NTSB investigations, WA
89 cases where the first occurrence was “Loss of engine power(total) - mech failure/malf”.
Cases per year
| 1982 | 7 |
|---|---|
| 1983 | 6 |
| 1984 | 2 |
| 1985 | 4 |
| 1986 | 9 |
| 1987 | 3 |
| 1988 | 3 |
| 1989 | 4 |
| 1990 | 5 |
| 1991 | 9 |
| 1992 | 4 |
| 1993 | 1 |
| 1994 | 6 |
| 1995 | 6 |
| 1996 | 4 |
| 1997 | 1 |
| 1998 | 3 |
| 2000 | 5 |
| 2001 | 2 |
| 2003 | 1 |
| 2005 | 1 |
| 2006 | 1 |
| 2007 | 2 |
Where
Open the mapLatest 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.\"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"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.
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
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB LAX07LA268Accident · No injuriesLimited investigationFinal reportPiper PA-28-181 · Lopez Island, WAA 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 SEA07FA195Accident · 1 fatalField investigationFinal reportYakovlev YAK-55M · Everett, WAThe 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 SEA06LA162Accident · 1 fatalLimited investigationFinal reportKaman HH-43F · Metaline Falls, WAThe 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 SEA05LA057Accident · No injuriesLimited investigationFinal reportCessna 152 · Covington, WAThe failure of connecting rods during cruise flight resulting in a loss of engine power. Trees were a factor.NTSB SEA03LA086Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Basin City, WAThe 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 SEA01LA154Accident · No injuriesLimited investigationFinal reportRepublic RC-3 · Chimacum, WAAn 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 SEA01LA149Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Quincy, WAThe failure of the impeller assembly as a consequence of impeller rub and binding within the impeller collector case for undetermined reasons.NTSB SEA00LA188Accident · Minor injuriesLimited investigationFinal reportHughes 269B · Burlington, WAMintenance 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 SEA00LA119Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-140 · Kennewick, WAA 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 SEA00LA116Accident · Serious injuriesLimited investigationFinal reportDavis/Crouch Avid MK IV · Concrete, WAFracture 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 SEA00LA082Accident · No injuriesLimited investigationFinal reportGulfstream-Schweizer G-164B · Ephrata, WALoss 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 SEA00LA048Accident · No injuriesLimited investigationFinal reportPiper PA-28-180 · Richland, WAFailure of a connecting rod for undetermined reasons. Factors include unsuitable terrain for the forced landing attempt.NTSB SEA98LA188Accident · No injuriesLimited investigationFinal reportCessna 150L · Freeland, WAFailure 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 SEA98LA069Accident · No injuriesLimited investigationFinal reportBell 47G3B2A · Stanwood, WAThe 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 SEA98LA039Accident · No injuriesLimited investigationFinal reportCessna 150F · Fife, WAThe 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 SEA97LA193Accident · No injuriesLimited investigationFinal reportCessna TU206G · Edwall, WAA fatigue failure of the engine crankshaft. Factors contributing to the accident were the rolling terrain, and the fence.NTSB SEA97LA039Accident · No injuriesLimited investigationFinal reportStinson 108-2 · Friday Harbor, WAfailure 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 SEA96LA196Accident · Serious injuriesLimited investigationFinal reportWestcott Glasair I-FT · Puyallup, WAfailure 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 SEA96FA130Accident · 1 fatalField investigationFinal reportHughes 269C · Eldon, WAfatigue failure of the connecting rod cap, which resulted in loss of engine power and ditching at sea.NTSB SEA96FA076Accident · No injuriesField investigationFinal reportBell UH-1H · Rainier, WAfailure 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 SEA95FA213Accident · 1 fatalField investigationFinal reportCessna P210N · Black Diamond, WAimproper 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 SEA95LA183Accident · Minor injuriesLimited investigationFinal reportBeech V35A · Chimacum, WAthe 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 SEA95LA155Accident · No injuriesLimited investigationFinal reportCessna 172P · Vashon, WAThe loss of engine power due to connecting rod bolt overload failure. The rough, uneven terrain in the emergency landing area was a factor.NTSB SEA95LA143Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Odessa, WALoss of engine power due to a cracked cylinder.NTSB SEA95LA084Accident · No injuriesLimited investigationFinal