# NTSB SEA79AA058: Douglas DC-7C, N4SW, Klamath Falls, OR, September 14, 1979

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: September 14, 1979
- Place: Klamath Falls, OR · KLAMATH FALLS, OR
- Location: 42.2158° N, 121.7758° W: Placed by OpenAirDocs: center of Klamath Falls, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.2158&lon=-121.7758&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 12 fatal
- Status: Completed, report January 28, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 133635
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA79AA058
- Page: https://openairdocs.org/ntsb/SEA79AA058

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3071  79/9/14  NR.KLAMATH FALLS,OR   DOUGLAS DC-7C       CR-  2  0  0  NONCOMMERCIAL             COMMERCIAL, AGE 59, 8200
        TIME - 2047                    N4SW                PX- 10  0  0  CORP/EXEC                 TOTAL HOURS, 475 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          REDMOND,OR                  MEDOFRD,OR                  KLAMATH FALLS,OR
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           PILOT IN COMMAND - MISJUDGED ALTITUDE
         FIRE AFTER IMPACT
        REMARKS- HIT TREES AT CREST OF MOUNTAIN RIDGE ALONG FLIGHT PATH.
```

## Aircraft

- Registration: [N4SW](https://openairdocs.org/deregistered/N4SW-1980-07-28), registration cancelled 1980-07-28, S/N 44287, built 1962 (OpenAirDocs)
- Reported make and model: DOUGLAS DC-7C
- Registry model: [Douglas DC-7](https://openairdocs.org/model/douglas-dc-7) (registry code 3021802) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## 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 19790914036439A](https://openairdocs.org/incident/19790914036439A), Sep 14, 1979: Doug DC7C, Klamath Falls, OR, No damage, 10 fatal. Aircraft departed on night flight. Hit a tree on a ridge 24 miles from the airport of departure.

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.

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