# NTSB SEA73DYG05: Piper PA-11, N4930H, Wapato, WA, July 20, 1972

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: July 20, 1972
- Place: Wapato, WA · WAPATO, WA
- Location: 46.4436° N, 120.4215° W: Placed by OpenAirDocs: center of Wapato, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.4436&lon=-120.4215&mi=10
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report March 1, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 168132
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA73DYG05
- Page: https://openairdocs.org/ntsb/SEA73DYG05

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2575  72/7/20    WAPATO,WASH         PIPER PA-11         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 32, 775
        TIME - 1410                    N4930H              PX-  0  0  0  BUSINESS                  TOTAL HOURS, 728 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          TOPPENISH WASH              YAKIMA WASH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - IMPROPER COMPENSATION FOR WIND CONDITIONS
           WEATHER - TURBULENCE IN FLIGHT,CLEAR AIR
        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                                                      95
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- PILOT STATED THAT HE WAS BEHIND THE AIRPLANE INDICATED A LOSS OF CONTROL OR OVER CONTROL.
```

## Aircraft

- Registration: [N4930H](https://openairdocs.org/aircraft/N4930H), registered now, S/N 11-802, built 1948 (OpenAirDocs)
- Reported make and model: PIPER PA-11
- Registry model: [Piper PA-11](https://openairdocs.org/model/piper-pa-11) (registry code 7101102) (OpenAirDocs)
- Registry engine: [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505, 4 cycle) (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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