NTSB investigations: Continental IO-520-F

8 cases on aircraft whose registry engine model is Continental IO-520-F, 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

19852026
NTSB investigations: Continental IO-520-F per year, 1985–2026: 8 cases
19851
19861
19883
20001
20072

Latest 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.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"

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.

NTSB ANC07LA085Accident · No injuriesLimited investigationFinal reportCessna 207 · Fairbanks, AKThe 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.Aug 17, 2007 · N73463 · Substantial damageNTSB ANC07FA013Accident · 1 fatalField investigationFinal reportCessna 207A · Kenai, AKThe 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…Jan 9, 2007 · N9941M · Substantial damageNTSB ANC00LA035Accident · Minor injuriesLimited investigationFinal reportCessna 207 · Delta Junction, AKThe 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.Mar 10, 2000 · N75703 · Substantial damageNTSB ANC89LA007Accident · No injuriesLimited investigationFinal reportCessna 207 · Perde Bay, AKThe 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…Oct 10, 1988 · N9965M · Substantial damageNTSB ANC88LA106Accident · No injuriesLimited investigationFinal reportCessna 207A · Cooper Landing, AKAfter 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…Aug 8, 1988 · N9829M · Substantial damageNTSB ANC88IA047Incident · No injuriesIncident investigationFinal reportCessna 207A · Takslesuk Lake, AKThe 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…Apr 14, 1988 · N73188 · Minor damageNTSB ANC86IA033Incident · No injuriesIncident investigationFinal reportCessna 207 · Barrow, AKEngine 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.Mar 10, 1986 · N9943M · Minor damageNTSB ANC85LA053Accident · Minor injuriesLimited investigationFinal reportCessna 207 · Mcgrath, AKThe 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.Mar 11, 1985 · N9937M · Substantial damage