# NTSB SEA78FYE10: Hughes 269B, N9117F, Taholah, WA, February 10, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 10, 1978
- Place: Taholah, WA · TAHOLAH, WA
- Location: 47.3260° N, 124.2729° W: Placed by OpenAirDocs: center of Taholah, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.3260&lon=-124.2729&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 6, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 147511
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA78FYE10
- Page: https://openairdocs.org/ntsb/SEA78FYE10

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0349  78/2/10    TAHOLAH,WA          HUGHES 269B         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 30, 6225
        TIME - 1100                    N9117F              PX-  0  0  0  CTR CARGO-D               TOTAL HOURS, UNK/NR IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          TAHOLAH,WA                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: HOVERING
           COLLIDED WITH: TREES                                     LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           ROTORCRAFT - FLIGHT CONTROL SYSTEMS: TAIL ROTOR PITCH CONTROL SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY SECURED
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
           MISCELLANEOUS ACTS,CONDITIONS - JETTISONED LOAD
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- T/R SWASHPLATE ASSY FAILED AT THREADS. SLING LOAD OPERATION.
```

## Aircraft

- Registration: [N9117F](https://openairdocs.org/deregistered/N9117F-1979-07-09), registration cancelled 1979-07-09, S/N 720393S (OpenAirDocs)
- Reported make and model: HUGHES 269B
- Registry model: [Hughes 369HS](https://openairdocs.org/model/hughes-369hs) (registry code 4470728) (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 19780210003429A](https://openairdocs.org/incident/19780210003429A), Feb 10, 1978: Hughes 369HS, Taholah, WA, Substantial damage. T/r swashplate assy failed at threads. Sling load operation.

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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