# NTSB SEA93LA070: Cessna 172M, N12698, Salem, OR, February 28, 1993

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: February 28, 1993, 13:56 local (21:56 UTC)
- Place: Salem, OR
- Location: 44.9429° N, 123.0351° W: Placed by OpenAirDocs: center of Salem, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.9429&lon=-123.0351&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 13, 1993
- Report: Approved by Office Director
- NTSB case key (mKey): 42993
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA93LA070
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/42993/pdf
- Page: https://openairdocs.org/ntsb/SEA93LA070

## Probable cause

THE FAILURE OF THE ENGINE OIL PUMP IMPELLER.

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of engine power(total) - mech failure/malf, cruise - normal
  - lubricating system,oil pressure pump - failure,total (cause)
- Forced landing, descent - emergency
- Nose over, landing - roll

## Analysis

THE ENGINE LOST POWER IN CRUISE FLT AND THE PILOT INITIATED AN EMERGENCY FORCED LANDING.  THE ACFT NOSE LANDING GEAR SANK INTO SOFT DIRT DURING GROUND ROLL AND THE ACFT NOSED OVER.

## Aircraft

- Registration: [N12698](https://openairdocs.org/aircraft/N12698), registered now, S/N 17262187, built 1973 (OpenAirDocs)
- Reported make and model: CESSNA 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (registry code 2072418) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 17262187
- Airframe hours: 5329
- Engines: LYCOMING O-320-E2D 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Operator: Western Wings
- Registered owner: Baker, Curtis H.
- Airworthiness certificate: Standard, Utility; Standard, Normal
- Last inspection: Annual, March 12, 1992, 255 hours before
- Departed: RDM, REDMOND, OR
- Flight plan: VFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 28; student; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 40 total, 18 as pilot in command

## Weather

- Conditions: Visual (VMC), Day
- Wind: 50° at 5 knots
- Visibility: 75 statute miles
- Lowest ceiling: none
- Temperature: 52 °F, dew point 28 °F
- Altimeter: 30.00 inHg
- Observed at: SLE, 10 nm away

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19930228003879A](https://openairdocs.org/incident/19930228003879A), Feb 28, 1993: Cessna 172M, Salem, OR, Substantial damage. Lost power. Nosed over in a furrowed field. Oil pump failed. Aluminum impeller wore out. Service bulletin item.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.