# NTSB OAK77DVD25: Piper PA-25, N4779Y, Healdsburg, CA, March 8, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 8, 1977
- Place: Healdsburg, CA · HEALDSBURG, CA
- Location: 38.6225° N, 122.8651° W: Placed by OpenAirDocs: center of Healdsburg, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.6225&lon=-122.8651&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 29, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 157720
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK77DVD25
- Page: https://openairdocs.org/ntsb/OAK77DVD25

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0432   77/3/8    HEALDSBURG,CA       PIPER PA-25         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1715                    N4779Y              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   AGE 25, 2604 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            110 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - HEALDSBURG
        DEPARTURE POINT             INTENDED DESTINATION
          HEALDSBURG,CA               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           COLLIDED WITH: TREES                                     LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - EXHAUST SYSTEM: STACKS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - FIRE IN ENGINE
           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 - UNKNOWN/NOT REPORTED       KIND OF OPERATION - FERTILIZING (DUST)
          KIND OF CROP - GRAPES                                    TYPE OF CHEMICAL USED - DRY CHEMICAL-NONTOXIC
          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
         FIRE AFTER IMPACT
        REMARKS- EXH STACK BROKE OFF AFT OF #6 CYL.
```

## 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
- Airport: Healdsburg

## 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 19770308004759A](https://openairdocs.org/incident/19770308004759A), Mar 8, 1977: Piper PA25260, Healdsburg, CA, Substantial damage. Exh stack broke off aft of #6 cyl.

## 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 OAK74DVD36](https://openairdocs.org/ntsb/OAK74DVD36), May 20, 1974: Piper PA-25 (N4779Y), Healdsburg, CA, substantial damage
- [NTSB OAK70D0069](https://openairdocs.org/ntsb/OAK70D0069), Jun 20, 1969: Piper PA-25 (N4779Y), Tulelake, 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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