# NTSB OAK70D0069: Piper PA-25, N4779Y, Tulelake, CA, June 20, 1969

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 20, 1969
- Place: Tulelake, CA · TULELAKE, CA
- Location: 41.9535° N, 121.4749° W: Placed by OpenAirDocs: center of Tulelake, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.9535&lon=-121.4749&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 10, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 172374
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK70D0069
- Page: https://openairdocs.org/ntsb/OAK70D0069

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2960  69/6/20    TULELAKE,CALIF      PIPER PA-25         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 39, 8000
        TIME - 0615                    N4779Y              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 1000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          MALIN,OREG                  MALIN,OREG                  UNKNOWN/NOT REPORTED
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: RETURN TO STRIP
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           MISCELLANEOUS ACTS,CONDITIONS - ANTI-ICING/DEICING EQUIPMENT-IMPROPER OPERATION OF/OR FAILED TO USE
           MISCELLANEOUS ACTS,CONDITIONS - ICE-CARBURETOR
        FACTOR(S)
           WEATHER - CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          BROKEN                                                    8000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     RAIN SHOWERS
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      55
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1000                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - USED
          CRASH HELMET - AVAILABLE USED                            TANK/HOPPER-LOCATION - UNKNOWN/NOT REPORTED
```

## Aircraft

- Registration: [N4779Y](https://openairdocs.org/deregistered/N4779Y-1983-04-11), registration cancelled 1983-04-11, S/N 25-4546, built 1968 (OpenAirDocs)
- Reported make and model: PIPER PA-25
- Registry model: [Piper PA-25-260](https://openairdocs.org/model/piper-pa-25-260) (registry code 7102508) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N4779Y (3)

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 SEA81FYP05](https://openairdocs.org/ntsb/SEA81FYP05), Jan 30, 1981: Piper PA-25 (N4779Y), Mesa, WA, destroyed
- [NTSB OAK77DVD25](https://openairdocs.org/ntsb/OAK77DVD25), Mar 8, 1977: Piper PA-25 (N4779Y), Healdsburg, CA, substantial damage
- [NTSB OAK74DVD36](https://openairdocs.org/ntsb/OAK74DVD36), May 20, 1974: Piper PA-25 (N4779Y), Healdsburg, CA, 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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