# NTSB SEA78FYP50: Cessna T210M, N761CM, Spokane, WA, September 1, 1978

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: September 1, 1978
- Place: Spokane, WA · SPOKANE, WA
- Location: 47.6588° N, 117.4260° W: Placed by OpenAirDocs: center of Spokane, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.6588&lon=-117.4260&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report November 8, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 139724
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA78FYP50
- Page: https://openairdocs.org/ntsb/SEA78FYP50

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2845   78/9/1  NR.SPOKANE,WA         CESSNA T210M        CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 40, 1573
        TIME - 1515                    N761CM              PX-  0  0  0  BUSINESS                  TOTAL HOURS, 434 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          YAKIMA,WA                  SPOKANE,WA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CRANKSHAFT
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           TERRAIN - WET,SOFT GROUND
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- CRANKSHAFT BROKEN THROUGH #3 ROD JOURNAL.
```

## Aircraft

- Registration: [N761CM](https://openairdocs.org/deregistered/N761CM-1991-10-31), registration cancelled 1991-10-31, S/N 21062150 (OpenAirDocs)
- Reported make and model: CESSNA T210M
- Registry model: [Cessna T210M](https://openairdocs.org/model/cessna-t210m) (registry code 2073451) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## 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 19780901031329A](https://openairdocs.org/incident/19780901031329A), Sep 1, 1978: Cessna 210H, Spokane, WA, Substantial damage. Crankshaft broken through #3 rod journal.

## Other investigations on N761CM (1)

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.

- [NTSB DEN91FA061](https://openairdocs.org/ntsb/DEN91FA061), Apr 19, 1991: Cessna T210M (N761CM), Littleton, CO, destroyed. Probable cause: IMPROPER REASSEMBLY OF THE OVERHAULED TURBOCHARGER BY MAINTENANCE PERSONNEL, AND THE PILOT'S IMPROPER USE OF THE MIXTURE CONTROL AND BOOST PUMP. FACTORS RELATED TO THE ACCIDENT WERE: THE ADVERSE…

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.
