NTSB investigations: Mooney M20K
16 cases on aircraft the registry lists as Mooney M20K, 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
| 1983 | 2 |
|---|---|
| 1984 | 1 |
| 1985 | 2 |
| 1988 | 1 |
| 1990 | 1 |
| 1992 | 1 |
| 1995 | 2 |
| 1996 | 1 |
| 1999 | 1 |
| 2000 | 1 |
| 2003 | 1 |
| 2004 | 1 |
| 2007 | 1 |
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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('5870220')
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.
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.aircraft_model_code IN ('5870220')
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" DESCRun 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 CHI07LA287Accident · No injuriesLimited investigationFinal reportMooney M20K · Fort Wayne, INA total loss of engine power due to the fatigue failure of one of the number two cylinder connecting rod bolts.NTSB MIA04LA050Accident · Minor injuriesLimited investigationFinal reportMooney M20K · Immokalee, FLA loss of engine power due to the airplane mechanic's improper maintenance/installation and failure to ensure that the B-nut on the inlet side of the fuel manifold was properly tightened, which resulted in a fuel leak, and fuel starvation.NTSB IAD03LA073Accident · No injuriesLimited investigationFinal reportMooney M20K · Chesterfield, VAThe loss of engine power due to the fatigue fracture of the #2 cylinder head. A contributing factor was the lack of suitable terrain for the forced landing.NTSB FTW00LA068Accident · No injuriesLimited investigationFinal reportMooney M20K · Tyler, TXThe failure of the crankshaft drive gear as a result of fatigue, which resulted in a forced landing. A factor was the lack of suitable terrain for the forced landing.NTSB LAX99LA065Accident · Minor injuriesLimited investigationFinal reportMooney M20K · Delano, CAThe fatigue failure and separation of the oil pump drive from the accessory gear section, which induced an oil starvation failure of the engine. The fatigue failure of the oil pump drive gear was caused by improper machining of the gear's fillet radius during…NTSB ATL97LA009Accident · Serious injuriesLimited investigationFinal reportMooney M20K · Amelia Island, FLinadequate maintenance/inspection, which resulted in a failure to detect and correct moisture contamination of the left magneto; and/or improper adjustment of the engine fuel pump output, which resulted in excessive fuel pressure.NTSB ATL96LA005Accident · No injuriesLimited investigationFinal reportMooney M20K · Dalton, GAOil starvation for an unknown reason, which resulted in progressive connecting rod failure and subsequent loss of engine power. Factors relating to the accident were: the unfavoable weather and light conditions (low ceiling and fog at dusk), which hampered…NTSB SEA95LA190Accident · No injuriesLimited investigationFinal reportMooney M20K · Roundup, MTan engine failure due to foreign object ingestion into the oil pump. A ruptured oil inlet screen contributed to the accident.NTSB BFO92FA152Accident · 2 fatalField investigationFinal reportMooney M20K · Weston, WVTotal loss of engine power due to the inadequate torque of the no. 1 cylinder attach bolts and studs, fatique failure of the bolts/studs, and separation of the no. 1 cylinder. Factors related to the accident were: darkness and hilly terrain, which were…NTSB NYC90LA053Accident · Minor injuriesLimited investigationFinal reportMooney M20 · Brogue, PAOff airport landing due to an engine power loss due to failure of the no. 2 crankshaft bearing.NTSB DEN88LA143Accident · No injuriesLimited investigationFinal reportMooney M-20K · Gunnison, CONTSB MKC86LA021Accident · No injuriesLimited investigationFinal reportMooney M20K · Spring Hill, KSThe pilot of this aircraft was returning from a business flight when the engine failed. During the forced landing, the aircraft rolled through a fence and then impacted a pole with one wing. The pilot stated that one connecting rod came through the side of…NTSB LAX85LA391Accident · No injuriesLimited investigationFinal reportMooney M20K · Rosamond, CAWhile enroute to van nuys arpt at about 9500 ft, the plt reported to edwards afb apch control that he was experiencing a rough running eng. The plt requested and received a radar vector to wm j. fox arpt, lancaster, CA. Shortly thereafter the eng sustained a…NTSB MKC84LA198Accident · No injuriesLimited investigationFinal reportMooney M20K · Blue Springs, MOTen minutes after takeoff acft leveled at 2700 feet AGL at which time the plt leaned the mixture and set the throttle. Shortly after, manifold pressure rose above red line and the engine quit. An engine teardown revealed detonation in the #1 cylinder. The #2…NTSB MKC83LA092Accident · No injuriesLimited investigationFinal reportMooney M20K · Trenton, NEThe acft was climbing through 11500 to 12000 ft MSL when the engine made a loud noise followed by a lurch. The oil pressure dropped to zero and the engine developed a roughness. The plt said he shut the engine down at this time, the plt advised denver ARTCC…NTSB SEA83FYM04Accident · No injuriesFinal reportMooney M20K · Dufur, ORThe aircraft collided with an irrigation pipe line and fence during rollout of a forced landing after engine failure. The engine stopped while the aircraft was cruising en route. The pilot remained in radio contact throughout the emergency and landed in a…