N7736K · Substantial damage > the failure of the engine's crankshaft due to the rotation of the engine's number two bearing, which resulted in the oil starvation of the crankshaft's number 2 main journal. Contributing factors include the engine's improper maintenance, and the in-flight… - [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 CHI04LA185](https://openairdocs.org/ntsb/CHI04LA185.md): Varga 2150A · Winterset, IA · Accident · Serious injuries · Limited investigation · Final report · Jul 17, 2004 · N8422J · Substantial damage > The inadequate supervision by the certified flight instructor, fuel starvation, visual/aural detection precluded by the certified flight instructor's seat position, and the inadequate crew coordination of both pilots during the instructional flight. A… - [NTSB ATL04LA157](https://openairdocs.org/ntsb/ATL04LA157.md): Beech A45 · LaGrange, GA · Accident · Minor injuries · Limited investigation · Final report · Jul 16, 2004 · N134BH · Substantial damage > The maintenance personnel under-torquing of the crankcase throughbolts during top overhaul, which resulted in crankcase fretting, and the subsequent fatigue failure of the crankshaft at the No. 4 main journal. A factor was the lack of suitable terrain for… - [NTSB LAX04LA257](https://openairdocs.org/ntsb/LAX04LA257.md): Ercoupe 415-C · Castaic, CA · Accident · No injuries · Limited investigation · Final report · Jul 10, 2004 · N2542H · Substantial damage > a catastrophic engine failure due to oil exhaustion, which was caused by the failure of maintenance personnel to completely tighten the oil screen. - [NTSB CHI04LA181](https://openairdocs.org/ntsb/CHI04LA181.md): Beech BE-N35 · Austin, MN · Accident · No injuries · Limited investigation · Final report · Jul 9, 2004 · N80HL · Substantial damage > The loss of engine power due to the fatigue fracture of the piston pin plug that lead to engine oil starvation/exhaustion and the subsequent overload fracture of the piston rod and crankcase. - [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 CHI04LA187](https://openairdocs.org/ntsb/CHI04LA187.md): Beech A36 · Algona, IA · Accident · No injuries · Limited investigation · Final report · Jul 2, 2004 · N3248T · Substantial damage > The failure of the connecting rod which resulted in the loss of engine power during cruise flight and subsequent forced landing. A contributing factor was the delayed lowering of the landing gear in order to clear the other vehicle encountered during the… - [NTSB LAX04LA251](https://openairdocs.org/ntsb/LAX04LA251.md): Socata TB-20 · Perris, CA · Accident · No injuries · Limited investigation · Final report · Jun 28, 2004 · N110U · Substantial damage > A loss of engine power due to oil exhaustion as a result of the mechanic's use of an incorrect gasket during the installation of the vacuum pump. - [NTSB CHI04CA162](https://openairdocs.org/ntsb/CHI04CA162.md): Air Tractor AT-401 · Britton, SD · Accident · No injuries · Data collection · Final report · Jun 23, 2004 · N1013N · Substantial damage > The loss of engine power due to a stuck exhaust valve and the unsuitable terrain encountered during the forced landing. A factor to the accident was the soft terrain condition. - [NTSB MIA04LA099](https://openairdocs.org/ntsb/MIA04LA099.md): North American T-28C · Deland, FL · Accident · No injuries · Limited investigation · Final report · Jun 20, 2004 · N28BZ · Substantial damage > A loss of engine power due to an engine master rod bearing failure for undetermined reasons, resulting in damage to the airplane during the subsequent forced landing. - [NTSB LAX04LA232](https://openairdocs.org/ntsb/LAX04LA232.md): Beech S35 · Flagstaff, AZ · Accident · No injuries · Limited investigation · Final report · Jun 5, 2004 · N6127Q · Substantial damage > oil exhaustion due to a leak from the bottom oil drain line gasket and o-ring for the turbo charger. - [NTSB CHI04LA147](https://openairdocs.org/ntsb/CHI04LA147.md): North American T-28C · Manitowoc, WI · Accident · No injuries · Limited investigation · Final report · Jun 4, 2004 · N404DK · Substantial