reportBaxter-Wilson CW CHAMP-3 · Forks, WALoss of engine power for undetermined reasons and the lack of suitable terrain for a forced landing.NTSB SEA95LA056Accident · No injuriesLimited investigationFinal reportPitts S-2B · Spokane, WAFatigue 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 SEA94LA209Accident · No injuriesLimited investigationFinal reportPiper PA-28-140 · Redmond, WAFailure of an exhaust valve. A factor to the accident was: wet grass.NTSB SEA94FA154Accident · 1 fatalField investigationFinal reportCessna 172 · Port Angeles, WALack of oil and connecting rod failure. A factor to the accident was rough/uneven terrain.NTSB SEA94LA116Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Dayton, WATotal failure of the connecting rod.NTSB SEA94FA085Accident · 2 fatalField investigationFinal reportDouglas DC-3C · Spokane, WAThe failure of the pilot-in-command to maintain airspeed. Factors to the accident were: cylinder fatigue, dark night and stall encountered.NTSB SEA94LA072Accident · No injuriesLimited investigationFinal reportGrumman G-164 · Walla Walla, WAUnsuitable terrain for a forced landing after a loss of power due to a failed engine cylinder. Factors include a partial magneto failure.NTSB SEA94FA051Accident · 1 fatalField investigationFinal reportCessna 140 · Lopez, WAThe 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 SEA93FA178Accident · No injuriesField investigationFinal reportEnstrom F-28C · Seattle, WAShorted magneto condensers. Factors include a hidden obstruction in the landing area, and a reduction in rotor RPM from attempting to avoid the obstruction.NTSB SEA92LA216Accident · No injuriesLimited investigationFinal reportCessna 182L · Vancouver, WAThe 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 SEA92LA121Accident · No injuriesLimited investigationFinal reportMooney M20E · Freeland, WABlockage of the fuel injector servo system. Factors contributing to the accident were: fuel injection system corroded and animals in the landing area.NTSB SEA92LA095Accident · Minor injuriesLimited investigationFinal reportRyan ST-3KR · Anacortes, WALoss 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 SEA92LA091Accident · No injuriesLimited investigationFinal reportRockwell S2R · St. John, WAThe 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 SEA92LA007Accident · Minor injuriesLimited investigationFinal reportPiper PA24-180 · Marysville, WAThe slippage of the accessary drive gear due to improper maintenance by other maintenance personnel. Factors include a forced landing in unsuitable terrain.NTSB SEA91LA227Accident · Serious injuriesLimited investigationFinal reportNorth American Navion A · Chehalis, WATotal 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 SEA91LA136Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Wilson Creek, WAThe 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 SEA91LA116Accident · Serious injuriesLimited investigationFinal reportGreg Smith KR-2 · Twisp, WAThe loss of engine power in flight due to shorted magneto wires, resulting from inadequate maintenance inspection by the pilot.NTSB SEA91LA109Accident · No injuriesLimited investigationFinal reportBell 47G-3B-1 · Malott, WAAn undetermined failure of the fuel pump casing resulting in an in flight fire and loss of engine power.NTSB SEA91LA103Accident · No injuriesLimited investigationFinal reportCessna 182N · Shelton, WAThe 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 SEA91LA092Accident · Minor injuriesLimited investigationFinal reportSmelser KR-2 · Spokane, WAA failure of the fuel drain valve which resulted in fuel exhaustion and a loss of engine power.NTSB SEA91IA081Incident · Minor injuriesIncident investigationFinal reportBoeing 737-222 · Seattle, WATurbine blade failure from fatigue. Factors to the incident were inoperative engine fire extinguisher, inadequate service of aircraft and delayed deployment of emergency slide.NTSB SEA91FA076Accident · 1 fatalField investigationFinal reportPiper PA-24-250 · Chehalis, WAA loss of engine power due to an improper overhaul.NTSB SEA90GA180Accident · 1 fatalFinal reportBell 204B · Keller, WAThe 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 SEA90LA159Accident · Serious injuriesLimited investigationFinal reportCessna 182H · Wenatchee, WAImproper installation of the oil filter gasket by maintenance personnel resulting in loss of engine oil and seizure of the engine.NTSB SEA90LA116Accident · No injuriesLimited investigationFinal reportEnstrom F28C · Camas, WAThe 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 SEA90LA094Accident · No injuriesLimited investigationFinal reportCessna A150M · Seattle, WAThe fuel starvation caused by carburetor contaminants blocking the accelerator pump inlet check valve assembly and main nozzle assembly.