# NTSB investigations: Cessna 172S: Loss of engine power (partial)

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 ERA26LA014](https://openairdocs.org/ntsb/ERA26LA014.md): Cessna 172 · North Lauderdale, FL · Accident · No injuries · Class 4 · Limited · Final report · Oct 13, 2025 · N1206U · Substantial damage
  > A total loss of engine power due to a fuel delivery system leak, which allowed air to enter the fuel system. The source of the leak could not be determined based on the available evidence.
- [NTSB ERA25LA052](https://openairdocs.org/ntsb/ERA25LA052.md): Cessna 172S · Chattanooga, TN · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 19, 2024 · N951JA · Substantial damage
  > A partial loss of engine power due to a fouled spark plug in engine’s the No. 4 cylinder. Contributing was the flight instructor’s failure to maintain aircraft control during an attempted go-around following an unsuccessful landing approach in IMC, which…
- [NTSB ERA18LA074](https://openairdocs.org/ntsb/ERA18LA074.md): Cessna 172 · Babylon, NY · Accident · No injuries · Limited investigation · Final report · Jan 29, 2018 · N294ME · Substantial damage
  > The partial loss of engine power after a simulated engine failure for reasons that could not be determined because a postaccident examination and an engine test run did not reveal any anomalies that would have precluded normal operation.
- [NTSB WPR18LA002](https://openairdocs.org/ntsb/WPR18LA002.md): Cessna 172S · Tonopah, NV · Accident · No injuries · Limited investigation · Final report · Oct 2, 2017 · N5311H · Substantial damage
  > The pilot's failure to enrich the mixture during the descent, as required by the Pilot's Operating Handbook (POH), and his subsequent failure to follow the POH emergency procedures, which resulted in an excessively lean fuel/air mixture and subsequent loss of…
- [NTSB ERA15LA094](https://openairdocs.org/ntsb/ERA15LA094.md): Cessna 172 · Norfolk, VA · Accident · No injuries · Limited investigation · Final report · Jan 6, 2015 · N2102P · Substantial damage
  > The engine’s failure to regain full power after a simulated engine failure for reasons that could not be determined during postaccident examinations and testing.
- [NTSB WPR15LA014](https://openairdocs.org/ntsb/WPR15LA014.md): Cessna 172S · Big Bear, CA · Accident · Serious injuries · Limited investigation · Final report · Oct 16, 2014 · N612SP · Substantial damage
  > A partial loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB ERA14FA283](https://openairdocs.org/ntsb/ERA14FA283.md): Cessna 172S · Daytona Beach, FL · Accident · 2 fatal · Field investigation · Final report · Jun 10, 2014 · N5524L · Destroyed
  > A partial loss of engine power during the initial climb after takeoff for reasons that could not be determined due to the postaccident condition of the wreckage. Contributing to the accident was the pilots' decision to turn back to the airport, which led to…
- [NTSB WPR11LA362](https://openairdocs.org/ntsb/WPR11LA362.md): Cessna 172S · Syracuse, UT · Accident · Minor injuries · Limited investigation · Final report · Aug 2, 2011 · N235GW · Substantial damage
  > The failure of the maintenance technicians who installed the engine to properly tighten the fuel injection servo to a spider supply line, which caused a loss of engine power due to fuel starvation.
- [NTSB WPR11LA201](https://openairdocs.org/ntsb/WPR11LA201.md): Cessna 172S · Payson, AZ · Accident · No injuries · Limited investigation · Final report · Apr 16, 2011 · N1835U · Substantial damage
  > The pilot's decision to conduct a touch-and-go arrival during his first flight to a high elevation airport, which resulted in an improper mixture adjustment and a partial loss of engine power for the takeoff and attempted climbout.
- [NTSB LAX08LA179](https://openairdocs.org/ntsb/LAX08LA179.md): Cessna 172S · Beaver, UT · Accident · Serious injuries · Limited investigation · Final report · Jun 12, 2008 · N233GW · Substantial damage
  > The pilot's failure to attain and maintain an adequate airspeed during the initial climb as a result of his inadequate preflight planning and improper use of the mixture control. Contributing to the accident were the tailwind and high density altitude.

## 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.aircraft_model_code IN ('2072439', '2072442')
    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
```

This list as a web page: https://openairdocs.org/ntsb-events/342/sequence?model=2072439

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