# NTSB investigations, WA: 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 · 89 cases ## Latest cases - [NTSB LAX07LA268](https://openairdocs.org/ntsb/LAX07LA268.md): Piper PA-28-181 · Lopez Island, WA · Accident · No injuries · Limited investigation · Final report · Aug 25, 2007 · N2939J · Substantial damage > A loss of engine power due to the fatigue failure of the left idler gear. Inadequate maintenance installation of the recently installed left magneto was also causal. - [NTSB SEA07FA195](https://openairdocs.org/ntsb/SEA07FA195.md): Yakovlev YAK-55M · Everett, WA · Accident · 1 fatal · Field investigation · Final report · Jul 14, 2007 · N55NH · Destroyed > The pilot's inadequate preflight planning and inspection that led to oil exhaustion and a catastrophic engine failure. Also causal was the pilot's attempted operation of an aircraft with known deficiencies, and the lack of a current airworthiness inspection.… - [NTSB SEA06LA162](https://openairdocs.org/ntsb/SEA06LA162.md): Kaman HH-43F · Metaline Falls, WA · Accident · 1 fatal · Limited investigation · Final report · Aug 18, 2006 · N559D · Destroyed > The failure of the left-hand cross-shaft input internal spline while the helicopter was in a hover, which resulted in the loss of gear box timing, in-flight blade contact and separation, and the subsequent loss of control and impact with a log deck. - [NTSB SEA05LA057](https://openairdocs.org/ntsb/SEA05LA057.md): Cessna 152 · Covington, WA · Accident · No injuries · Limited investigation · Final report · Mar 8, 2005 · N65579 · Substantial damage > The failure of connecting rods during cruise flight resulting in a loss of engine power. Trees were a factor. - [NTSB SEA03LA086](https://openairdocs.org/ntsb/SEA03LA086.md): Grumman G-164B · Basin City, WA · Accident · No injuries · Limited investigation · Final report · May 16, 2003 · N3629E · Substantial damage > The failure of the torque sensor idler gear duplex bearing during agricultural aerial application, resulting in a total power loss and a forced landing. Factors include tall wheat and soft terrain. - [NTSB SEA01LA154](https://openairdocs.org/ntsb/SEA01LA154.md): Republic RC-3 · Chimacum, WA · Accident · No injuries · Limited investigation · Final report · Aug 12, 2001 · N6755K · Substantial damage > An internal ground in the right magneto followed by an internal ground evidenced by arcing in the left ignition coil unit, which led to failure of both the right magneto and the left coil ignition system respectively during cruise. Contributing factors were a… - [NTSB SEA01LA149](https://openairdocs.org/ntsb/SEA01LA149.md): Grumman G-164B · Quincy, WA · Accident · No injuries · Limited investigation · Final report · Aug 11, 2001 · N6774Q · Substantial damage > The failure of the impeller assembly as a consequence of impeller rub and binding within the impeller collector case for undetermined reasons. - [NTSB SEA00LA188](https://openairdocs.org/ntsb/SEA00LA188.md): Hughes 269B · Burlington, WA · Accident · Minor injuries · Limited investigation · Final report · Sep 24, 2000 · N9355F · Substantial damage > Mintenance personnel not following the mandatory service bulletin procedure of not exceeding 0.0005 inch paint thickness on the cylinder flange. Factors were the fatigue separation of multiple cylinder hold down bolts resulting in looseness of the cylinder;… - [NTSB SEA00LA119](https://openairdocs.org/ntsb/SEA00LA119.md): Piper PA-28-140 · Kennewick, WA · Accident · Minor injuries · Limited investigation · Final report · Jun 30, 2000 · N6887W · Substantial damage > A failure in the engine's number 1 piston, resulting in a total loss of engine power. Factors included the aircraft windshield being covered with oil (restricting forward visibility), a road sign, and a ditch beside the road on which the forced landing was… - [NTSB SEA00LA116](https://openairdocs.org/ntsb/SEA00LA116.md): Davis/Crouch Avid MK IV · Concrete, WA · Accident · Serious injuries · Limited investigation · Final report · Jun 27, 2000 · N518DC · Substantial damage > Fracture of the engine's #1 connecting rod, resulting in a total loss of engine power. Factors were an engine overheat condition experienced at an undetermined time, and no suitable terrain for a forced landing. - [NTSB SEA00LA082](https://openairdocs.org/ntsb/SEA00LA082.md): Gulfstream-Schweizer G-164B · Ephrata, WA · Accident · No injuries · Limited investigation · Final report · May 4, 2000 · N8130K · Substantial damage > Loss of engine power due to failure of the number three cylinder exhaust valve push rod. Soft terrain