# NTSB investigations: Cessna 172RG: Loss of engine power(total) - mech failure/malf

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 LAX02LA292](https://openairdocs.org/ntsb/LAX02LA292.md): Cessna 172RG · Del Mar, CA · Accident · No injuries · Limited investigation · Final report · Sep 21, 2002 · N6303V · Substantial damage
  > The loss of engine power due to failure of the number three connecting rod cap. Also causal was the failure of the pilot of a previous flight to report an engine overspeed event precluding the performance of the appropriate maintenance inspection.
- [NTSB FTW01LA085](https://openairdocs.org/ntsb/FTW01LA085.md): Cessna 172RG · Waco, TX · Accident · No injuries · Limited investigation · Final report · Mar 24, 2001 · N4823V · Substantial damage
  > the failure of the number four cylinder exhaust valve which resulted in a total loss of engine power during cruise. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB LAX01LA123](https://openairdocs.org/ntsb/LAX01LA123.md): Cessna 172RG · Stanford, CA · Accident · No injuries · Limited investigation · Final report · Mar 20, 2001 · N6307R · Substantial damage
  > Failure of company maintenance personnel to properly install and safety wire the oil filter, which subsequently lead to a loss of engine power.
- [NTSB LAX99LA134](https://openairdocs.org/ntsb/LAX99LA134.md): Cessna 172RG · Moorpark, CA · Accident · No injuries · Limited investigation · Final report · Mar 29, 1999 · N9451D · Substantial damage
  > The failure and separation of the number two cylinder for undetermined reasons. A factor was the soft terrain at the forced landing site.
- [NTSB FTW95LA117](https://openairdocs.org/ntsb/FTW95LA117.md): Cessna 172RG · Plano, TX · Accident · No injuries · Limited investigation · Final report · Feb 17, 1995 · N5096U · Substantial damage
  > The disengagement of the crankshaft gear due to the loosening of the gear retaining bolt and the subsequent fracture of the gear alignment dowel. A factor was the lack of suitable terrain available for the forced landing.
- [NTSB DEN92LA047](https://openairdocs.org/ntsb/DEN92LA047.md): Cessna 172RG · Elbert, CO · Accident · No injuries · Limited investigation · Final report · Apr 28, 1992 · N5282V · Substantial damage
  > Failure of the crankshaft left accessory gear which resulted in a complete power loss. A factor was: lack of suitable terrain for a forced landing.
- [NTSB ATL90LA172](https://openairdocs.org/ntsb/ATL90LA172.md): Cessna 172RG · Ozark, AL · Accident · No injuries · Limited investigation · Final report · Sep 17, 1990 · N6411V · Substantial damage
  > Inadequate engine overhaul procedures which allowed the installation of the engine plug without safety wire to hold it in place, and which resulted in oil starvation of the engine.
- [NTSB CHI88LA209](https://openairdocs.org/ntsb/CHI88LA209.md): Cessna 172RG · Mt. Vernon, OH · Accident · No injuries · Limited investigation · Final report · Aug 14, 1988 · N9769B · Substantial damage
  > While in cruise flight in VFR conditions and on an IFR flight plan, the pilot experienced a total loss of engine power. The pilot executed a forced landing in a soy bean field after an unsuccessful restart attempt. Examination of the oil cooler hose revealed…
- [NTSB MKC85LA188](https://openairdocs.org/ntsb/MKC85LA188.md): Cessna 172RG · Lee'S Summit, MO · Accident · No injuries · Limited investigation · Final report · Aug 17, 1985 · N4772R · Substantial damage
  > The plt reported that the eng start & run-up were normal before he took off on a night currency & proficiency flt. After 2 normal takeoffs & full stops, he made a 3rd takeoff. He climbed to 1000 ft AGL on a x-wind leg, reduced power to 20' manifold pressure &…
- [NTSB FTW83LA077](https://openairdocs.org/ntsb/FTW83LA077.md): Cessna 172RG · San Angelo, TX · Accident · No injuries · Limited investigation · Final report · Jan 6, 1983 · N5276U · Destroyed
  > The acft had reached an alt of 3500 ft MSL when the engine started to lose power. The pilot turned back toward his departure airport. The engine then lost all power and the pilot elected to land in a plowed field with landing gear down. When the acft touched…

## 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 ('2072438')
    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
```

This list as a web page: https://openairdocs.org/ntsb?model=2072438&occurrence=351

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