# NTSB SEA68D0109: Aeronca 7AC, N82901, Wh.Sulph.Spg, MT, July 3, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 3, 1967
- Place: Wh.Sulph.Spg, MT · WH.SULPH.SPG, MT
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 21, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 114737
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA68D0109
- Page: https://openairdocs.org/ntsb/SEA68D0109

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3545   67/7/3    WH.SULPH.SPG,MONT   AERONCA 7AC         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 2020                    N82901              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   AGE 29, 3900 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            900 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              IN FLIGHT: EN ROUTE TO RELOADING AREA
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           PILOT IN COMMAND - CONTINUED FLIGHT INTO KNOWN AREAS OF SEVERE TURBULENCE
        FACTOR(S)
           WEATHER - DOWNDRAFT,UPDRAFTS
           WEATHER - THUNDERSTORM ACTIVITY
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     UNKNOWN/NOT REPORTED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          NONE                                                     315
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           70                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  100                       KIND OF OPERATION - DEFOLIATION (DUST)
          KIND OF CROP - SAGE                                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - AFT OF PILOT                      TERRAIN-TYPE -MOUNTAINOUS
        REMARKS- STRONG FRONTAL WINDS,GUSTING TO 70K.
```

## Aircraft

- Registration: [N82901](https://openairdocs.org/deregistered/N82901-1968-08-26), registration cancelled 1968-08-26, S/N 7AC-1551 (OpenAirDocs)
- Reported make and model: AERONCA 7AC
- Registry model: [Aeronca 7AC](https://openairdocs.org/model/aeronca-7ac) (registry code 2110102) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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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