NTSB investigations: Continental TSIO-520 series

62 cases on aircraft whose registry engine model is Continental TSIO-520 series, where the first occurrence was “Loss of engine power(total) - mech failure/malf”. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Cases per year

19822026
NTSB investigations: Continental TSIO-520 series per year, 1982–2026: 62 cases
19822
19832
19841
19853
19866
19872
19881
19891
19903
19912
19923
19933
19944
19951
19962
19973
19982
19991
20002
20013
20021
20032
20045
20052
20064
20071

Latest cases

Query with SQL
duckdb -csv -c "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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17040')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 351))
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB DEN08IA044Incident · No injuriesIncident investigationFinal reportPiper PA-46-310P · Aspen, COThe failure of the crankshaft due to fatigue. The fatigue crack initiation was not determined.Dec 26, 2007 · N47BC · Minor damageNTSB ANC06LA144Accident · No injuriesLimited investigationFinal reportCessna TU206A · Juneau, AKThe separation of the number 6 cylinder assembly from the engine during cruise flight, which resulted in a hard forced landing in rough ocean swells. A factor contributing to the accident was the rough ocean swells.Oct 1, 2006 · N206AK · Substantial damageNTSB MIA06LA121Accident · No injuriesLimited investigationFinal reportCessna T210 · Crestview, FLSpinning of the crankshaft No. 2 main bearing for undetermined reasons resulting in damage to the aft cheek of the No. 2 main bearing journal and fatigue failure of the crankshaft.Jul 15, 2006 · N5266Y · Substantial damageNTSB LAX06LA094Accident · Minor injuriesLimited investigationFinal reportCessna T210N · Mariposa, CAThe failure of the maintenance personnel to follow the procedures in the TCM maintenance manual and adequately torque the engine through-bolts, which led to the separation of the No. 6 cylinder and the catastrophic failure of the engine.Jan 24, 2006 · N4791C · Substantial damageNTSB DFW06CA050Accident · No injuriesData collectionFinal reportCessna T210 · Midland, TXThe loss of engine power due to a connecting rod failure. Contributing factors were the dark night conditions and the lack of suitable terrain for the forced landing.Jan 5, 2006 · N5279A · Substantial damageNTSB NYC05LA074Accident · Minor injuriesLimited investigationFinal reportBeech A36TC · Southbury, CTThe failure of the counter weight aft snap ring to hold the associated plate and pin in place, which resulted in a total loss of engine power.Apr 20, 2005 · N3810X · Substantial damageNTSB LAX05LA136Accident · Serious injuriesLimited investigationFinal reportCessna T210M · Phoenix, AZa loss of power for undetermined reasons.Apr 13, 2005 · N732SY · Substantial damageNTSB IAD05FA012Accident · 1 fatalField investigationFinal reportCessna P210 · Paint Lick, KYImproper 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.Nov 12, 2004 · N6539P · DestroyedNTSB MIA05LA016Accident · Minor injuriesLimited investigationFinal reportCessna T210N · Raymond, MSThe 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…Oct 27, 2004 · N6108Y · DestroyedNTSB DEN04LA107Accident · No injuriesLimited investigationFinal reportCessna P210N · Douglas, WYthe 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…Jul 20, 2004 · N7736K · Substantial damageNTSB DEN04LA098Accident · No injuriesLimited investigationFinal reportCessna T210N · Spanish Fork, UTthe 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…Jul 5, 2004 · N5408A · Substantial damageNTSB NYC04LA105Accident · No injuriesLimited investigationFinal reportPiper PA-46-310P · Taylor, PAThe failure of the number 2 connecting rod, after a main bearing shift, which resulted in a catastrophic engine failure.Apr 13, 2004 · N861DD · Substantial damageNTSB MIA03LA160Accident · No injuriesLimited investigationFinal reportCessna T210M · Hialeah, FLSpinning of the crankshaft No. 2 main bearing for