# NTSB investigations, MO: 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 · 69 cases

## Latest cases

- [NTSB CHI07LA154](https://openairdocs.org/ntsb/CHI07LA154.md): Cessna 421 · Chesterfield, MO · Accident · Serious injuries · Limited investigation · Final report · May 23, 2007 · N4082L · Substantial damage
  > Maintenance personnel failed to comply with an Airworthiness Directive which resulted in the total failure of the starter adapter gear teeth and the crankshaft gear teeth and the pilot failed to follow the published emergency procedures. Contributing to the…
- [NTSB CHI07LA127](https://openairdocs.org/ntsb/CHI07LA127.md): Beech S35 · Brookfield, MO · Accident · No injuries · Limited investigation · Final report · Apr 30, 2007 · N8820M · Substantial damage
  > Improper maintenance by maintenance personnel by not properly torquing cylinder thru-bolts. The loose stud nuts which resulted in the separation of the cylinder and the crop and ditch were factors.
- [NTSB CHI07IA042](https://openairdocs.org/ntsb/CHI07IA042.md): Bell 407 · Raytown, MO · Incident · No injuries · Incident investigation · Final report · Dec 12, 2006 · N302LE · Minor damage
  > The loss of engine power during cruise flight due to third stage turbine wheel blade fatigue and subsequent separation, which resulted in an emergency landing.
- [NTSB CHI07LA039](https://openairdocs.org/ntsb/CHI07LA039.md): Cessna 140 · Vienna, MO · Accident · No injuries · Limited investigation · Final report · Dec 9, 2006 · N76379 · Substantial damage
  > The loss of engine power during cruise flight due to fatigued crankshaft cluster gear bolts and the inadequate major overhaul of the engine that was last performed by other maintenance personnel. An additional cause was a subsequent major engine overhaul not…
- [NTSB CHI06FA210](https://openairdocs.org/ntsb/CHI06FA210.md): de Havilland DHC-6-100 · Sullivan, MO · Accident · 6 fatal · Class 1 · Field · Final report · Jul 29, 2006 · N203E · Substantial damage
  > the pilot's failure to maintain airspeed following a loss of power in the right engine due to the fracturing of compressor turbine blades for undetermined reasons. Contributing to some parachutists' injuries was the lack of a more effective restraint system…
- [NTSB CHI05IA116](https://openairdocs.org/ntsb/CHI05IA116.md): Embraer EMB-145LR · Kansas City, MO · Incident · No injuries · Incident investigation · Final report · May 19, 2005 · N814HK · Minor damage
  > The fatigue failure during cruise flight of the fan spinner and forward fan retaining ring due to an interference between the mating parts resulting from the inadequate design by the manufacturer.
- [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 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 CHI04LA011](https://openairdocs.org/ntsb/CHI04LA011.md): Domeier RV-7A · Augusta, MO · Accident · Minor injuries · Limited investigation · Final report · Oct 13, 2003 · N707DD · Substantial damage
  > The failure of the supercharger and alternator drive belts which resulted in foreign object damage to the valve timing system and subsequent loss of engine power, and the unsuitable terrain encountered by the pilot during the forced landing. A factor was the…
- [NTSB CHI02LA087](https://openairdocs.org/ntsb/CHI02LA087.md): Cessna 182H · West Plains, MO · Accident · No injuries · Limited investigation · Final report · Mar 8, 2002 · N64AE · Substantial damage
  > The engine failure due to the fatigue fracture of the crankshaft which resulted from the installation of improper pistons during an STC'd engine conversion by other maintenance personnel. Additional factors included the unsuitable terrain encountered by the…
- [NTSB CHI02LA005](https://openairdocs.org/ntsb/CHI02LA005.md): Cessna 182N · Graham, MO · Accident · No injuries · Limited investigation · Final report · Oct 12, 2001 · N92913 · Substantial damage
  > A loss of engine power due to the fatigue failure of the number 2 piston. Contributing to the accident was the unsuitable terrain.
- [NTSB CHI01IA211](https://openairdocs.org/ntsb/CHI01IA211.md): McDonnell Douglas MD-83 · Whiteman AFB, MO · Incident · No injuries · Incident investigation · Final report · Jul 12, 2001 · N9413T · Minor damage
  > The separation of a fan blade due to fatigue failure which led to case separation and loss of engine power in the left engine.
- [NTSB CHI99LA253](https://openairdocs.org/ntsb/CHI99LA253.md): Beech B36TC · Brookfield, MO · Accident · No injuries · Limited investigation · Final report · Jul 25, 1999 · N587DL · Substantial damage
  > the total mechanical failure of the engine crankshaft due to fatigue. A factor was the ditch encountered on landing.
