NTSB Identification: ATL84MA296.
The docket is stored on NTSB microfiche number 26097.
Scheduled 14 CFR
Accident occurred Monday, September 24, 1984 in ATLANTA, GA
Aircraft: PIPER PA-31T3, registration: N9193Y
Injuries: 6 Serious,5 Minor.

NTSB investigators traveled in support of this investigation and used data obtained from various sources to prepare this aircraft accident report.

THE NORMAL FUEL LOAD FOR THE FLT WAS 1500 LBS, BUT WITH A FORECAST TAIL WIND & AN ESTIMATED FLT TIME FOR ONLY 1+10, THE CREW ACCEPTED THE LOWER INDCTD (950 LB) FUEL LOAD. THE FLT WAS UNEVENTFUL UNTIL AN INDCTN OF 250 LBS PER SIDE, THEN THE FUEL 'SEEMED TO DISSIPATE FASTER.' WITH AN INDCTN OF 150 LBS ON DWNWND, THE COPLT RCMDD DECLARING AN EMERGENCY. THE CAPT'S RESPONSE WAS TO ASK ATC FOR THE ANTICIPATED LENGTH OF THE DWNWND LEG. HE WAS TOLD 20 MI. PRIORITY HNDLG WAS REQUESTED, BUT WAS ONLY AVAILABLE FOR A DECLARED EMERGENCY. THE APCH WAS CONTD WITH NORMAL HNDLG FOR APRX 10 MIN. AT 1608:39, THE CREW DECLARED AN EMERGENCY, THEN RPRTD THE ACFT WAS OUT OF FUEL. IT CRASH LANDED ON ROUGH TERRAIN, SHORT OF RWY 8. AN EXAM REVEALED FUEL SENSORS HAD BEEN IMPROPERLY INSTALLED (INTERCHANGED BTN THE INBRD & OUTBRD TANKS). THUS THE GAGES INDCTD ABOUT 180 LBS MORE THAN THE APRX 763 LBS THAT WAS ACTUALLY ABOARD AT TKOF. A SPCL 500 HR INSPN OF THE ENTIRE FUEL SYS WAS MADE ON 7/8/84 USING THE 'WET' METHOD, BUT ONLY THE CAPACITANCE METHOD CHECKS EACH INDIVIDUAL SENSOR

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

IN-FLIGHT PLANNING/DECISION..IMPROPER..PILOT IN COMMAND

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

REMEDIAL ACTION..DELAYED..PILOT IN COMMAND

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

FLUID,FUEL..EXHAUSTION


Contributing Factors

FUEL SYSTEM..INCORRECT


Contributing Factors

TERRAIN CONDITION..ROUGH/UNEVEN


Contributing Factors

MAINTENANCE,INSTALLATION..IMPROPER


Contributing Factors

ENGINE INSTRUMENTS,FUEL QUANTITY GAGE..FALSE INDICATION



Contributing Factors

PROCEDURE INADEQUATE..MANUFACTURER


Contributing Factors

FLUID,FUEL..LOW LEVEL

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