undetermined reasons resulting in damage to the aft cheek of the No. 2 main bearing journal, fatigue failure of the crankshaft cheek, failure of the engine in cruise flight, and damage to the airplane during…Aug 10, 2003 · N86PH · Substantial damageNTSB MIA03FA141Accident · 2 fatalClass 1 · FieldFinal reportCessna 402C · Treasure Cay, Bahamasthe in-flight failure of the right engine and the pilot’s failure to adequately manage the airplane’s performance after the engine failed. The right engine failure resulted from inadequate maintenance that was performed by Air Sunshine’s maintenance personnel…Jul 13, 2003 · N314AB · Substantial damageNTSB LAX02FA163Accident · 2 fatalField investigationFinal reportCessna T210M · Groveland, CAa catastrophic engine failure due to the fatigue fracture and failure of the crankshaft. A factor contributing to the accident was the unsuitable nature of the mountainous terrain for a successful forced landing. The precipitating cause of the fatigue…May 13, 2002 · N761LX · DestroyedNTSB FTW02FA054Accident · 2 fatalField investigationFinal reportCessna T210-M · Monticello, ARThe separation of the #2 connecting rod and subsequent catastrophic failure of the engine. A factor was the in-flight collision with a vehicle while maneuvering to a emergency landing area.Dec 9, 2001 · N317RG · DestroyedNTSB FTW01LA210Accident · No injuriesLimited investigationFinal reportCessna T188C · Aiken, TXthe application of silicon sealant to the crankcase mating surfaces by maintenance personnel, which resulted in improper torque on the bolts which mate the crankcase halves, vibration, and the subsequent failure of the #2 main crankshaft bearing. A factor was…Sep 27, 2001 · N4629J · Substantial damageNTSB NYC01FA141Accident · 3 fatalField investigationFinal reportCessna P210N · Honesdale, PAAn improperly manufactured torquemeter gearshaft assembly, which resulted in gearshaft assembly failure, an N2 overspeed, and a subsequent uncontained engine failure.Jun 11, 2001 · N450M · DestroyedNTSB CHI01LA037Accident · Serious injuriesLimited investigationFinal reportCessna T210N · Kankakee, ILThe unsuitable terrain encountered by the pilot during the emergency landing. Factors to the accident were the loss of engine power due to the failure of the crankshaft, the pilot misjudging the descent glide path, and the presence of the highway embankment…Nov 11, 2000 · N9528Y · Substantial damageNTSB NYC00LA200Accident · Serious injuriesLimited investigationFinal reportCessna P210N · Richfield Sprng, NYFailure of the number two cylinder main bearing for undetermined reasons.Jul 17, 2000 · N5256W · Substantial damageNTSB NYC00FA023Accident · Serious injuriesField investigationFinal reportCessna T303 · Binghampton, NYThe pilot's improper in-flight decision to descend below the decision height without the runway environment in sight, and his failure to execute a missed approach. A factor in the accident was the failed crankshaft.Nov 1, 1999 · N511AR · Substantial damageNTSB SEA98FA092Accident · 2 fatalField investigationFinal reportCessna T210N · Hillsboro, ORImproper installation (bushing), mechanical binding (bushing), mechanical binding (connecting rod), and fatigue within the crankshaft. Contributing factors were inadequate major (engine) overhaul and trees.Jun 9, 1998 · N199JM · DestroyedNTSB FTW98LA173Accident · Minor injuriesLimited investigationFinal reportCessna T210L · Santa Teresa, NMfailure of the number 1 piston, which resulted in loss of engine power and a subsequent forced landing. The lack of suitable terrain for a forced landing was a related factor.Apr 5, 1998 · N591DC · Substantial damageNTSB LAX97LA307Accident · No injuriesLimited investigationFinal reportCessna T210M · San Martin, CAInstallation of improper connecting hardware by maintenance personnel, and, the inadequate inspection of the installed hardware by inspection personnel resulting in separation of the engine throttle linkage.Aug 29, 1997 · N761HQ · Substantial damageNTSB ATL97LA124Accident · Minor injuriesLimited investigationFinal reportCessna 414A · Anderson, SCthe pilot misjudged distance and speed on final approach to land and failed to attain a proper touchdown point during the landing, which resulted in an overrun of the runway and collision with a fence. A related factor was the loss of engine power during…Aug 24, 1997 · N4668N · Substantial damageNTSB CHI97IA127Incident · No injuriesIncident investigationFinal reportCessna T210 · Winona, MNLoss of engine power due to improper maintenance installation.May 8, 1997 · N7398M · No damageNTSB NYC97LA035Accident · Minor injuriesLimited investigationFinal reportCessna T210M · Lexington, KYfailure of #5 exhaust valve and/or #5 exhaust valve guide, which resulted in a progressive engine failure (debris puncturing the #5 piston crown, exhaust gasses entering the crankcase, loss of oil through the breather system, oil exhaustion, and subsequent…Dec 21, 1996 · N732UH · Substantial damageNTSB IAD96LA046Accident · Minor injuriesLimited investigationFinal reportCessna P210N · Hazard, KYfailure of the engine crankshaft, which resulted in loss of engine power, a forced landing, and subsequent damage to the airplane. A factor relating to the accident was: lack of suitable terrain for a forced landing.Feb 23, 1996 · N90AD · Substantial damageNTSB CHI95LA137Accident · Serious injuriesLimited investigationFinal reportCessna P210N · Dodge City, KSfatigue and subsequent catastrophic failure of the connecting rod originating from the decarburized area on the shank of the rod. Factors were the low cloud weather condition and the ditch.Apr 26, 1995 · N4614K · Minor damageNTSB CHI95LA047Accident · Minor injuriesLimited investigationFinal reportCessna P210N · Aurora, MOAn undetermined failure of the engine crankshaft resulting in total loss of engine power. The terrain at the emergency landing site and nighttime darkness were contributing factors.Nov 24, 1994 · N4872P · Substantial damageNTSB SEA94LA196Accident · No injuriesLimited investigationFinal reportCessna T210M · Rathdrum, IDThe fatigue failure of the crankshaft and a slipped bearing.Jul 26, 1994 · N761TK · Substantial damageNTSB ATL94LA053Accident · No injuriesLimited investigationFinal reportCessna T210R · Baxley, GADamage to the crankshaft internal oil tube by other maintenance persons during the engine overhaul that resulted in oil starvation.Feb 23, 1994 · N7793U · Substantial damageNTSB MIA94FA064Accident · 2 fatalField investigationFinal reportCessna T210M · Prentiss, MSA total loss of engine power due to the number five piston crown structure sustaining detonation/pre-ignition damage for undetermined reasons. The number two connecting rod and rod bolts failed due to an oil distress event. This resulted in a subsequent…Feb 3, 1994 · N6572M · DestroyedNTSB BFO93LA164Accident · No injuriesLimited investigationFinal reportCessna 402B · Eau Claire, PAThe separation of the number four cylinder on the airplane's left engine for undetermined reasons. A factor in the accident was the rough/uneven terrain.Sep 8, 1993 · N4504B · Substantial damageNTSB LAX93LA194Accident · Serious injuriesLimited investigationFinal reportCessna P210N · Oakland, CAthe pilot's poor decision to continue flying the airplane with a known deficiency and the poorly performed major overhaul of the engine. The failed crankshaft due to fatigue are factors in this accident.May 1, 1993 · N731HP · DestroyedNTSB DEN93LA030Accident · No injuriesLimited investigationFinal reportCessna T210N · Walsh, COA complete power loss from mechanical failure. A factor was: a pond, which the aircraft entered during landing roll.Mar 3, 1993 · N5367A · Substantial damageNTSB SEA92LA082Accident · No injuriesLimited investigationFinal reportBeech B36TC · Mona, UTA fatigue failure to the crankshaft and a manufacturing material defect.Apr 22, 1992 · N7252X · Substantial damageNTSB BFO92LA028Accident · No injuriesLimited investigationFinal reportPiper PA-46 · Baltimore, MDThe failure of the fuel