# NTSB SEA81DYA12: Piper PA-25, N7312Z, Rockford, ID, June 11, 1981

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: June 11, 1981
- Place: Rockford, ID · ROCKFORD, ID
- Location: 43.1892° N, 112.5306° W: Placed by OpenAirDocs: center of Rockford, ID, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.1892&lon=-112.5306&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report July 13, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 125535
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA81DYA12
- Page: https://openairdocs.org/ntsb/SEA81DYA12

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1138  81/6/11    ROCKFORD,ID         PIPER PA-25         CR-  0  1  0  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1500                    N7312Z              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   AGE 44, 1586 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            83 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ROCKFORD,ID                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
           WEATHER - HIGH DENSITY ALTITUDE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        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                                                      80
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          180                                                       10
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         SPECIAL DATA
          KIND OF OPERATION - TEST                                 KIND OF CROP - OTHER
          TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC         PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED
          TANK/HOPPER-LOCATION - UNKNOWN/NOT REPORTED              TERRAIN-TYPE -ROLLING
          SWATH RUN-HOW FLOWN - UNKNOWN/NOT REPORTED
        REMARKS- DEP FROM GRAVEL ROAD TO CHECK SPRAY NOZZLES. WATER IN TANK. DENSITY ALT 7000 FT.
```

## Aircraft

- Registration: [N7312Z](https://openairdocs.org/deregistered/N7312Z-2013-05-07), registration cancelled 2013-05-07, S/N 25-3259, built 1965 (OpenAirDocs)
- Reported make and model: PIPER PA-25
- Registry model: [Piper PA-25](https://openairdocs.org/model/piper-pa-25) (registry code 7102502) (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: Substantial damage

## 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 19810611036309A](https://openairdocs.org/incident/19810611036309A), Jun 11, 1981: Piper PA25235, Rockford, ID, Substantial damage. Stalled trying to clear obstacles during takeoff from a road. Flipped over on impact. Density altitude 7000 feet.

## Other investigations on N7312Z (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 SEA77FTA18](https://openairdocs.org/ntsb/SEA77FTA18), May 21, 1977: Piper PA-25 (N7312Z), Brockway, MT, substantial damage
- [NTSB SEA72DTA14](https://openairdocs.org/ntsb/SEA72DTA14), Mar 22, 1972: Piper PA-25 (N7312Z), Brusett, MT, 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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