# NTSB SEA74DYE42: Bell 47G-2, N984B, Centralia, WA, April 18, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 18, 1974
- Place: Centralia, WA · CENTRALIA, WA
- Location: 46.7254° N, 122.9748° W: Placed by OpenAirDocs: center of Centralia, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.7254&lon=-122.9748&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report June 26, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 124267
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA74DYE42
- Page: https://openairdocs.org/ntsb/SEA74DYE42

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1250  74/4/18  NR.CENTRALIA,WASH     BELL 47G-2          CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0615                    N984B               PX-  0  0  1  ASSOC CROP CTL ACTIVITY   AGE 25, 2010 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            100 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - HELISPOT
        DEPARTURE POINT             INTENDED DESTINATION
          CENTRALIA,WASH              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           WEATHER - SUDDEN WINDSHIFT
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        WEATHER BRIEFING - UNKNOWN/NOT REPORTED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     TAIL WIND 158-202 DEGREES
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           15                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- SDN SHFT OF WND BLEW HELI OFF PAD DRNG HVR TO LDG. SURVEYING FORESTS,NO LOAD ABD.
```

## Aircraft

- Registration: [N984B](https://openairdocs.org/aircraft/N984B), registered now, S/N 1382, built 1955 (OpenAirDocs)
- Reported make and model: BELL 47G-2
- Registry model: [Bell 47G-2](https://openairdocs.org/model/bell-47g-2) (registry code 1181008) (OpenAirDocs)
- Registry engine: [Franklin 6V4 series](https://openairdocs.org/engine/franklin-6v4-series) (registry code 27033, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Helispot

## 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 19740418008619A](https://openairdocs.org/incident/19740418008619A), Apr 18, 1974: Bell 47G, Centralia, WA, Substantial damage. Sdn shft of wnd blew heli off pad drng hvr to ldg. Surveying forests,no load abd.

## Other investigations on N984B (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 ATL87DEI05](https://openairdocs.org/ntsb/ATL87DEI05), Jun 14, 1987: Bell 47G-2 (N984B), Lisbon, OH, substantial damage
- [NTSB ATL86FEI07](https://openairdocs.org/ntsb/ATL86FEI07), Jun 26, 1986: Bell 47G2 (N984B), Lisbon, OH, minor damage, 1 fatal
- [NTSB SEA76DYG01](https://openairdocs.org/ntsb/SEA76DYG01), Jul 1, 1975: Bell 47G-2 (N984B), Moses Lake, WA, destroyed

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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