# NTSB MIA78DKQ36: Piper PA-18, N3687P, Mt.Olive, MS, August 5, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 5, 1978
- Place: Mt.Olive, MS · MT.OLIVE, MS
- Location: 31.7538° N, 89.6559° W: Placed by OpenAirDocs: center of Mount Olive, MS, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=31.7538&lon=-89.6559&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 26, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 139969
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA78DKQ36
- Page: https://openairdocs.org/ntsb/MIA78DKQ36

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2203   78/8/5  NR.MT.OLIVE,MS        PIPER PA-18         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 49, 5000
        TIME - 0900                    N3687P              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 800 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          COLLINS,MS                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: PROCEDURE TURNAROUND
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
        FACTOR(S)
           PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT
           POWERPLANT - FUEL SYSTEM: FUEL INJECTION SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER ALIGNMENT/ADJUSTMENT
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 4500                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - COTTON                                    TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - NOT AVAILABLE
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - BELLY                             TERRAIN-TYPE -ROLLING
          ELEVATION-AREA BEING TREATED-FEET -  200                 SWATH RUN-HOW FLOWN - UNKNOWN/NOT REPORTED
          PROCEDURE TURNAROUND - THIRD 1/3 TURN
        REMARKS- PLT INADVERTENTLY MOVED MIXTURE CONTROL TO CUT OFF POSITION WHILE ATTEMPTING TO LEAN MIXTURE.
```

## Aircraft

- Registration: [N3687P](https://openairdocs.org/aircraft/N3687P), registered now, S/N 18-4588 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18](https://openairdocs.org/model/piper-pa-18) (registry code 7101802) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## 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 19780805024609A](https://openairdocs.org/incident/19780805024609A), Aug 5, 1978: Piper PA18S125, Mt.Olive, MS, Substantial damage. Plt inadvertently moved mixture control to cut off position whileempting to lean mixture.

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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