# NTSB SEA78DYK20: Beech 35, N3943N, Crescent Lake, OR, July 15, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 15, 1978
- Place: Crescent Lake, OR · CRESCENT LAKE, OR
- Location: 43.5096° N, 121.9353° W: Placed by OpenAirDocs: center of Crescent Lake, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.5096&lon=-121.9353&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 2, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 140819
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA78DYK20
- Page: https://openairdocs.org/ntsb/SEA78DYK20

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2638  78/7/15    CRESCENT LAKE,OR    BEECH 35            CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 39, 260
        TIME - 1430                    N3943N              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 114 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - CRESCENT LAKE
        DEPARTURE POINT             INTENDED DESTINATION
          SACRAMENTO,CA               CRESCENT LAKE,OR
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: LEVEL OFF/TOUCHDOWN
           COLLIDED WITH: TREES                                     LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - FAILED TO INITIATE GO-AROUND
           WEATHER - SUDDEN WINDSHIFT
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        WEATHER BRIEFING - BRIEFING RECEIVED-METHOD UNKNOWN
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     RIGHT CROSS WIND 068-112 DEGREES
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           15                                                      VFR
        TYPE OF FLIGHT PLAN
          VFR
        REMARKS- GUSTING TO 20K.
```

## Aircraft

- Registration: [N3943N](https://openairdocs.org/aircraft/N3943N), registered now, S/N D-1290, built 1948 (OpenAirDocs)
- Reported make and model: BEECH 35
- Registry model: [Beech 35](https://openairdocs.org/model/beech-35) (registry code 1151502) (OpenAirDocs)
- Registry engine: [Continental E225 series](https://openairdocs.org/engine/continental-e225-series) (registry code 17015, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Crescent Lake

## 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 19780715030129A](https://openairdocs.org/incident/19780715030129A), Jul 15, 1978: Beech 35BEECH, Crescent Lake, OR, Substantial damage. Gusting to 20K.

## Other investigations on N3943N (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 MKC68F0333](https://openairdocs.org/ntsb/MKC68F0333), Oct 30, 1967: Beech 35 (N3943N), Minneapolis, MN, substantial damage

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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