# NTSB SEA75DYC40: Bell 47G-2A, N5161B, Corvallis, OR, May 31, 1975

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: May 31, 1975
- Place: Corvallis, OR · CORVALLIS, OR
- Location: 44.5699° N, 123.2783° W: Placed by OpenAirDocs: center of Corvallis, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.5699&lon=-123.2783&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report October 3, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 134610
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA75DYC40
- Page: https://openairdocs.org/ntsb/SEA75DYC40

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2424  75/5/31    CORVALLIS,OR        BELL 47G-2A         CR-  0  1  0  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0900                    N5161B              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   AGE 31, 936 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            14 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          CORVALLIS,OR                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PERSONNEL - MISCELLANEOUS-PERSONNEL: GROUND CREWMAN
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  200                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - FOREST-TREES                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - SIDES
        REMARKS- LOADER FILLED CHEMICAL TANKS FM 30-40FT HOSE.GAVE PLT THUMBS UP FOR TKOF WITH HOSE STILL ATTACHED.
```

## Aircraft

- Registration: [N5161B](https://openairdocs.org/deregistered/N5161B-2014-12-17), registration cancelled 2014-12-17, S/N 1979, built 1957 (OpenAirDocs)
- Reported make and model: BELL 47G-2A
- Registry model: [Bell 47G-2](https://openairdocs.org/model/bell-47g-2) (registry code 1181008) (OpenAirDocs)
- Registry engine: [Lycoming VO-435 series](https://openairdocs.org/engine/lycoming-vo-435-series) (registry code 41525, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed

## 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 19750531016959A](https://openairdocs.org/incident/19750531016959A), May 31, 1975: Bell 47G2, Corvallis, OR, Destroyed. Loader filled chemical tanks fm 30-40FT hose. Gave plt thumbs up for tkof with hose still attached.

## Other investigations on N5161B (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 SEA74DYE39](https://openairdocs.org/ntsb/SEA74DYE39), Mar 3, 1974: Bell 47G-2 (N5161B), Forks, WA, substantial damage
- [NTSB SEA74DYE20](https://openairdocs.org/ntsb/SEA74DYE20), Oct 8, 1973: Bell 47F-2 (N5161B), Forks, WA, substantial damage
- [NTSB LAX65A0087](https://openairdocs.org/ntsb/LAX65A0087), Apr 20, 1965: Bell 47G2 (N5161B), Chino, 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.

---
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.