NTSB investigations: Cessna 207A
11 cases on aircraft the registry lists as Cessna 207A, 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
| 1984 | 1 |
|---|---|
| 1985 | 1 |
| 1986 | 1 |
| 1988 | 3 |
| 1995 | 1 |
| 2000 | 1 |
| 2003 | 1 |
| 2007 | 2 |
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 ('2073605', '2073604')
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 ('2073605', '2073604')
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 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.NTSB 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…NTSB ANC03LA091Accident · No injuriesLimited investigationFinal reportCessna 207A · Bethel, AKA complete loss of engine power during cruise flight due to the shifting of a main crankshaft bearing that produced a fatigue failure of the crankshaft. A factor contributing to the accident was unsuitable terrain for a forced landing, which resulted in a…NTSB 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.NTSB ANC96LA017Accident · No injuriesLimited investigationFinal reportCessna 207 · Aniak, AKfatigue failure of the engine crankshaft at the number 2 main bearing journal, where rubbing contact had occurred with the number 2 main bearing. A factor relating to the accident was: the lack of suitable terrain for an emergency landing.NTSB 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…NTSB 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…NTSB 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…NTSB 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.NTSB 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.NTSB ANC84LA147Accident · No injuriesLimited investigationFinal reportCessna 207A · Sleetmute, AKWhile cruising at 1100 ft AGL the eng failed without warning. Efforts to restart were unsuccessful. A forced landing was made into wooded terrain and the acft nosed over during the roll. Eng exam revealed that the crankshaft was broken through the crank cheek…