CHI81FEE48

NTSB accident investigation · Porterfield 35-70 · Rockford, IL · August 5, 1981

Accident · No injuriesClosed
Date
August 5, 1981
Place
Rockford, IL · ROCKFORD, IL
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N17029Porterfield 35-70
Status
Completed · report September 9, 1981
Report
Brief approved by the director
FAA report
19810805047719A
Case key
125094

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

On this page

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
----------------------------------------------------------------------------------------------------------------------------
3-1657   81/8/5  NR.ROCKFORD,IL        PORTERFIELD 35-70   CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 67, 3400
        TIME - 0930                    N17029              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 500 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          STERLING,IL                 OSHKOSH,WI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: OBJECT                                    LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING OFF AIRPORT
        REMARKS- NO 5 INTAKE PUSHROD FAILED & DEPD ACFT.

Aircraft

Registration
N17029
Reported as
Porterfield 35-70
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.