# NTSB investigations: Mooney M20F: 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. ## Latest cases - [NTSB LAX08LA008](https://openairdocs.org/ntsb/LAX08LA008.md): Mooney M20F · Alamo, NV · Accident · No injuries · Limited investigation · Final report · Oct 9, 2007 · N9612M · Substantial damage > Failure of the number 2 cylinder piston compression ring, which resulted in oil exhaustion and a catastrophic internal engine failure. - [NTSB MIA04LA127](https://openairdocs.org/ntsb/MIA04LA127.md): Mooney M20F · Brandon, MS · Accident · No injuries · Limited investigation · Final report · Sep 5, 2004 · N9708M · Substantial damage > A 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 FTW02LA108](https://openairdocs.org/ntsb/FTW02LA108.md): Mooney M20F · Grapeland, TX · Accident · No injuries · Limited investigation · Final report · Mar 30, 2002 · N9530M · Substantial damage > The 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 FTW00LA127](https://openairdocs.org/ntsb/FTW00LA127.md): Mooney M20F · Tomball, TX · Accident · Minor injuries · Limited investigation · Final report · Apr 19, 2000 · N7038V · Substantial damage > Engine seizure due to the rupture of an oil cooler line. - [NTSB NYC98LA056](https://openairdocs.org/ntsb/NYC98LA056.md): Mooney M20F · Ferncliff, VA · Accident · Minor injuries · Limited investigation · Final report · Dec 28, 1997 · N9717M · Destroyed > the 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 MIA97FA242](https://openairdocs.org/ntsb/MIA97FA242.md): Mooney M20F · Coral Springs, FL · Accident · 1 fatal · Field investigation · Final report · Sep 11, 1997 · N6417Q · Substantial damage > The 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 ATL97FA115](https://openairdocs.org/ntsb/ATL97FA115.md): Mooney M20F · Tallahassee, FL · Accident · 2 fatal · Field investigation · Final report · Aug 11, 1997 · N3455X · Destroyed > fatigue failure of the crankshaft for undetermined reasons. Related factors were: darkness, and obstructions (trees) in the emergency landing area. - [NTSB CHI94LA315](https://openairdocs.org/ntsb/CHI94LA315.md): Mooney M20F · Hanston, KS · Accident · Minor injuries · Limited investigation · Final report · Sep 8, 1994 · N9310V · Destroyed > The 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 ATL92LA143](https://openairdocs.org/ntsb/ATL92LA143.md): Mooney M20F · Eufaula, AL · Accident · Minor injuries · Limited investigation · Final report · Jul 23, 1992 · N6730N · Substantial damage > The failure of the fuel injector servo as a result of the sticking bushing between the diaphragms. - [NTSB ANC91LA113](https://openairdocs.org/ntsb/ANC91LA113.md): Mooney M-20F · Wood River, AK · Accident · No injuries · Limited investigation · Final report · Aug 2, 1991 · N6848V · Substantial damage > The 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 SEA91LA006](https://openairdocs.org/ntsb/SEA91LA006.md): Mooney M20F · Casper, WY · Accident · No injuries · Limited investigation · Final report · Oct 13, 1990 · N9732M · Substantial damage > The 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 LAX89FA095](https://openairdocs.org/ntsb/LAX89FA095.md): Mooney M20F · Truckee, CA · Accident · 1 fatal · Field investigation · Final report · Jan 26, 1989 · N3274F · Destroyed > The 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 NYC87LA144](https://openairdocs.org/ntsb/NYC87LA144.md): Mooney M20F · Caldwell, NJ · Accident · Minor injuries · Limited investigation · Final report · May 9, 1987 · N9374V · Destroyed > Drg 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 LAX86LA076](https://openairdocs.org/ntsb/LAX86LA076.md): Mooney M20F · San Manuel, AZ · Accident · No injuries · Limited investigation · Final report · Dec 28, 1985 · N234GA · Substantial damage > During 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 DEN84IA281](https://openairdocs.org/ntsb/DEN84IA281.md): Mooney M20F · Saratoga, WY · Incident · No injuries · Incident investigation · Final report · Sep 5, 1984 · N9121V · Minor damage > While 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 ATL84LA214](https://openairdocs.org/ntsb/ATL84LA214.md): Mooney M-20F · Red Bay, AL · Accident · Serious injuries · Limited investigation · Final report · Jul 1, 1984 · N3207F · Substantial damage > The 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 ATL82DA064](https://openairdocs.org/ntsb/ATL82DA064.md): Mooney M20F · Belton, KY · Accident · No injuries · Final report · Mar 2, 1982 · N6318Q · Substantial damage > After 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… ## 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."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 ``` This list as a web page: https://openairdocs.org/ntsb?model=5870214&occurrence=351 --- 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.