- [NTSB CHI99LA226](https://openairdocs.org/ntsb/CHI99LA226.md): Cessna 177RG · Weldon Springs, MO · Accident · No injuries · Limited investigation · Final report · Jul 6, 1999 · N1937Q · Substantial damage
  > the loss of engine oil for undetermined reasons. A factor was the trees.
- [NTSB CHI99LA143](https://openairdocs.org/ntsb/CHI99LA143.md): Narzinski Avid Flyer Mark IV · West Alton, MO · Accident · No injuries · Limited investigation · Final report · May 1, 1999 · N313N · Substantial damage
  > The failure of the connecting rod bearing, and the rough/uneven terrain condition.
- [NTSB CHI98FA106](https://openairdocs.org/ntsb/CHI98FA106.md): Cessna U206G · Grain Valley, MO · Accident · 6 fatal · Field investigation · Final report · Mar 21, 1998 · N506SD · Destroyed
  > Pilot's inadequate preflight, the partial loss of oil and the resulting rod failure. A factor was the pilot's failure to maintain flying speed.
- [NTSB CHI97LA143](https://openairdocs.org/ntsb/CHI97LA143.md): Cessna 140 · Fulton, MO · Accident · No injuries · Limited investigation · Final report · May 22, 1997 · N76122 · Substantial damage
  > a malfunction of the engine's carburetor that was associated with a spalled carburetor float fulcrum pin which resulted in fuel starvation.
- [NTSB CHI97LA021](https://openairdocs.org/ntsb/CHI97LA021.md): Cessna 177A · Kirksville, MO · Accident · Minor injuries · Limited investigation · Final report · Nov 3, 1996 · N30614 · Substantial damage
  > an improper maintenance overhaul by company maintenance personnel which led to a bearing failure. The soft terrain was a factor.
- [NTSB CHI97LA009](https://openairdocs.org/ntsb/CHI97LA009.md): Hayes Lancair 235 · Kansas City, MO · Accident · No injuries · Limited investigation · Final report · Oct 12, 1996 · N90WH · Substantial damage
  > a stuck carburetor float valve which resulted in excessive fuel flow and ultimately fuel exhaustion. A factor related to the accident was the rough terrain on which the forced landing was made.
- [NTSB CHI96LA270](https://openairdocs.org/ntsb/CHI96LA270.md): Geide SPORT-A · Slater, MO · Accident · Minor injuries · Limited investigation · Final report · Aug 4, 1996 · N1033B · Substantial damage
  > failure of a #2 connecting rod bolt, which led to a jammed connecting rod and subsequent overload separation of the #2 cylinder. A factor relating to the accident was: lack of suitable terrain for an emergency landing.
- [NTSB CHI96LA015](https://openairdocs.org/ntsb/CHI96LA015.md): Piper PA-28-140 · Ocie, MO · Accident · Serious injuries · Limited investigation · Final report · Oct 21, 1995 · N6932W · Substantial damage
  > failure of the number three exhaust valve.
- [NTSB CHI95LA196](https://openairdocs.org/ntsb/CHI95LA196.md): Piper PA-32R · Columbia, MO · Accident · No injuries · Limited investigation · Final report · Jun 23, 1995 · N39620 · Substantial damage
  > A loose (or missing) nut and clip for the bottom magneto stud, due to inadequate maintenance, and fatigue failure of the magneto housing flange, which restulted in an oil leak, engine compartment fire, and a forced landing. A factor relating to the accident…
- [NTSB CHI95LA139](https://openairdocs.org/ntsb/CHI95LA139.md): Mooney M20J · Kirksville, MO · Accident · Minor injuries · Limited investigation · Final report · Apr 30, 1995 · N4145H · Substantial damage
  > the loss of engine power due to failure of the engine's hydraulic tappet body heads. Related factors in the accident were the restricted visual lookout, and the unsuitable terrain encountered during the forced landing.
- [NTSB CHI95LA047](https://openairdocs.org/ntsb/CHI95LA047.md): Cessna P210N · Aurora, MO · Accident · Minor injuries · Limited investigation · Final report · Nov 24, 1994 · N4872P · Substantial damage
  > An 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.
- [NTSB CHI94LA286](https://openairdocs.org/ntsb/CHI94LA286.md): Snow S2C · Leslie, MO · Accident · No injuries · Limited investigation · Final report · Aug 17, 1994 · N9498R · Substantial damage
  > the separation of the cylinder and subsequent oil leak. A factor to the accident was the pilot's restricted visual outlook.
- [NTSB CHI94LA206](https://openairdocs.org/ntsb/CHI94LA206.md): Piper PA-28 · St. Joseph, MO · Accident · No injuries · Limited investigation · Final report · Jun 17, 1994 · N5025S · Substantial damage
  > the loss of engine power due to the failure of the number two cylinder.
