# NTSB MKC76FER09: Piper PA-25, N7630Z, Olivia, MN, July 18, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 18, 1975
- Place: Olivia, MN · OLIVIA, MN
- Location: 44.7770° N, 94.9971° W: Placed by OpenAirDocs: center of Olivia, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.7770&lon=-94.9971&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 28, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 149946
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC76FER09
- Page: https://openairdocs.org/ntsb/MKC76FER09

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1980  75/7/18    OLIVIA,MN           PIPER PA-25         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 21, 597
        TIME - 1400                    N7630Z              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 90 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          OLIVIA,MN                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: SWATH RUN
           COLLIDED WITH: CROP                                      LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - FUEL SYSTEM: CARBURETOR
           MISCELLANEOUS ACTS,CONDITIONS - SHEARED
           MISCELLANEOUS ACTS,CONDITIONS - FUEL STARVATION
           TERRAIN - HIGH VEGETATION
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  300                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  1080                SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- MIXTURE CONTROL ARM STOP PIN SHEARED,MIXT LEAN.
```

## Aircraft

- Registration: [N7630Z](https://openairdocs.org/deregistered/N7630Z-2019-06-28), registration cancelled 2019-06-28, S/N 25-3760, built 1965 (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: 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 19750718022219A](https://openairdocs.org/incident/19750718022219A), Jul 18, 1975: Piper PA25235, Olivia, MN, Substantial damage. Mixture control arm stop pin sheared,mixt lean.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.