# NTSB SEA70DWD05: Bell 47G-2, N2899B, Rochester, WA, February 25, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 25, 1970
- Place: Rochester, WA · ROCHESTER, WA
- Location: 46.8204° N, 123.0643° W: Placed by OpenAirDocs: center of Rochester, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.8204&lon=-123.0643&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 22, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 137995
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA70DWD05
- Page: https://openairdocs.org/ntsb/SEA70DWD05

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1228  70/2/25    ROCHESTER,WASH      BELL 47G-2          CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1200                    N2899B              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   AGE 52, 2700 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1500 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ROCHESTER,WASH              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: EN ROUTE TO RELOADING AREA
           COLLIDED WITH: TREES                                     LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 2000                       KIND OF OPERATION - SPRAYING FORESTS
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          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
        REMARKS- SPRAYING GRASS AROUND XMAS TREES.
```

## Aircraft

- Registration: [N2899B](https://openairdocs.org/aircraft/N2899B), registered now, S/N 1999 (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: [Lycoming VO-435 series](https://openairdocs.org/engine/lycoming-vo-435-series) (registry code 41525, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N2899B (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 LAX90LA042](https://openairdocs.org/ntsb/LAX90LA042), Dec 2, 1989: Bell 47G-II (N2899B), Rialto, CA, destroyed. Probable cause: THE PILOT'S LOSS OF DIRECTIONAL CONTROL AND SUBSEQUENT OVERCONTROL WHILE HOVERING. CONTRIBUTING TO THE ACCIDENT WERE THE GUSTY WIND CONDITIONS AND THE PILOT'S INEXPERIENCE.
- [NTSB LAX85LA344](https://openairdocs.org/ntsb/LAX85LA344), Aug 12, 1985: Bell 47G-2 (N2899B), Big Bear City, CA, substantial damage
- [NTSB SEA74DYG49](https://openairdocs.org/ntsb/SEA74DYG49), Jun 24, 1974: Bell 47G-2 (N2899B), Ephrata, WA, 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.