# NTSB SEA80FYK18: Bell 47J-2A, N2ZH, Brookings, OR, September 9, 1980

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: September 9, 1980
- Place: Brookings, OR · BROOKINGS, OR
- Location: 42.0724° N, 124.3048° W: Placed by OpenAirDocs: center of Brookings, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.0724&lon=-124.3048&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report November 26, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 128500
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA80FYK18
- Page: https://openairdocs.org/ntsb/SEA80FYK18

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2721   80/9/9  NR.BROOKINGS,OR       BELL 47J-2A         CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 52, 10000
        TIME - 1500                    N2ZH                PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, UNK/NR IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         BROOKINGS,OR                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: HOVERING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
           TERRAIN - OTHER
           MISCELLANEOUS ACTS,CONDITIONS - JETTISONED LOAD
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        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                  TEMPERATURE-F
          NONE                                                      80
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - SEEDING FORESTS
          KIND OF CROP - FOREST-TREES                              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 - SLING LOADED
          TERRAIN-TYPE -MOUNTAINOUS                                ELEVATION-AREA BEING TREATED-FEET -  3000
         FIRE AFTER IMPACT
        REMARKS- SEEDING GRASS BY EXTERNAL LOAD FROM TOP OF STEEP MTN RIDGE. DENSITY ALT ABOUT 5000 FT.
```

## Aircraft

- Registration: [N2ZH](https://openairdocs.org/deregistered/N2ZH-1983-08-02), registration cancelled 1983-08-02, S/N 3110 (OpenAirDocs)
- Reported make and model: BELL 47J-2A
- Registry model: [Bell 47J-2A](https://openairdocs.org/model/bell-47j-2a) (registry code 1181106) (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 19800909044419A](https://openairdocs.org/incident/19800909044419A), Sep 9, 1980: Bell 47J2A, Brookings, OR, Destroyed. Helicopter made a sudden pedal turn in hover with sling load. Dived into hillside. Cyclic hydraulic pump failed.

## Other investigations on N2ZH (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 SEA76DYI09](https://openairdocs.org/ntsb/SEA76DYI09), Sep 20, 1975: Bell 47J-2A (N2ZH), Roseburg, OR, 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.

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