NTSB investigations: Cessna 172N
11 cases on aircraft the registry lists as Cessna 172N, where the sequence of events included Powerplant sys/comp malf/fail. 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
| 2008 | 1 |
|---|---|
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2012 | 1 |
| 2014 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2023 | 1 |
| 2024 | 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 ('2072434')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s.\"tier2Number\" = '340' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"isDefiningEvent\")))
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 ('2072434')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '340' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
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 WPR24LA229Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172N · San Diego, CAA failure of the No. 2 cylinder due to fatigue cracking as the result of an undersized fillet radius around the edge of the cylinder head dome.NTSB CEN23LA188Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Flower Mound, TXThe fatigue failure of the rocker arm which resulted in a partial loss of engine power. Contributing was the airplane operator’s failure to inspect the rocker arm in accordance with the engine manufacturer’s service bulletin.NTSB WPR19LA092Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Melba, IDThe total loss of engine power due to a separated carburetor idle mixture adjustment screw and spring assembly for reasons that could not be determined.NTSB ERA19LA079Accident · No injuriesLimited investigationFinal reportCessna 172 · Fort Lauderdale, FLA total loss of engine power due to the fatigue fracture of the No. 2 exhaust rocker arm stud.NTSB ANC18LA011Accident · Minor injuriesLimited investigationFinal reportCessna 172 · Oloh, MSA partial loss of engine power due to the failure of the No. 3 valve key (exhaust).NTSB CEN14LA374Accident · No injuriesLimited investigationFinal reportCessna 172N · Rockville, INA partial loss of engine power due to a failure of the dual magneto system. Contributing to the accident was the improper maintenance of the duel magneto system.NTSB WPR12LA306Accident · No injuriesLimited investigationFinal reportCessna 172N · Rockford, IDA partial loss of engine power during cruise flight due to the failure of the No. 3 cylinder exhaust valve for reasons that could not be determined due to the damage to the valve head and the missing valve stem. Contributing to the accident was the flight…NTSB CEN11LA413Accident · No injuriesLimited investigationFinal reportCessna 172N · Bedford Park, ILA loss of engine power due to a fractured push rod precipitated by a stuck exhaust valve.NTSB CEN10LA123Accident · Minor injuriesLimited investigationFinal reportCessna 172N · Genoa City, WIA total loss of engine power due to the failure of the bolts that held in place the connecting rods to the engine's No. 3 and No. 4 cylinders as a result of the engine overhaul facility's improper installation of the bolts during a recent overhaul.NTSB ERA09LA399Accident · No injuriesLimited investigationFinal reportCessna 172N · Rochester, MAAn engine vibration as reported by the pilot, for undetermined reasons.NTSB CHI08CA139Accident · No injuriesData collectionFinal reportCessna 172N · Blue Ash, OHThe separation of the throttle cable from the linkage during the approach to land and the altitude/clearance not being available to the pilot during the forced landing. Contributing to the accident was the electrical wires the airplane impacted.