# NTSB NYC73FNE35: Viking B-8, N753Y, Westboro, MA, June 24, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 24, 1973
- Place: Westboro, MA · WESTBORO, MA
- Location: 42.2674° N, 71.6175° W: Placed by OpenAirDocs: center of Westborough, MA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.2674&lon=-71.6175&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 28, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 201654
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC73FNE35
- Page: https://openairdocs.org/ntsb/NYC73FNE35-201654

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2187  73/6/24    WESTBORO,MASS       VIKING B-8          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 47, 2665
        TIME - 1700                    N753Y               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 556 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - WESTBORO
        DEPARTURE POINT             INTENDED DESTINATION
          WESTBORO,MASS               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: MASTER AND CONNECTING RODS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           TERRAIN - ROUGH/UNEVEN
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- MASTER ROD CAP BOLTS FAILED. PROP SEPARATED IN FLT. GR ROLLED IN CORN FLD FURROWS.
```

## Aircraft

- Registration: [N753Y](https://openairdocs.org/aircraft/N753Y), registered now, S/N 26, built 1931 (OpenAirDocs)
- Reported make and model: VIKING B-8
- Registry model: [Viking Flying Boat KITTY HAWK B-4](https://openairdocs.org/model/viking-flying-boat-kitty-hawk-b-4) (registry code 9520102) (OpenAirDocs)
- Registry engine: [Kinner K5 series](https://openairdocs.org/engine/kinner-k5-series) (registry code 37503, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Westboro

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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