NTSB Identification: LAX83FA104.
The docket is stored on NTSB microfiche number 21036.
Accident occurred Thursday, February 17, 1983 in SAN DIEGO, CA
Aircraft: Piper 601P, registration: N90353
Injuries: 5 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

WHILE TAKING OFF, THE ACFT CLIMBED APRX 100 TO 200 FT, THEN BEGAN LOOSING ALT. DURING A FORCED LANDING ON A STREET, IT HIT A PARKED CAR & A LIGHT POLE & BURST IN FLAMES. THE PLT, WHO LATER EXPIRED, SAID THAT NEITHER ENG DEVELOPED FULL POWER (2575 RPM). HE SAID THIS WAS NOT UNUSUAL WHEN POWER WAS 1ST APPLIED, BUT SAID FULL RPM WAS GENERALLY OBTAINED SHORTLY AFTER THE ROLL WAS BEGUN. AFTER BEING COMMITTED FOR TAKEOFF, BOTH RPM'S WERE REPORTEDLY BETWEEN 2300 & 2400 RPM.SVRL WITNESSES STATED THE ENGS SOUNDED LIKE THEY WERE RUNNING ROUGH. A WITNESS REPORTED THE ACFT SWERVED 'AS THO THE PLTHAD DIFFICULTY WITH THE L ENG.' REPORTEDLY, THE PLT 'DROPPED SOME MORE FLAPS' BELOW THE 20 DEG TAKEOFF SETTING 'IN ORDERTO PULL IT OFF' & RAISED THE GEAR IMMEDIATELY AFTER LIFT-OFF. ENG TEARDOWNS REVEALED EXCESSIVE SPARK PLUG GAPS, 1 MAG ONTHE R ENG HAD A .008 POINT GAP (.016 REQUIRED), ITS #1 & #4 DISTRIBUTOR BLOCKS WERE CRACKED & THE #1 & #6 LEADS WOULD NOT FIRE PROPERLY. HARTZELL F-6-5A PROP GOVERNORS INSTALLED IN PLACE OF F-6-35A. ACFT WAS APRX 348 LBS OVER MAX WT LMT.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

MAINTENANCE..IMPROPER..OTHER MAINTENANCE PERSONNEL

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

PROPELLER SYSTEM/ACCESSORIES,GOVERNOR..IMPROPER

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

OPERATION WITH KNOWN DEFICIENCIES IN EQUIPMENT..CONTINUED..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

ABORTED TAKEOFF..NOT PERFORMED..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

IGNITION SYSTEM,MAGNETO..CRACKED

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

IGNITION SYSTEM,MAGNETO..ERRATIC

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

IGNITION SYSTEM,SPARK PLUG..WORN


Contributing Factors

AIRCRAFT WEIGHT AND BALANCE..EXCEEDED..PILOT IN COMMAND


Contributing Factors

LIGHT CONDITION..NIGHT


Contributing Factors

OBJECT..VEHICLE


Contributing Factors

OBJECT..UTILITY POLE


Contributing Factors

LOWERING OF FLAPS..IMPROPER..PILOT IN COMMAND


Contributing Factors

LIFT-OFF..PREMATURE..PILOT IN COMMAND

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