# NTSB MIA70F0072: Piper PA-25, N6973Z, Isabela, PR, July 9, 1969

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: July 9, 1969
- Place: Isabela, PR · ISABELA,PR, PR
- Location: 18.5017° N, 67.0237° W: Placed by OpenAirDocs: center of Isabela, PR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=18.5017&lon=-67.0237&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report August 25, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 168060
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA70F0072
- Page: https://openairdocs.org/ntsb/MIA70F0072

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2099   69/7/9    ISABELA,PR          PIPER PA-25         CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 42, 4290
        TIME - 1130                    N6973Z              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 1250 IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
        FACTOR(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           TERRAIN - HIDDEN OBSTRUCTIONS
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1250                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - OTHER                                     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 -  237                 SWATH RUN-HOW FLOWN - WIND CALM
         FIRE AFTER IMPACT
        REMARKS- SPRAYING SUGAR CANE. WIRES HIDDEN BY TREES.
```

## Aircraft

- Registration: [N6973Z](https://openairdocs.org/deregistered/N6973Z-1976-06-30), registration cancelled 1976-06-30, S/N 25-2641, built 1964 (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)
- Registry engine: [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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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