encountered during the landing roll-out was a factor. - [NTSB SEA00LA048](https://openairdocs.org/ntsb/SEA00LA048.md): Piper PA-28-180 · Richland, WA · Accident · No injuries · Limited investigation · Final report · Mar 6, 2000 · N8170W · Substantial damage > Failure of a connecting rod for undetermined reasons. Factors include unsuitable terrain for the forced landing attempt. - [NTSB SEA98LA188](https://openairdocs.org/ntsb/SEA98LA188.md): Cessna 150L · Freeland, WA · Accident · No injuries · Limited investigation · Final report · Sep 29, 1998 · N5867C · Substantial damage > Failure of the number two intake valve rocker arm in fatigue, and overload of the nose landing gear assembly. Factors include a ditch encountered during the forced landing. - [NTSB SEA98LA069](https://openairdocs.org/ntsb/SEA98LA069.md): Bell 47G3B2A · Stanwood, WA · Accident · No injuries · Limited investigation · Final report · May 3, 1998 · N7965J · Substantial damage > The failure of the number two connecting rod, which led to additional internal engine damage and a complete loss of power. Factors include soft terrain in the area where the pilot found it necessary to execute his forced landing. - [NTSB SEA98LA039](https://openairdocs.org/ntsb/SEA98LA039.md): Cessna 150F · Fife, WA · Accident · No injuries · Limited investigation · Final report · Feb 24, 1998 · N8794G · Substantial damage > The fracture separation of an exhaust valve head, followed by the total failure of the associated piston. A factor was the soft terrain at the location of the forced landing. - [NTSB SEA97LA193](https://openairdocs.org/ntsb/SEA97LA193.md): Cessna TU206G · Edwall, WA · Accident · No injuries · Limited investigation · Final report · Aug 18, 1997 · N6620Z · Substantial damage > A fatigue failure of the engine crankshaft. Factors contributing to the accident were the rolling terrain, and the fence. - [NTSB SEA97LA039](https://openairdocs.org/ntsb/SEA97LA039.md): Stinson 108-2 · Friday Harbor, WA · Accident · No injuries · Limited investigation · Final report · Dec 20, 1996 · N233C · Destroyed > failure of the engine (powerplant) for undetermined reason(s). A factor relating to the accident include: being over water at the time of power failure. - [NTSB SEA96LA196](https://openairdocs.org/ntsb/SEA96LA196.md): Westcott Glasair I-FT · Puyallup, WA · Accident · Serious injuries · Limited investigation · Final report · Aug 21, 1996 · N289W · Substantial damage > failure of the air inlet screen, and subsequent ingestion of the foam air filter. An inadequate maintenance modification by the amateur builder and no suitable landing area were related factors. - [NTSB SEA96FA130](https://openairdocs.org/ntsb/SEA96FA130.md): Hughes 269C · Eldon, WA · Accident · 1 fatal · Field investigation · Final report · Jun 19, 1996 · N7400F · Destroyed > fatigue failure of the connecting rod cap, which resulted in loss of engine power and ditching at sea. - [NTSB SEA96FA076](https://openairdocs.org/ntsb/SEA96FA076.md): Bell UH-1H · Rainier, WA · Accident · No injuries · Field investigation · Final report · Apr 4, 1996 · N6166R · Substantial damage > failure of the forward power shaft (number 21) bearing. A factor relating to the accident was: the lack of suitable, unobstructed terrain for an emergency landing. - [NTSB SEA95FA213](https://openairdocs.org/ntsb/SEA95FA213.md): Cessna P210N · Black Diamond, WA · Accident · 1 fatal · Field investigation · Final report · Sep 10, 1995 · N3674P · Destroyed > improper maintenance which led to oil starvation due to a inadequately tightened B-nut in an oil line. A factor was the lack of suitable terrain for a forced landing. - [NTSB SEA95LA183](https://openairdocs.org/ntsb/SEA95LA183.md): Beech V35A · Chimacum, WA · Accident · Minor injuries · Limited investigation · Final report · Aug 14, 1995 · N8469N · Substantial damage > the improper top overhaul of the engine and subsequent release of the cylinder hold-down nuts/breakage of hold-down and through-bolts. Factors contributing to the accident were the fence posts and rough/uneven terrain. - [NTSB SEA95LA155](https://openairdocs.org/ntsb/SEA95LA155.md): Cessna 172P · Vashon, WA · Accident · No injuries · Limited investigation · Final report · Jul 13, 1995 · N52139 · Substantial damage > The loss of engine power due to connecting rod bolt overload failure. The rough, uneven terrain in the emergency landing area was a factor. - [NTSB SEA95LA143](https://openairdocs.org/ntsb/SEA95LA143.md): Aero Commander S2R · Odessa, WA · Accident · No injuries · Limited investigation · Final report · Jul 6, 1995 · N3662X · Substantial damage > Loss of engine power due to a cracked cylinder. - [NTSB SEA95LA084](https://openairdocs.org/ntsb/SEA95LA084.md): Baxter-Wilson CW CHAMP-3 · Forks, WA · Accident · No injuries · Limited investigation · Final report · Apr 23, 1995 · N4232L · Substantial damage > Loss of engine power for undetermined reasons and the lack of suitable terrain for a forced landing. - [NTSB SEA95LA056](https://openairdocs.org/ntsb/SEA95LA056.md): Pitts S-2B · Spokane, WA · Accident · No injuries · Limited investigation · Final report · Feb 25, 1995 · N49335 · Substantial damage > Fatigue failure of the crankshaft. Factors were the soft terrain and the pilot/owner's failure to conduct recurring crankshaft inspections recommended by the manufacturer. - [NTSB SEA94LA209](https://openairdocs.org/ntsb/SEA94LA209.md): Piper PA-28-140 · Redmond, WA · Accident · No injuries · Limited investigation · Final report · Aug 13, 1994 · N95285 · Substantial damage > Failure of an exhaust valve. A factor to the accident was: wet grass. - [NTSB SEA94FA154](https://openairdocs.org/ntsb/SEA94FA154.md): Cessna 172 · Port Angeles, WA · Accident · 1 fatal · Field investigation · Final report · Jun 21, 1994 · N8025B · Destroyed > Lack of oil and connecting rod failure. A factor to the accident was rough/uneven terrain. - [NTSB SEA94LA116](https://openairdocs.org/ntsb/SEA94LA116.md): Aero Commander S2R · Dayton, WA · Accident · No injuries · Limited investigation · Final report · May 7, 1994 · N5646X · Substantial damage > Total failure of the connecting rod. - [NTSB SEA94FA085](https://openairdocs.org/ntsb/SEA94FA085.md): Douglas DC-3C · Spokane, WA · Accident · 2 fatal · Field investigation · Final report · Mar 18, 1994 · N3433Y · Destroyed > The failure of the pilot-in-command to maintain airspeed. Factors to the accident were: cylinder fatigue, dark night and stall encountered. - [NTSB SEA94LA072](https://openairdocs.org/ntsb/SEA94LA072.md): Grumman G-164 · Walla Walla, WA · Accident · No injuries · Limited investigation · Final report · Mar 2, 1994 · N6612Q · Substantial damage > Unsuitable terrain for a forced landing after a loss of power due to a failed engine cylinder. Factors include a partial magneto failure. - [NTSB SEA94FA051](https://openairdocs.org/ntsb/SEA94FA051.md): Cessna 140 · Lopez, WA · Accident · 1 fatal · Field investigation · Final report · Jan 18, 1994 · N77190 · Substantial damage > The pilot/owner's improper installation of the oil temperature sensing bulb, the total loss of all engine oil, and the shearing of a connecting rod cap. - [NTSB SEA93FA178](https://openairdocs.org/ntsb/SEA93FA178.md): Enstrom F-28C · Seattle, WA · Accident · No injuries · Field investigation · Final report · Aug 18, 1993 · N86198 · Substantial damage > Shorted magneto condensers. Factors include a hidden obstruction in the landing area, and a reduction in rotor RPM from attempting to avoid the obstruction. - [NTSB SEA92LA216](https://openairdocs.org/ntsb/SEA92LA216.md): Cessna 182L · Vancouver, WA · Accident · No injuries · Limited investigation · Final report · Sep 26, 1992 · N42324 · Substantial damage > The partial loss of engine power from failure of the no 5 piston, and the soft terrain at the forced ldg site, resulting in collapse of the nose landing gear. - [NTSB SEA92LA121](https://openairdocs.org/ntsb/SEA92LA121.md): Mooney M20E · Freeland, WA · Accident · No injuries · Limited investigation · Final report · Jun 7, 1992 · N5887Q · Substantial damage > Blockage of the fuel injector servo system. Factors contributing to the accident were: fuel injection system corroded and animals in the landing area. - [NTSB SEA92LA095](https://openairdocs.org/ntsb/SEA92LA095.md): Ryan ST-3KR · Anacortes, WA · Accident · Minor injuries · Limited investigation · Final report · May 11, 1992 · N4223P · Destroyed > Loss of engine power due to fatigue failure of the crankshaft counterweight cap screws and separation of the counterweight. A factor relating to the accident was the residential area and lack of suitable terrain for a forced landing. - [NTSB SEA92LA091](https://openairdocs.org/ntsb/SEA92LA091.md): Rockwell S2R · St. John, WA · Accident · No injuries · Limited investigation · Final report · May 5, 1992 · N8803Q · Substantial damage > The separation of the number 1 cylinder and remedial action by the PIC not possible. A factor contributing to the accident was: rough/uneven terrain. - [NTSB SEA92LA007](https://openairdocs.org/ntsb/SEA92LA007.md): Piper PA24-180 · Marysville, WA · Accident · Minor injuries · Limited investigation · Final report · Oct 14, 1991 · N7759P · Substantial damage > The slippage of the accessary drive gear due to improper maintenance by other maintenance personnel. Factors include a forced landing in unsuitable terrain. - [NTSB SEA91LA227](https://openairdocs.org/ntsb/SEA91LA227.md): North American Navion A · Chehalis, WA · Accident · Serious injuries · Limited investigation · Final report · Sep 1, 1991 · N91736 · Destroyed > Total loss of engine power on initial takeoff climb due to the fatigue fracture of the number one piston connecting rod resulting in a forced landing and in flight collision with trees. - [NTSB SEA91LA136](https://openairdocs.org/ntsb/SEA91LA136.md): Schweizer G-164B · Wilson Creek, WA · Accident · No injuries · Limited investigation · Final report · May 27, 1991 · N8407K · Substantial damage > The loss of engine power in flight due to improper overhaul of the carburetor float assembly fulcrum screw, shutting off fuel flow to the engine. - [NTSB SEA91LA116](https://openairdocs.org/ntsb/SEA91LA116.md): Greg Smith KR-2 · Twisp, WA · Accident · Serious injuries · Limited investigation · Final report · May 27, 1991 · N47KR · Substantial damage > The loss of engine power in flight due to shorted magneto wires, resulting from inadequate maintenance inspection by the pilot. - [NTSB SEA91LA109](https://openairdocs.org/ntsb/SEA91LA109.md): Bell 47G-3B-1 · Malott, WA · Accident · No injuries · Limited investigation · Final report · May 19, 1991 · N73903 · Destroyed > An undetermined failure of the fuel pump casing resulting in an in flight fire and loss of engine power. - [NTSB SEA91LA103](https://openairdocs.org/ntsb/SEA91LA103.md): Cessna 182N · Shelton, WA · Accident · No injuries · Limited investigation · Final report · May 11, 1991 · N8949G · Substantial damage > The total loss of power due to mechanical failure when the pilot was over unsuitable terrain for a forced landing. Factors include a hard landing after an inadvertent stall prior to touchdown on a highway. - [NTSB SEA91LA092](https://openairdocs.org/ntsb/SEA91LA092.md): Smelser KR-2 · Spokane, WA · Accident · Minor injuries · Limited investigation · Final report · Apr 20, 1991 · N570TS · Substantial damage > A failure of the fuel drain valve which resulted in fuel exhaustion and a loss of engine power. - [NTSB SEA91IA081](https://openairdocs.org/ntsb/SEA91IA081.md): Boeing 737-222 · Seattle, WA · Incident · Minor injuries · Incident investigation · Final report · Apr 10, 1991 · N9003U · Minor damage > Turbine blade failure from fatigue. Factors to the incident were inoperative engine fire extinguisher, inadequate service of aircraft and delayed deployment of emergency slide. - [NTSB SEA91FA076](https://openairdocs.org/ntsb/SEA91FA076.md): Piper PA-24-250 · Chehalis, WA · Accident · 1 fatal · Field investigation · Final report · Mar 28, 1991 · N6044P · Destroyed > A loss of engine power due to an improper overhaul. - [NTSB SEA90GA180](https://openairdocs.org/ntsb/SEA90GA180.md): Bell 204B · Keller, WA · Accident · 1 fatal · Final report · Sep 12, 1990 · CGKQH · Destroyed > The total loss of engine power due to turbine blade separation while the pilot was operating in the aircraft at a gross weight that exceeded performance specifications for existing meteorological conditions. Factors include the failure or inability to… - [NTSB SEA90LA159](https://openairdocs.org/ntsb/SEA90LA159.md): Cessna 182H · Wenatchee, WA · Accident · Serious injuries · Limited investigation · Final report · Aug 10, 1990 · N2473X · Substantial damage > Improper installation of the oil filter gasket by maintenance personnel resulting in loss of engine oil and seizure of the engine. - [NTSB SEA90LA116](https://openairdocs.org/ntsb/SEA90LA116.md): Enstrom F28C · Camas, WA · Accident · No injuries · Limited investigation · Final report · Jun 7, 1990 · N51729 · Substantial damage > The failure of a sprag clutch in the rotor-drive mechanism, at an altitude and position that precluded or limited the possibility of a successful outcome. - [NTSB SEA90LA094](https://openairdocs.org/ntsb/SEA90LA094.md): Cessna A150M · Seattle, WA · Accident · No injuries · Limited investigation · Final report · Jun 5, 1990 · N8175V · Substantial damage > The fuel starvation caused by carburetor contaminants blocking the accelerator pump inlet check valve assembly and main nozzle assembly. Next page: https://openairdocs.org/ntsb.md?state=WA&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" = 'WA' 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=WA --- 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.