# NTSB OAK76DVA81: Aero Comdr 600S2R, N4237X, Firebaugh, CA, July 30, 1976

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 30, 1976
- Place: Firebaugh, CA · FIREBAUGH, CA
- Location: 36.8511° N, 120.4526° W: Placed by OpenAirDocs: center of Firebaugh, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.8511&lon=-120.4526&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 24, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 155023
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK76DVA81
- Page: https://openairdocs.org/ntsb/OAK76DVA81

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1858  76/7/30  NR.FIREBAUGH,CA       AERO COMDR 600S2R   CR-  0  0  1  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 0625                    N4237X              PX-  0  0  0  AERIAL APPLICATION        32, 3457 TOTAL HOURS, 130
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         FIREBAUGH,CA                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              IN FLIGHT: PROCEDURE TURNAROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  469                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - COTTON                                    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 - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  130                 SWATH RUN-HOW FLOWN - CROSSWIND
          PROCEDURE TURNAROUND - SECOND 1/3 TURN
        REMARKS- ACFT COLLIDED WITH CANAL BANK.
```

## Aircraft

- Registration: [N4237X](https://openairdocs.org/deregistered/N4237X-2004-06-29), registration cancelled 2004-06-29, S/N 2008R, built 1974 (OpenAirDocs)
- Reported make and model: AERO COMDR 600S2R
- Registry model: [Rockwell International S-2R](https://openairdocs.org/model/rockwell-international-s-2r) (registry code 7630202) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016, 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 19760730021999A](https://openairdocs.org/incident/19760730021999A), Jul 30, 1976: Ayres S2R, Firebaugh, CA, Substantial damage. Acft collided with canal bank.

## Other investigations on N4237X (1)

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 SEA01LA146](https://openairdocs.org/ntsb/SEA01LA146), Aug 4, 2001: Rockwell S-2R (N4237X), Latah, WA, substantial damage. Probable cause: the failure of a cylinder head exhaust rocker shaft boss while the aircraft was performing aerial application. Factors include soft terrain and a drop-off in the field where the emergency landing…

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.