# NTSB SEA77FA024: Bell 214B-1, N90128, Liberty, WA, March 31, 1977

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: March 31, 1977
- Place: Liberty, WA · LIBERTY, WA
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report August 10, 1977
- Report: Brief approved by the director
- Safety recommendations: Yes
- NTSB case key (mKey): 79434
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA77FA024
- Page: https://openairdocs.org/ntsb/SEA77FA024

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1607  77/3/31    LIBERTY,WA          BELL 214B-1         CR-  2  0  0  COMMERCIAL                COMMERCIAL, AGE 31, 4280
        TIME - 1230                    N90128              PX-  0  0  0  OTHER                     TOTAL HOURS, 180 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - HELI SERVICE AREA
        DEPARTURE POINT             INTENDED DESTINATION
          LIBERTY,WA                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           ROTORCRAFT - MISCELLANEOUS UNITS AND ASSEMBLIES: TAIL BOOMS/PYLONS/CONES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        REMARKS- HELICOPTER LOGGING.TURNING TOWARD LOGGING SITE.INFLT SEPN OF VERTICAL FIN FM TAILBOOM.
```

## Aircraft

- Registration: [N90128](https://openairdocs.org/deregistered/N90128-1977-09-21), registration cancelled 1977-09-21, S/N 28004 (OpenAirDocs)
- Reported make and model: BELL 214B-1
- Registry model: [Bell 214B-1](https://openairdocs.org/model/bell-214b-1) (registry code 1182105) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Destroyed
- Airport: Heli Service Area

## 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 19770331021249A](https://openairdocs.org/incident/19770331021249A), Mar 31, 1977: Bell 214B1, Liberty, WA, Destroyed. Helicopter logging. Turning toward logging site. Inflt sepn of vertical fin fm tailboom.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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