# NTSB investigations: Continental IO-520-F: 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 ANC07LA085](https://openairdocs.org/ntsb/ANC07LA085.md): Cessna 207 · Fairbanks, AK · Accident · No injuries · Limited investigation · Final report · Aug 17, 2007 · N73463 · Substantial damage
  > The loss of engine power in cruise flight due to a lack of sufficient oil. A factor contributing to the accident was the pilot's improper in-flight decision to continue the flight after noting a loss of oil pressure.
- [NTSB ANC07FA013](https://openairdocs.org/ntsb/ANC07FA013.md): Cessna 207A · Kenai, AK · Accident · 1 fatal · Field investigation · Final report · Jan 9, 2007 · N9941M · Substantial damage
  > The total loss of engine power during cruise flight due to the disintegration of engine bearings and the fracture of a connecting rod, which resulted in a ditching into ice covered ocean water. Factors contributing to the survivability of the accident were…
- [NTSB ANC00LA035](https://openairdocs.org/ntsb/ANC00LA035.md): Cessna 207 · Delta Junction, AK · Accident · Minor injuries · Limited investigation · Final report · Mar 10, 2000 · N75703 · Substantial damage
  > The disintegration of the number two piston. A factor in this accident was the subsequent metal fouling of the spark plugs, which resulted in total loss of engine power.
- [NTSB ANC89LA007](https://openairdocs.org/ntsb/ANC89LA007.md): Cessna 207 · Perde Bay, AK · Accident · No injuries · Limited investigation · Final report · Oct 10, 1988 · N9965M · Substantial damage
  > The pilot experienced a power loss during cruise flight and during his descent the engine stopped producing power. He landed on the tundra and the airplane was substantially damaged. An engine teardown revealed that the number 4 piston was burned past…
- [NTSB ANC88LA106](https://openairdocs.org/ntsb/ANC88LA106.md): Cessna 207A · Cooper Landing, AK · Accident · No injuries · Limited investigation · Final report · Aug 8, 1988 · N9829M · Substantial damage
  > After loss of oil pressure then engine failure at 2,800 feet MSL, the pilot elected to make an emergency Landing along the shore line. After the pilot and passengers exited the aircraft, the airplane sank into 100 to 150 feet of water. Neither the airplane…
- [NTSB ANC88IA047](https://openairdocs.org/ntsb/ANC88IA047.md): Cessna 207A · Takslesuk Lake, AK · Incident · No injuries · Incident investigation · Final report · Apr 14, 1988 · N73188 · Minor damage
  > The scheduled commuter flight, friendship flight 305, was en route from chevak, Alaska to bethel, Alaska. During cruise flight, the airplane experienced an engine failure resulting a a forced landing on rough, snow covered terrain. The pilot-in-command stated…
- [NTSB ANC86IA033](https://openairdocs.org/ntsb/ANC86IA033.md): Cessna 207 · Barrow, AK · Incident · No injuries · Incident investigation · Final report · Mar 10, 1986 · N9943M · Minor damage
  > Engine failed and seized in flight. A forced landing and the snow covered tundra followed with no injuries & minor damage to the airplane. Engine teardown and exam revealed #3 cylinder wrist pin broken.
- [NTSB ANC85LA053](https://openairdocs.org/ntsb/ANC85LA053.md): Cessna 207 · Mcgrath, AK · Accident · Minor injuries · Limited investigation · Final report · Mar 11, 1985 · N9937M · Substantial damage
  > The acft contacted trees during a forced landing following an engine failure. Investigation revealed the crankshaft had failed for undetermined reasons. The enging had a total time of 1312 hrs since major overhaul.

## 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.engine_model_code IN ('17237')
    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?engine=17237&occurrence=351

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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.