# NTSB SEA70DWG09: Boeing E75, N5685N, Southwick, ID, April 8, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 8, 1970
- Place: Southwick, ID · SOUTHWICK, ID
- Location: 46.6035° N, 116.4721° W: Placed by OpenAirDocs: center of Southwick, ID, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.6035&lon=-116.4721&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report January 13, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 129599
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA70DWG09
- Page: https://openairdocs.org/ntsb/SEA70DWG09

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1820   70/4/8  NR.SOUTHWICK,ID       BOEING E75          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 46, 4470
        TIME - 1030                    N5685N              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 1250 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          FIELD STRIP,IDAHO           LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           NOSE OVER/DOWN                                           TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - EXERCISED POOR JUDGMENT
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           TERRAIN - WET,SOFT GROUND
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - DOWNWIND
           WEATHER - UNFAVORABLE WIND CONDITIONS
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        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                  TEMPERATURE-F
          NONE                                                      62
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          135                                                       8
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 3250                       KIND OF OPERATION - FERTILIZING (DUST)
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - DRY CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT
        REMARKS- DNWND T/O WITH GUST 12KTS ON 1800FT STRIP.DA APPROX 4600FT.T/O AREA WET AND SLICK.ACFT HVY LOADED.
```

## Aircraft

- Registration: [N5685N](https://openairdocs.org/deregistered/N5685N-2008-05-09), registration cancelled 2008-05-09, S/N 75-8701, built 1943 (OpenAirDocs)
- Reported make and model: BOEING E75
- Registry model: [Boeing E75](https://openairdocs.org/model/boeing-e75) (registry code 1380120) (OpenAirDocs)
- Registry engine: [Lycoming R680E series](https://openairdocs.org/engine/lycoming-r680e-series) (registry code 41545, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N5685N (3)

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 SEA69D0235](https://openairdocs.org/ntsb/SEA69D0235), Apr 26, 1969: Stearman PT-17 (N5685N), Craigmont, ID, substantial damage
- [NTSB SEA69D0154](https://openairdocs.org/ntsb/SEA69D0154), Nov 27, 1968: Stearman A75 (N5685N), Deary, ID, substantial damage
- [NTSB UNK64X3034](https://openairdocs.org/ntsb/UNK64X3034), Jul 25, 1964: Boeing E75 (N5685N), Craigmont, ID, 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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