Small aircraft on ILS approach gvt, GS failed and unable to lower flaps. On landing discovered complete electrical failure. Cfii on the aircraft concurred with returning aircraft to ads. Used 7600 on transponder and tower gave green light for traffic pattern entry and landing.

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Attributes
ACN	347286
Time
Date	199609
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : gvt airport : ads
State Reference	TX
Altitude	msl bound lower : 1500 msl bound upper : 1500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : ads
Operator	general aviation : instructional
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Operating Under FAR Part	Part 91
Flight Phase	descent : approach landing other
Route In Use	approach : visual
Flight Plan	None
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : private pilot : instrument
Experience	flight time last 90 days : 10 flight time total : 390 flight time type : 10
ASRS Report	347286
Person 2
Affiliation	Other
Function	instruction : instructor
Qualification	pilot : cfi
Events
Anomaly	aircraft equipment problem : critical non adherence : far
Independent Detector	aircraft equipment other aircraft equipment : unspecified
Resolutory Action	none taken : anomaly accepted
Consequence	faa : investigated
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	Pilot Deviation

Narrative:

Upon starting simulated ILS approach into gvt, GS failed and flaps would not come down. Upon landing, we discovered electrical failure. I was flying with an instructor, cfii. We elected to takeoff and return home to addison. We turned off all electrical gear. Upon approaching ads, we turned on transponder to 7600 for a few seconds, and continued approach. The tower gave us a green light on downwind, and again on final. Landing was uneventful and we called tower by phone to report problem and he said he understood what went wrong and we had acted properly.

Original NASA ASRS Text

Title: SMA ON ILS APCH GVT, GS FAILED AND UNABLE TO LOWER FLAPS. ON LNDG DISCOVERED COMPLETE ELECTRICAL FAILURE. CFII ON THE ACFT CONCURRED WITH RETURNING ACFT TO ADS. USED 7600 ON XPONDER AND TWR GAVE GREEN LIGHT FOR TFC PATTERN ENTRY AND LNDG.

Narrative: UPON STARTING SIMULATED ILS APCH INTO GVT, GS FAILED AND FLAPS WOULD NOT COME DOWN. UPON LNDG, WE DISCOVERED ELECTRICAL FAILURE. I WAS FLYING WITH AN INSTRUCTOR, CFII. WE ELECTED TO TKOF AND RETURN HOME TO ADDISON. WE TURNED OFF ALL ELECTRICAL GEAR. UPON APCHING ADS, WE TURNED ON XPONDER TO 7600 FOR A FEW SECONDS, AND CONTINUED APCH. THE TWR GAVE US A GREEN LIGHT ON DOWNWIND, AND AGAIN ON FINAL. LNDG WAS UNEVENTFUL AND WE CALLED TWR BY PHONE TO RPT PROB AND HE SAID HE UNDERSTOOD WHAT WENT WRONG AND WE HAD ACTED PROPERLY.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.