# NTSB OAK77FVD09: Sikorsky S-58, N62251, Alameda, CA, January 6, 1977

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: January 6, 1977
- Place: Alameda, CA · ALAMEDA, CA
- Location: 37.7423° N, 122.2605° W: Placed by OpenAirDocs: center of Alameda, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.7423&lon=-122.2605&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report March 31, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 156946
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK77FVD09
- Page: https://openairdocs.org/ntsb/OAK77FVD09

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0221   77/1/6    ALAMEDA,CA          SIKORSKY S-58       CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 39, 893
        TIME - 1525                    N62251              PX-  0  0  0  CONSTRUCTION              TOTAL HOURS, 35 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - NAS ALAMEDA CA
        DEPARTURE POINT             INTENDED DESTINATION
          ALAMEDA,CA                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: HOVERING
           COLLIDED WITH: OBJECT                                    LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - JETTISONED LOAD
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- EXT LOAD OPNS.HIT STEEL BEAM ON TOP OF BLDG.
```

## Aircraft

- Registration: [N62251](https://openairdocs.org/deregistered/N62251-2013-04-29), registration cancelled 2013-04-29, S/N 58-439, built 1956 (OpenAirDocs)
- Reported make and model: SIKORSKY S-58
- Registry model: [Sikorsky S-58J](https://openairdocs.org/model/sikorsky-s-58j) (registry code 8141814) (OpenAirDocs)
- Registry engine: [Wright 1820G-2-3&5](https://openairdocs.org/engine/wright-1820g-2-3-5) (registry code 67025, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Nas Alameda Ca

## 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 19770106002339A](https://openairdocs.org/incident/19770106002339A), Jan 6, 1977: Skrsky S58J, Alameda, CA, Substantial damage. Ext load opns. Hit steel beam on top of bldg.

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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