# NTSB UNK65X0112: Piper PA11, N4977H, Jasper, MO, October 2, 1964

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: October 2, 1964
- Place: Jasper, MO · JASPER, MO
- Location: 37.3357° N, 94.3028° W: Placed by OpenAirDocs: center of Jasper, MO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.3357&lon=-94.3028&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report February 25, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 181167
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK65X0112
- Page: https://openairdocs.org/ntsb/UNK65X0112

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3837   64/10/2   JASPER MO           PIPER PA11          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 55, 3025
        TIME - UNK/NR                  N4977H              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 500 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              IN FLIGHT: PROCEDURE TURNAROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1000                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - BELLY                             TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  100                 SWATH RUN-HOW FLOWN - UPWIND
          PROCEDURE TURNAROUND - THIRD 1/3 TURN
```

## Aircraft

- Registration: [N4977H](https://openairdocs.org/deregistered/N4977H-2012-08-09), registration cancelled 2012-08-09, S/N 11-857, built 1948 (OpenAirDocs)
- Reported make and model: PIPER PA11
- Registry model: [Piper PA-11](https://openairdocs.org/model/piper-pa-11) (registry code 7101102) (OpenAirDocs)
- Registry engine: [Continental C90 series](https://openairdocs.org/engine/continental-c90-series) (registry code 17009, reciprocating) (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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