NTSB Identification: FTW84LA066.
The docket is stored on NTSB microfiche number 24133.
Accident occurred Friday, November 18, 1983 in ADDISON, TX
Aircraft: GRUMMAN AA-5A, registration: N26242
Injuries: 1 Minor,1 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE PLT REPORTED THAT DURING AN ILS APCH TO LAND, THE ENG LOST POWER WHEN THE ACFT WAS ABOUT 1/4 MI FROM THE THRESHOLD. HE STATED THAT HE 'CONFIRMED MIXTURE RICH, CARB HEAT ON, FUEL PUMP ON, FUEL FULLEST TANK.' THE PLT WAS UNABLE TO RESTART THE ENG. DURING AN EMERGENCY LANDING, THE ACFT WENT THRU A FENCE, CROSSED A SUBURBAN STREET & DROPPED INTO A DITCH. A POST-CRASH EXAM REVEALED THAT THE RIGHT FUEL TANK WAS EMPTY, THE LEFT TANK HAD APRX 2 INCHES OF FUEL REMAINING & THE FUEL SELECTOR HAD BEEN TURNED OFF. IN A PRELIMINARY PHONE CONVERSATION, THE PLT INDICATED A SUSPICION OF CARB ICE, BUT THIS WAS NOT VERIFIED. THE TEMP & DEW POINT WERE 72 & 62 DEG, RESPECTIVELY. ACCORDING TO ICING PROPABILITY CHARTS, THERE WOULD HAVE BEEN SERIOUS CARB ICE CONDITIONS AT GLIDE POWER, IF CARB HEAT HAD NOT BEEN USED.

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

REASON FOR OCCURRENCE UNDETERMINED


Contributing Factors

LIGHT CONDITION..NIGHT


Contributing Factors

TERRAIN CONDITION..ROUGH/UNEVEN


Contributing Factors

TERRAIN CONDITION..DITCH


Contributing Factors

OBJECT..FENCE

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