# NTSB SEA79FA056: Hiller FH1100, N377FH, Arlington, WA, September 6, 1979

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: September 6, 1979
- Place: Arlington, WA · ARLINGTON, WA
- Location: 48.1704° N, 122.1446° W: Placed by OpenAirDocs: center of Arlington, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=48.1704&lon=-122.1446&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report October 15, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 133552
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA79FA056
- Page: https://openairdocs.org/ntsb/SEA79FA056

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2674   79/9/6  NR.ARLINGTON,WA       HILLER FH1100       CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 28, 991
        TIME - 1645                    N377FH              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 69 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         ARLINGTON,WA                ARLINGTON,WA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
           MISCELLANEOUS ACTS,CONDITIONS - JETTISONED LOAD
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  150                       KIND OF OPERATION - SPRAYING TOWNS
          KIND OF CROP - FOREST-TREES                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FAILED ON IMPACT                     GLOVES - USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - BELLY                             TERRAIN-TYPE -HILLY
          ELEVATION-AREA BEING TREATED-FEET -  700                               DENSE WITH TREES
```

## Aircraft

- Registration: [N377FH](https://openairdocs.org/deregistered/N377FH-2013-10-23), registration cancelled 2013-10-23, S/N 117, built 1968 (OpenAirDocs)
- Reported make and model: HILLER FH1100
- Registry model: [Fairchild Hiller FH-1100](https://openairdocs.org/model/fairchild-hiller-fh-1100) (registry code 3376502) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- 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 19790906024309A](https://openairdocs.org/incident/19790906024309A), Sep 6, 1979: Hiller FH1100, Arlington, WA, Substantial damage. Helicopter was observed releasing load and making 180 degree descending turn & crashing after takeoff. Cause unkn.

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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