damage > Failure of the number 4 piston articulating rod resulting in a complete loss of engine power during initial climb. The ditch was a contributing factor. - [NTSB CHI04LA144](https://openairdocs.org/ntsb/CHI04LA144.md): Beech M35 · Strafford, MO · Accident · No injuries · Limited investigation · Final report · Jun 3, 2004 · N693V · Substantial damage > The improper installation of the cylinder during the engine overhaul which resulted in the fatigue failure of the cylinder studs and through-bolts and the subsequent separation of the cylinder. Factors associated with the accident were the fence and the guy… - [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 LAX04LA229](https://openairdocs.org/ntsb/LAX04LA229.md): Simmons BD-5 · Goodyear, AZ · Accident · No injuries · Limited investigation · Final report · May 29, 2004 · N501BD · Substantial damage > The overheating and failure of the number 4 connecting rod, which resulted in a total loss of engine power during descent. - [NTSB CHI04LA128](https://openairdocs.org/ntsb/CHI04LA128.md): North American P-51C · Hager City, WI · Accident · 1 fatal · Limited investigation · Final report · May 29, 2004 · N61429 · Substantial damage > The improper installation of the camshaft drive gear assembly which resulted in the retaining nut backing off allowing the drive gear to move up the shaft. A factor associated with the accident was the low altitude at which the power loss occurred and the… - [NTSB LAX04LA228](https://openairdocs.org/ntsb/LAX04LA228.md): Wilson Avid Bandit · Paso Robles, CA · Accident · Minor injuries · Limited investigation · Final report · May 28, 2004 · N55368 · Substantial damage > the loss of engine power during takeoff climb due to a cold seizure of the rear cylinder. - [NTSB CHI04CA142](https://openairdocs.org/ntsb/CHI04CA142.md): Kauffman Bede IV · Acme, MI · Accident · No injuries · Data collection · Final report · May 26, 2004 · N115PK · Substantial damage > Engine oil starvation and inadequate maintenance by the pilot. - [NTSB LAX04TA202](https://openairdocs.org/ntsb/LAX04TA202.md): Bell OH-58A+ · Bakersfield, CA · Accident · No injuries · Final report · May 4, 2004 · N397E · Substantial damage > loss of engine power due to the separation of the diaphragm portion of the repaired second-stage turbine nozzle from the rim portion due to the use of an inadequate cleaning method to clean the joint prior to the braze repair during overhaul by the… - [NTSB DEN04FA064](https://openairdocs.org/ntsb/DEN04FA064.md): Cessna 150H · Boulder, CO · Accident · Minor injuries · Field investigation · Final report · Apr 18, 2004 · N105DP · Substantial damage > the failed magneto and the lack of suitable terrain (lake) for a forced landing. - [NTSB FTW04LA110](https://openairdocs.org/ntsb/FTW04LA110.md): Cessna 175B · Locust Grove, OK · Accident · Minor injuries · Limited investigation · Final report · Apr 16, 2004 · N8172T · Substantial damage > The improper installation of the generator, which resulted in oil starvation. A factor was the unsuitable terrain. - [NTSB NYC04LA105](https://openairdocs.org/ntsb/NYC04LA105.md): Piper PA-46-310P · Taylor, PA · Accident · No injuries · Limited investigation · Final report · Apr 13, 2004 · N861DD · Substantial damage > The failure of the number 2 connecting rod, after a main bearing shift, which resulted in a catastrophic engine failure. - [NTSB MIA04LA067](https://openairdocs.org/ntsb/MIA04LA067.md): Cessna 206 · Clewiston, FL · Accident · No injuries · Limited investigation · Final report · Apr 10, 2004 · N5019U · Substantial damage > The failure of the No. 2 cylinder connecting rod for undetermined reasons, and the failure of one of the connecting rod bolts due to tension overload resulting in the total loss of engine power and subsequent collision with a ditch during the forced landing. Next page: https://openairdocs.org/ntsb.md?year=2004&occurrence=351&page=2 ## 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") = 2004 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&year=2004 --- 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.