# NTSB DEN71FXT07: Piper PA-25, N6722Z, Ogden, UT, September 3, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 3, 1970
- Place: Ogden, UT · OGDEN, UT
- Location: 41.2284° N, 111.9681° W: Placed by OpenAirDocs: center of Ogden, UT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.2284&lon=-111.9681&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 12, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 129325
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN71FXT07
- Page: https://openairdocs.org/ntsb/DEN71FXT07

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3611   70/9/3    OGDEN,UT            PIPER PA-25         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 27, 1000
        TIME - 1745                    N6722Z              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 400 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - OGDEN MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          OGDEN,UT                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: SWATH RUN
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CRANKSHAFT
           MISCELLANEOUS ACTS,CONDITIONS - DISCONNECTED
           TERRAIN - OTHER
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  400                       KIND OF OPERATION - OTHER
          KIND OF CROP - MOSQUITO CONTROL                          TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE-NOT USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -SWAMPY/WATER
          ELEVATION-AREA BEING TREATED-FEET -  4400                SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- BOLT AND PIN SECURING CRANKSHAFT DRIVE GR TO CRANKSHAFT FAILED.CRASH LND IN SWAMPY AREA.
```

## Aircraft

- Registration: N6722Z (not matched to a registry record)
- Reported make and model: PIPER PA-25
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Ogden Muni

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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