NYC75FNE04

NTSB accident investigation · Stinson 108-1 · W Springfld, MA · August 9, 1974

Accident · Serious injuriesClosed
Date
August 9, 1974
Place
W Springfld, MA · W SPRINGFLD, MA
Injuries
1 serious, 2 minor, 1 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N9740KStinson 108-1
Status
Completed · report October 8, 1974
Report
Brief approved by the director
FAA report
19740809027899A
Case key
136937

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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NTSB brief

NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.

----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2668   74/8/9    W SPRINGFLD,MASS    STINSON 108-1       CR-  0  1  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1525                    N9740K              PX-  0  0  2  PRACTICE                  AGE 34, 1200 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            10 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          NEW MILFORD,CONN            MAINE                        OXFORD,CONN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: DIRT BANK                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER CLEARANCE-TOLERANCE
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           TERRAIN - ROUGH/UNEVEN
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- EXHAUST ROCKER ARM FAIL.VALVE GUIDE-CYL TOP CLEARANCE .029IN INSTEAD OF REQ .318IN.

Aircraft

Registration
N9740K
Reported as
Stinson 108-1
Category
Airplane
Engine
reciprocating
Damage
Substantial damage

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.