# NTSB SEA67A0011: Bell 47J-2A, N251PH, Darrington, WA, August 7, 1966

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: August 7, 1966
- Place: Darrington, WA · DARRINGTON, WA
- Location: 48.2608° N, 121.6072° W: Placed by OpenAirDocs: center of Darrington, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=48.2608&lon=-121.6072&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 3 minor
- Status: Completed, report April 4, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 122450
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA67A0011
- Page: https://openairdocs.org/ntsb/SEA67A0011

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0712   66/8/7  NR.DARRINGTON WASH    BELL 47J-2A         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 26, 800
        TIME - 0730                    N251PH              PX-  0  0  2  CTR PASSG-D               TOTAL HOURS, 189 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNDERSHOOT                                               LANDING: FINAL APPROACH
           COLLIDED WITH: TREES                                     LANDING: GO-AROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           PILOT IN COMMAND - MISJUDGED DISTANCE AND ALTITUDE
           PILOT IN COMMAND - MISJUDGED CLEARANCE
        REMARKS- LOST ROTOR RPM DURING APPROACH TO MOUNTAIN HELIPAD-TURNED AWAY-TAIL ROTOR STRUCK TREE.
```

## Aircraft

- Registration: N251PH (not matched to a registry record)
- Reported make and model: BELL 47J-2A
- Category: Helicopter
- Engines: reciprocating
- Damage: 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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