# NTSB IAD73FLT22: Piper PA-25, N7035Z, Silerton, TN, June 28, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 28, 1973
- Place: Silerton, TN · SILERTON, TN
- Location: 35.3424° N, 88.8099° W: Placed by OpenAirDocs: center of Silerton, TN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.3424&lon=-88.8099&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 15, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 173538
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD73FLT22
- Page: https://openairdocs.org/ntsb/IAD73FLT22

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1673  73/6/28    SILERTON,TENN       PIPER PA-25         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 24, 1615
        TIME - 1730                    N7035Z              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 600 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BOLIVAR,TENN                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: STARTING SWATH RUN
           COLLIDED WITH: TREES                                     LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           INSTRUMENTS/EQUIPMENT AND ACCESSORIES - MISCELLANEOUS EQUIPMENT: SPRAY,DUSTING EQUIPMENT
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           POWERPLANT - ENGINE CONTROLS: MIXTURE CONTROL ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - FUEL STARVATION
           TERRAIN - HIGH OBSTRUCTIONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  600                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - BEANS                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -ROLLING
          ELEVATION-AREA BEING TREATED-FEET -  600                 SWATH RUN-HOW FLOWN - DOWNWIND
         FIRE AFTER IMPACT
        REMARKS- 1 SPRAY PUMP BLADE MISSING.THROTTLE AND MIXTURE CABLES STRETCHED FUEL SHUT-OFF PULLED OUT.
```

## Aircraft

- Registration: [N7035Z](https://openairdocs.org/deregistered/N7035Z-1973-10-02), registration cancelled 1973-10-02, S/N 25-2796 (OpenAirDocs)
- Reported make and model: PIPER PA-25
- Registry model: [Piper PA-25-235](https://openairdocs.org/model/piper-pa-25-235) (registry code 7102504) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## 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 19730628016719A](https://openairdocs.org/incident/19730628016719A), Jun 28, 1973: Piper PA25235, Silerton, TN, Destroyed. 1 Spray pump blade missing. Throttle and mixture cables stretched fuel shut-off pulled out.

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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