# NTSB UNK64X2433: Piper PA18A, N7172D, Swan Valley, ID, June 22, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 22, 1964
- Place: Swan Valley, ID · SWAN VALLEY, ID
- Location: 43.4426° N, 111.3245° W: Placed by OpenAirDocs: center of Swan Valley, ID, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.4426&lon=-111.3245&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 6, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 183476
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X2433
- Page: https://openairdocs.org/ntsb/UNK64X2433

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1774  64/6/22    SWAN VALLEY ID      PIPER PA18A         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1950                    N7172D              PX-  0  0  0  AERIAL APPLICATION        AGE 25, 5000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            300 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: SWATH RUN
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - FUEL SYSTEM: CARBURETOR
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE INSPECTION OF AIRCRAFT (MAINTENANCE PERSONNEL)
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1200                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - UNKNOWN/NOT REPORTED                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - AFT OF PILOT                      ELEVATION-AREA BEING TREATED-FEET -  5700
          SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- ACCELERATOR PUMP ROD END NOT SAFETIED
```

## Aircraft

- Registration: [N7172D](https://openairdocs.org/deregistered/N7172D-1970-09-03), registration cancelled 1970-09-03, S/N 18-5630 (OpenAirDocs)
- Reported make and model: PIPER PA18A
- Registry model: [Piper PA-18A 150](https://openairdocs.org/model/piper-pa-18a-150) (registry code 7101837) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N7172D (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 SEA66F0022](https://openairdocs.org/ntsb/SEA66F0022), Jul 13, 1965: Piper PA-18A (N7172D), Idaho Falls, ID, destroyed

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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