NTSB investigations: Cessna 172N
23 cases on aircraft the registry lists as Cessna 172N, where the sequence of events included Loss of engine power (partial). 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
| 2009 | 2 |
|---|---|
| 2010 | 1 |
| 2011 | 2 |
| 2012 | 2 |
| 2013 | 1 |
| 2014 | 3 |
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2020 | 3 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 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\" = '342' 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" = '342' 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 ERA26LA342Accident · No injuriesClass 3 · LimitedPreliminary reportCessna 172N · Panama City, FLOn September 7, 2026, about 1059 central daylight time, a Cessna 172N airplane, N734NM, was substantially damaged when it was involved in an accident near Panama City, Florida. The student pilot and flight instructor were not injured. The airplane was…NTSB ERA26LA046Accident · Minor injuriesClass 3 · LimitedPreliminary reportCessna 172 · Palm Bay, FLOn November 17, 2025, about 1900 eastern standard time, a Cessna 172N, N6124D, was substantially damaged when it was involved in an accident near Palm Bay, Florida. The private pilot sustained minor injuries. The airplane was operated as a Title 14 Code of…NTSB CEN25LA168Accident · No injuriesClass 3 · LimitedFinal reportCessna 172N · Longmont, COThe disconnected throttle control that resulted in a loss of engine power due to improper maintenance.NTSB ERA24LA271Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Hernando, FLThe improper installation of a cylinder rocker stud by maintenance personnel, which resulted in a partial loss of engine power and subsequent forced landing.NTSB ERA22LA369Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 172 · Jamestown, NYA partial loss of engine power for reasons that could not be definitively determined.NTSB WPR21LA069Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · San Diego, CAA partial loss of engine power due to the fatigue fracture of the No. 3 exhaust valve rocker arm stud.NTSB WPR20LA212Accident · 2 fatalClass 3 · LimitedFinal reportCessna 172 · Lake Tahoe, CAThe partial loss of engine power due to carbon buildup in the No. 4 cylinder resulting from the pilot’s inadequate mixture-leaning procedures.NTSB WPR20LA136Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172 · Fresno, CAThe partial loss of engine power for reasons that could not be determined based on available evidence.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 ERA16LA231Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Hollywood, FLA partial loss of engine power during the initial climb for undetermined reasons.NTSB WPR15CA091Accident · Minor injuriesData collectionFinal reportCessna 172N · Makaha, HIA partial loss of engine power for reasons that could not be determined because the airplane was ditched and not recovered.NTSB WPR15LA086Accident · Serious injuriesLimited investigationFinal reportCessna 172N · Ualapue, HIA partial loss of engine power during cruise flight for reasons that could not be determined because the airplane was not recovered.NTSB CEN14FA435Accident · 1 fatalField investigationFinal reportCessna 172N · Natchitoches, LAThe partial loss of engine power due to the exhaust valve rocker retaining stud backing out of the cylinder head, which resulted in the exhaust valve being stuck in the closed position. Contributing to the accident was the pilot’s failure to configure the…NTSB ERA14CA375Accident · Minor injuriesData collectionFinal reportCessna 172N · Valkaria, FLThe pilot's misjudgment of speed and distance on final approach during a precautionary landing, resulting in a touchdown off the departure end of the runway and collision with terrain. A factor in the accident was a partial loss of engine power for reasons…NTSB CEN14LA276Accident · No injuriesLimited investigationFinal reportCessna 172N · Padre Island, TXThe loss of engine power for reasons that could not be determined based on the available evidence.NTSB ERA13FA217Accident · Minor injuriesField investigationFinal reportCessna 172N · Dade City, FLThe in-flight loosening of the No. 3 cylinder exhaust valve rocker arm stud, which resulted in a complete loss of engine power.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 ERA12LA191Accident · No injuriesLimited investigationFinal reportCessna 172N · Flat Rock, VAThe partial loss of engine power due to the failure of the exhaust valve spring seat for reasons that could not be determined.NTSB ERA12LA058Accident · Minor injuriesLimited investigationFinal reportCessna 172N · Pompano Beach, FLThe separation of the throttle cable from its fitting, which resulted in an inability to control engine power. Contributing to the accident was the inadequate maintenance by the owner.NTSB ERA11LA388Accident · No injuriesLimited investigationFinal reportCessna 172N · Orange Beach, ALThe operation of the airplane using unapproved fuels, which resulted in abnormal combustion and subsequent damage to the No. 3 cylinder. Contributing to the accident was the inadequate 100-hour inspection because the mechanic failed to note the lack of…NTSB ERA10LA275Accident · Serious injuriesLimited investigationFinal reportCessna 172N · Plattekill, NYThe pilot's failure to place the fuel selector valve in the appropriate position for takeoff resulting in a partial loss of engine power. Contributing to the accident was the pilot's attempted takeoff at a higher than allowed gross weight.NTSB WPR09LA245Accident · No injuriesLimited investigationFinal reportCessna 172N · Desert Center, CAA partial loss of engine power due to low compression from an obstructed intake valve. Contributing to the accident was the pilot’s decision to shut down the engine while in flight.NTSB CEN09CA253Accident · No injuriesData collectionFinal reportCessna 172N · Roanoke, TXThe partial loss of engine power due to a failure of the throttle control rod-end to carburetor arm hardware. A contributing factor was the pilot's decision to fly the airplane without a current annual inspection.