- [NTSB CHI94LA177](https://openairdocs.org/ntsb/CHI94LA177.md): Piper PA-28R-201T · Bolivar, MO · Accident · No injuries · Limited investigation · Final report · May 27, 1994 · N3191Q · Substantial damage
  > the failure of a pressure fuel line. A factor was the encountering of unsuitable terrain during a forced landing.
- [NTSB CHI94LA147](https://openairdocs.org/ntsb/CHI94LA147.md): Air Tractor AT-402 · Sikeston, MO · Accident · No injuries · Limited investigation · Final report · May 5, 1994 · N91966 · Substantial damage
  > a fatigue failure of a compressor blade which resulted in a catostrophic engine failure.
- [NTSB CHI94LA005](https://openairdocs.org/ntsb/CHI94LA005.md): Cessna 150G · Osceola, MO · Accident · No injuries · Limited investigation · Final report · Oct 3, 1993 · N4646X · Substantial damage
  > Fracture of the number four piston at the piston pin boss. A factor related to the accident was: the lack of suitable terrain for an emergency landing.
- [NTSB CHI93LA357](https://openairdocs.org/ntsb/CHI93LA357.md): Boeing A75N1 · Springfield, MO · Accident · Serious injuries · Limited investigation · Final report · Sep 12, 1993 · N54941 · Substantial damage
  > the disconnection of the primer supply line at the fuel strainer.
- [NTSB CHI93LA324](https://openairdocs.org/ntsb/CHI93LA324.md): Bellanca BL-17-30 · Lee'S Summit, MO · Accident · Minor injuries · Limited investigation · Final report · Aug 15, 1993 · N4846V · Substantial damage
  > improper maintenance which resulted in a disconnected throttle lever linkage.
- [NTSB CHI93LA216](https://openairdocs.org/ntsb/CHI93LA216.md): Grumman AA-5A · Malden, MO · Accident · No injuries · Limited investigation · Final report · Jun 19, 1993 · N9941U · Substantial damage
  > A broken mixture control cable resulting in fuel starvation.
- [NTSB CHI93LA212](https://openairdocs.org/ntsb/CHI93LA212.md): Enstrom F-28C · Buckner, MO · Accident · Serious injuries · Limited investigation · Final report · Jun 14, 1993 · N51717 · Substantial damage
  > The nut backing off the connecting rod bolt resulting in rod failure. A factor involved in this accident was the lack of suitable terrain for the pilot in command to make a run on landing.
- [NTSB CHI93FA182](https://openairdocs.org/ntsb/CHI93FA182.md): Aerospatiale AS-350B · Cameron, MO · Accident · 2 fatal · Field investigation · Final report · May 27, 1993 · N782LF · Destroyed
  > The loss of engine power due to failure of the second stage turbine labyrinth seal. Factors related to the accident were: the unfavorable wind and tall trees bordering the emergency landing area.
- [NTSB CHI92DCA04](https://openairdocs.org/ntsb/CHI92DCA04.md): Tinsman RV6 · Foristell, MO · Accident · Serious injuries · Final report · Sep 13, 1992 · N42JT · Substantial damage
  > The partial failure of the fuel injection system. Factors related to the accident are the pilot's insufficient altitude to reach the runway from the downwind leg, and the presence of transmission wires in the off airport landing site.
- [NTSB CHI92DCG04](https://openairdocs.org/ntsb/CHI92DCG04.md): Dennis L. Fetters Mini 500 · Missouri City, MO · Accident · No injuries · Final report · Jun 25, 1992 · N500ZZ · Substantial damage
  > An improper connecting rod assembly resulting in mechanical binding between the rod and the engine crankshaft.
- [NTSB CHI91LA298](https://openairdocs.org/ntsb/CHI91LA298.md): Taylorcraft BC-12D · Sunset Hills, MO · Accident · No injuries · Limited investigation · Final report · Sep 26, 1991 · N96905 · Substantial damage
  > A blocked fuel system line and inadequate maintenance of the airplane by other maintenance personnel.
- [NTSB CHI90LA198](https://openairdocs.org/ntsb/CHI90LA198.md): Fairchild Hiller FH-1100 · Ozark, MO · Accident · Minor injuries · Limited investigation · Final report · Jul 26, 1990 · N442FH · Substantial damage
  > Total loss of engine power due to #2 turbine shaft bearing failure. A factor related to the accident was: none suitable terrain.
- [NTSB CHI90IA181](https://openairdocs.org/ntsb/CHI90IA181.md): Bell 206A · Lake Ozark, MO · Incident · No injuries · Incident investigation · Final report · Jul 19, 1990 · N206AT · Minor damage
  > Compression assembly blade and emergency floatation gear failure.
- [NTSB MKC90LA081](https://openairdocs.org/ntsb/MKC90LA081.md): Air Tractor AT-401 · Hornersville, MO · Accident · No injuries · Limited investigation · Final report · Apr 5, 1990 · N1015A · Substantial damage
  > Failure of an engine cylinder.