line, for undetermined reasons, resulting in a fuel leak causing an engine fire and total power loss.Jan 30, 1992 · N9103Q · Substantial damageNTSB MIA92FA058Accident · 1 fatalField investigationFinal reportCessna 402B · Lantana, FLThe pilot in commands failure to maintain airspeed above single engine minimum control speed resulting in an inflight loss of control and collision with terrain. Contributing to the accident was the pilot in command's failure to declare an emergency and…Jan 11, 1992 · N3767C · DestroyedNTSB FTW92FA029Accident · Serious injuriesField investigationFinal reportCessna 402B · Roanoke, TXThe operation of the airplane with known deficiencies, a missing air cooling baffle, and inadequate maintenance. Factors were the frozen propeller, inability of the pilot to feather the propeller, inoperative landing gear, the inability of the pilot to…Nov 29, 1991 · N69CR · DestroyedNTSB SEA91LA117Accident · Minor injuriesLimited investigationFinal reportCessna T-210N · Klamath Falls, ORThe loss of engine power due to failure of the number 5 cylinder rod bearing which resulted from lack of lubrication of the main bearing.May 27, 1991 · N5375A · Substantial damageNTSB DEN91LA006Accident · No injuriesLimited investigationFinal reportCessna T210M · Englewood, COEngine failiure resulting from maintenance discrepancies.Oct 10, 1990 · N565RA · Substantial damageNTSB DEN90LA173Accident · No injuriesLimited investigationFinal reportCessna T-210-L · Edgewood, NMEngine failure due to a broken connecting rod. A factor was the rough uneven terrain available for the forced landing.Aug 23, 1990 · N5397V · Substantial damageNTSB DEN90FA159Accident · 1 fatalField investigationFinal reportCessna P210R · Ogden, UTFailure 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.Jul 12, 1990 · N6203A · DestroyedNTSB DEN90LA026Accident · Minor injuriesLimited investigationFinal reportCessna T210L · Gillette, WYForced landing in unsuitable terrain as a result of an engine crankshaft failure at low level cruise flight.Nov 22, 1989 · N843YT · Substantial damageNTSB LAX88LA159Accident · Minor injuriesLimited investigationFinal reportCessna TU206G · Coarsegold, CAWhile at cruise flight, the engine surged twice then quit. During the emergency landing, the airplane collided with the terrain. Inspection of the engine revealed that the number three connecting rod broke.Apr 13, 1988 · N735SU · Substantial damageNTSB ANC87LA162Accident · No injuriesLimited investigationFinal reportCessna 206G · 100mi S.Kng Slm, AKThe aircraft experienced an engine power loss while in cruise flight and subsequently undershot a lake during the emergency landing. Examination of the engine revealed the number 2 bearing was found completely disintegrated and missing from its seat. Evidence…Sep 19, 1987 · N756TT · Substantial damageNTSB MIA87LA154Accident · No injuriesLimited investigationFinal reportCessna T210N · Apalachicola, FLThe plt stated that he departed panama city en route to tampa, FL, when the manifold pressure and oil pressure started to drop. He then turned towards Apalachicola to try to make it to the airport but was unable and made a forced landing in a swampy area aprx…May 2, 1987 · N4612C · Substantial damageNTSB MKC86LA193Accident · No injuriesLimited investigationFinal reportCessna T210M · Old Monroe, MOThe PIC had initiated his descent ot his destination arpt when he rptd experiencing eng pblms. The rough running eng finally quit and the PIC made a forced lndg to an open fld. The subsequent lndg encountered a ditch and the nose gear collapsed. Exam of the…Sep 23, 1986 · N6163N · Substantial damageNTSB FTW86LA148Accident · Serious injuriesLimited investigationFinal reportCessna P210N · Altus, OKThe engine failed at 10,500 feet MSL and the pilot was vectored to a small private sod strip. However, this strip had been closed and plowed up for about a year and was not listed on the current aeronautical charts. The pilot was then revectored to another…Aug 13, 1986 · N731RR · Destroyed