# NTSB SEA72FYG39: Piper PA-25, N7436Z, Troy, ID, May 23, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 23, 1972
- Place: Troy, ID · TROY, ID
- Location: 46.7380° N, 116.7732° W: Placed by OpenAirDocs: center of Troy, ID, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.7380&lon=-116.7732&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 16, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 166944
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA72FYG39
- Page: https://openairdocs.org/ntsb/SEA72FYG39

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2095  72/5/23    TROY,ID             PIPER PA-25         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 37, 7450
        TIME - 1230                    N7436Z              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 2000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          TROY,ID                     LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: CROP                                      IN FLIGHT: STARTING SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED CLEARANCE
        FACTOR(S)
           TERRAIN - HIGH VEGETATION
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 7450                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - USED
          CRASH HELMET - AVAILABLE USED                            CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -ROLLING
          ELEVATION-AREA BEING TREATED-FEET -  2850                SWATH RUN-HOW FLOWN - CROSSWIND
        REMARKS- ACFT EQPTD WITH WING DROOP TIPS,EXT 12IN BLO.HIT 3FT HIGH RAPE.TERRAIN RISES GRADUALLY.
```

## Aircraft

- Registration: [N7436Z](https://openairdocs.org/deregistered/N7436Z-1985-10-16), registration cancelled 1985-10-16, S/N 25-3421 (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: Substantial damage

## Other investigations on N7436Z (2)

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 SEA76FYC54](https://openairdocs.org/ntsb/SEA76FYC54), May 26, 1976: Piper PA-25 (N7436Z), Rickreall, OR, substantial damage
- [NTSB SEA66F0226](https://openairdocs.org/ntsb/SEA66F0226), Mar 10, 1966: Piper PA-25 (N7436Z), Hubbard, OR, 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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