# NTSB DEN80FTE71: Cessna 340, N764R, Steamboat Spgs, CO, August 15, 1980

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 15, 1980
- Place: Steamboat Spgs, CO · STEAMBOAT SPGS, CO
- Location: 40.4756° N, 106.8229° W: Placed by OpenAirDocs: center of Steamboat Springs, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.4756&lon=-106.8229&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report November 22, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 129311
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN80FTE71
- Page: https://openairdocs.org/ntsb/DEN80FTE71

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2703  80/8/15    STEAMBOAT SPGS,CO   CESSNA 340          CR-  0  0  2  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 1650                    N764R               PX-  0  0  2  CORP/EXEC                 32, 6000 TOTAL HOURS, 180
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - ROUTT COUNTY
        DEPARTURE POINT             INTENDED DESTINATION
          STEAMBOAT SPGS,CO           COLORADO SPRINGS,CO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: RUN
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: ABORTED
        PROBABLE CAUSE(S)
           POWERPLANT - IGNITION SYSTEM: SPARK PLUG
           MISCELLANEOUS ACTS,CONDITIONS - CARBON DEPOSITS
           AIRFRAME - LANDING GEAR: BRAKING SYSTEM (NORMAL SYSTEM)
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        REMARKS- CARBON FND ON MOST SPARK PLUGS,NO 2 BTM & NO 4 TOP CKD INTMT,NOS 4 & 6 BTM CKD INTMT TO DEAD.
```

## Aircraft

- Registration: [N764R](https://openairdocs.org/deregistered/N764R-2019-01-09), registration cancelled 2019-01-09, S/N 421C0708 (OpenAirDocs)
- Reported make and model: CESSNA 340
- Registry model: [Cessna 421C](https://openairdocs.org/model/cessna-421c) (registry code 2076016) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Routt County

## 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 19800815036589A](https://openairdocs.org/incident/19800815036589A), Aug 15, 1980: Cessna 340A, Steamboat Sprin, CO, Substantial damage. Aborted takeoff midway on runway no left brake, veered off runway down an embankment. No engine defects.

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.