# NTSB OAK76DVG19: Cessna A188A, N9988G, Herald, CA, August 29, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 29, 1975
- Place: Herald, CA · HERALD, CA
- Location: 38.2847° N, 121.2311° W: Placed by OpenAirDocs: center of Herald, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.2847&lon=-121.2311&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 23, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 150815
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK76DVG19
- Page: https://openairdocs.org/ntsb/OAK76DVG19

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2765  75/8/29    HERALD,CA           CESSNA A188A        CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0730                    N9988G              PX-  0  0  0  AERIAL APPLICATION        AGE 52, 14000 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 4000 IN TYPE,
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         UNKNOWN/NOT REPORTED         LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: PROCEDURE TURNAROUND
           COLLIDED WITH: CROP                                      LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE CONTROLS: THROTTLE-POWER LEVER ASSEMBLIES
           POWERPLANT - ENGINE CONTROLS: MIXTURE CONTROL ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           TERRAIN - HIGH VEGETATION
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -   41                       KIND OF OPERATION - DEFOLIATION (LIQUID)
          KIND OF CROP - CLOVER                                    TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - 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 -  0                   SWATH RUN-HOW FLOWN - CROSSWIND
          PROCEDURE TURNAROUND - THIRD 1/3 TURN
        REMARKS- INDUCTION AIR BOX SHAFT P/N 1650014-2 FAILED.
```

## Aircraft

- Registration: [N9988G](https://openairdocs.org/deregistered/N9988G-2014-12-01), registration cancelled 2014-12-01, S/N 18800788, built 1971 (OpenAirDocs)
- Reported make and model: CESSNA A188A
- Registry model: [Cessna A188A](https://openairdocs.org/model/cessna-a188a) (registry code 2073008) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, 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 19750829030359A](https://openairdocs.org/incident/19750829030359A), Aug 29, 1975: Cessna A188A, Herald, CA, Substantial damage. Induction air box shaft p/n 1650014-2 failed.

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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