NTSB investigations: Mooney M20F
17 cases on aircraft the registry lists as Mooney M20F, 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
| 1982 | 1 |
|---|---|
| 1984 | 2 |
| 1985 | 1 |
| 1987 | 1 |
| 1989 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 1992 | 1 |
| 1994 | 1 |
| 1997 | 3 |
| 2000 | 1 |
| 2002 | 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 ('5870214')
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 ('5870214')
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 LAX08LA008Accident · No injuriesLimited investigationFinal reportMooney M20F · Alamo, NVFailure of the number 2 cylinder piston compression ring, which resulted in oil exhaustion and a catastrophic internal engine failure.NTSB MIA04LA127Accident · No injuriesLimited investigationFinal reportMooney M20F · Brandon, MSA loss of engine power due to the fatigue failure of all studs and/or thru-bolts of the No. 3 cylinder for undetermined reasons causing separation of the cylinder. Contributing to the accident was the unsuitable terrain encountered by the pilot.NTSB FTW02LA108Accident · No injuriesLimited investigationFinal reportMooney M20F · Grapeland, TXThe loss of engine power due to the #2 connecting rod cap separating from the connecting rod. A contributing factor was the limited forward visibility due to oil on the windscreen.NTSB FTW00LA127Accident · Minor injuriesLimited investigationFinal reportMooney M20F · Tomball, TXEngine seizure due to the rupture of an oil cooler line.NTSB NYC98LA056Accident · Minor injuriesLimited investigationFinal reportMooney M20F · Ferncliff, VAthe improper installation of the engine oil temperature probe which resulted in oil starvation and a total loss of engine power. A factor in the accident was the pilot's overflight of available airports in an effort to reach the 'Nearest Airport' displayed on…NTSB MIA97FA242Accident · 1 fatalField investigationFinal reportMooney M20F · Coral Springs, FLThe pilot's misjudging the distance vs. altitude resulting in the collision with the water short of the intended touchdown point of the rough field. Contributing to the accident was the total loss of engine power due to failure of the No. 3 cylinder…NTSB ATL97FA115Accident · 2 fatalField investigationFinal reportMooney M20F · Tallahassee, FLfatigue failure of the crankshaft for undetermined reasons. Related factors were: darkness, and obstructions (trees) in the emergency landing area.NTSB CHI94LA315Accident · Minor injuriesLimited investigationFinal reportMooney M20F · Hanston, KSThe failure of the number two connecting rod. Factors in the accident were the fouled windshield utility wires, the road sign, and the telephone pole.NTSB ATL92LA143Accident · Minor injuriesLimited investigationFinal reportMooney M20F · Eufaula, ALThe failure of the fuel injector servo as a result of the sticking bushing between the diaphragms.NTSB ANC91LA113Accident · No injuriesLimited investigationFinal reportMooney M-20F · Wood River, AKThe failure of the number 4 cylinder connecting rod cop due to fatigue. Contributing to the accident was the rough surface of the forced landing area.NTSB SEA91LA006Accident · No injuriesLimited investigationFinal reportMooney M20F · Casper, WYThe loss of engine power due to fatigue fracture of the number 2 cylinder connecting rod. Factors related to the accident were: rough and uneven terrain at the accident site and the lack of suitable terrain for forced landing.NTSB LAX89FA095Accident · 1 fatalField investigationFinal reportMooney M20F · Truckee, CAThe pilot's decision to fly with a known deficiency of the aircraft, the worn fuel injector with an interior leak, which resulted in loss of engine power, and the pilot's failure to maintain adequate airspeed, which resulted in a stall.NTSB NYC87LA144Accident · Minor injuriesLimited investigationFinal reportMooney M20F · Caldwell, NJDrg a ngt takeoff, the eng lost pwr shortly after lift-off & the plt chose an area away from bldgs & obstructions for an emerg landing. However, drg the landing, the acft was extensively damaged. An exam revealed the rgt fuel tank was empty & the left tank…NTSB LAX86LA076Accident · No injuriesLimited investigationFinal reportMooney M20F · San Manuel, AZDuring cruise at 10,500 ft MSL on a night x-country flt, the plt said the eng ran rough with moderate vibration levels. Plt declared an emergency with abq ARTCC, who vectored the acft to an unlighted airstrip. The plt said he had difficultyin seeing the rwy…NTSB DEN84IA281Incident · No injuriesIncident investigationFinal reportMooney M20F · Saratoga, WYWhile in level cruise flt at 10500 ft, the plt heard a high-pitched whine that lasted for about 5 seconds. The engine then seized and the plt made a forced landing in mountainous foothills. During the landing roll, the landing gearcollapsed. Examination of…NTSB ATL84LA214Accident · Serious injuriesLimited investigationFinal reportMooney M-20F · Red Bay, ALThe acft landed gear up short of the rwy in an attempt to return to the rwy after a power loss at low alt. During takeoff the arpt manager said the engine sound change was consistent with power loss from fuel starvation. FAA did a post accident engine test…NTSB ATL82DA064Accident · No injuriesFinal reportMooney M20F · Belton, KYAfter leveling at 2500 ft, oil fumes were noted, but no abnormal indications were noted on the engine gauges. The pilot suspected oil had been spilled during a repair before takeoff. A short time later, the engine RPM began to increase & was adjusted by the…