- [NTSB MKC89LA152](https://openairdocs.org/ntsb/MKC89LA152.md): Piper PA-32-300 · Excelsor Sprgs, MO · Accident · No injuries · Limited investigation · Final report · Jul 4, 1989 · N4175R · Substantial damage
  > The catastrophic failure of the aircraft engine and the pilots failure to maintain directional control of the aircraft during the landing roll. Improper maintenance, the dark night conditions, and restricted visibility due to oil on the windscreen were…
- [NTSB MKC88FA147](https://openairdocs.org/ntsb/MKC88FA147.md): Mooney M20C · Missouri City, MO · Accident · 2 fatal · Field investigation · Final report · Aug 3, 1988 · N6528U · Substantial damage
  > The co-owner of the acft stated he had experienced a fuel flow pblm while flying to the (ojc) arpt, where pax (one of them was a co-owner) were to board. He stated he advzd the other owner of the pblm, but no corrective action was taken. The acft was then…
- [NTSB MKC88LA133](https://openairdocs.org/ntsb/MKC88LA133.md): Grumman 164A · Poplar Bluff, MO · Accident · No injuries · Limited investigation · Final report · Jul 19, 1988 · N8706H · Substantial damage
  > The pilot experienced an engine failure while attempting to land during an aerial application flight. Altitude was not adequate to select a suitable forced landing area. The aircraft impacted in a pipeline right of way and came to rest in a small stream,…
- [NTSB MKC88LA114](https://openairdocs.org/ntsb/MKC88LA114.md): Piper PA-28R-200 · Eldon, MO · Accident · Serious injuries · Limited investigation · Final report · Jun 21, 1988 · N4490T · Substantial damage
  > Total failure of the powerplant due to an oil line rupture, and proper touchdown point not attained by the pilot in command.
- [NTSB MKC87FA163](https://openairdocs.org/ntsb/MKC87FA163.md): Beech 35 · Excelsior Spgs, MO · Accident · Serious injuries · Field investigation · Final report · Aug 18, 1987 · N3204V · Destroyed
  > According to witnesses, the pilot declared an emergency over the radio stating that the eng was losing power and that she was attempting an emerg lndg at Excelsior springs arpt. The pilot stated that she initiated a go-around, after the rwy was assured, due…
- [NTSB MKC87LA152](https://openairdocs.org/ntsb/MKC87LA152.md): Aero Commander Callair A9-B · Osgood, MO · Accident · No injuries · Limited investigation · Final report · Jul 31, 1987 · N7726V · Substantial damage
  > During an aerial application operation, pilot experienced partial power loss and vibration, followed by a loud explosive sound and total loss of power. An emergency ldg was made followed by a nose over. Postaccident inspection revealed the entire propeller…
- [NTSB MKC87LA141](https://openairdocs.org/ntsb/MKC87LA141.md): Cessna 175C · Bear Creek, MO · Accident · Minor injuries · Limited investigation · Final report · Jul 18, 1987 · N8326T · Substantial damage
  > During a personal xc flt, plt experienced a partial loss of power followed by a total loss of power. During emergency ldg, pilot stated that he prematurely added full flaps, which resulted in too steep of a descent, causing acft to be short of intended…
- [NTSB MKC87LA096](https://openairdocs.org/ntsb/MKC87LA096.md): Rotorway Executive · Gerald, MO · Accident · No injuries · Limited investigation · Final report · Apr 28, 1987 · N4891H · Substantial damage
  > The stu PIC was solo on a x-country flt when the eng backfired. The stu entered autorotation with low rotor RPM which accelerated the descent rate. The stu flared before touchdown but did not level the helo in time to land. The tailboom struck the gnd and the…
- [NTSB MKC87LA058](https://openairdocs.org/ntsb/MKC87LA058.md): Cessna 175 · Tipton, MO · Accident · Minor injuries · Limited investigation · Final report · Mar 7, 1987 · N7135M · Substantial damage
  > The pilot stated that, fifteen minutes into the flight, while at cruise the engine oil pressure began dropping as the oil temperature rose. While attempting to reach sedalia, Missouri to perform a precautionary landing, oil began covering the aircraft's…
- [NTSB MKC87LA054](https://openairdocs.org/ntsb/MKC87LA054.md): Cessna 172 · Malden, MO · Accident · Minor injuries · Limited investigation · Final report · Mar 2, 1987 · N20362 · Substantial damage
  > The acft was being used on training flt when the eng failed. During the forced landing in a muddy field, the acft flipped forward to an inverted position. Post accident inspection revealed the eng failed due to a connecting rod bolt failure on the number two…

Next page: https://openairdocs.org/ntsb.md?state=MO&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 c."eventStateOrRegion" = 'MO' 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=MO

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