# NTSB ANC70AA058: Short Bros SC7, N4916, Cape Newnham, AK, January 16, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 16, 1970
- Place: Cape Newnham, AK · CAPE NEWNHAM, AK
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 12 uninjured
- Status: Completed, report June 22, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 147338
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC70AA058
- Page: https://openairdocs.org/ntsb/ANC70AA058

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0003  70/1/16    CAPE NEWNHAM,ALAS   SHORT BROS SC7      CR-  0  0  2  SCHED DOM PASSG SRV       CERTIFICATE UNKNOWN, AGE
        TIME - 1320                    N4916               PX-  0  0 10                            31, 7153 TOTAL HOURS, 451
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - CAPE NEWENHAM
        OPERATOR - WIEN CONSOLIDATED AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          CAPE NEWNHAM,ALAS           BETHEL,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: RUN
           MISCELLANEOUS                                            TAKEOFF: RUN
        PROBABLE CAUSE(S)
           POWERPLANT - TURBINE ASSEMBLY: BEARING,SHAFT
           MISCELLANEOUS ACTS,CONDITIONS - DISCONNECTED
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        REMARKS- HI SPEED PINION RETAINING NUT FAILED ALLOW GR SHAFT TO SLIDE FORWARD. ENG PARTS DAMAGE WG,FUSELAGE
```

## Aircraft

- Registration: N4916 (not matched to a registry record)
- Reported make and model: SHORT BROS SC7
- Category: Airplane
- Engines: turbo prop
- Damage: Substantial damage
- Airport: Cape Newenham

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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