<< >> NASA ASRS Report 146779, May 1990

Electrical failure on short final creates a gear not down and locked situation for an small aircraft pilot and he elects to go around.

Attributes
ACN	146779
Time
Date	199005
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : slc
State Reference	UT
Altitude	msl bound lower : 100 msl bound upper : 1500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : slc
Operator	general aviation : personal
Make Model Name	Small Aircraft, Low Wing, 1 Eng, Retractable Gear
Flight Phase	descent : approach landing : go around landing other
Route In Use	approach : visual arrival other
Flight Plan	VFR
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : atp pilot : commercial pilot : instrument
Experience	flight time last 90 days : 100 flight time total : 1900 flight time type : 1000
ASRS Report	146779
Person 2
Affiliation	government : faa
Function	controller : local
Qualification	controller : non radar
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : declared emergency flight crew : overcame equipment problem other
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

I was just cleared to land and when I lowered the gear handle all power went out. Over the threshold, with the gear only halfway down, I was at approximately 100' AGL. I increased power and accelerated to my best climb speed. I performed an emergency gear extension. I monitored slc VOR, and made blind xmissions of my position on tower frequency. Some electrical power was returning. I did right-hand pattern back to 34R. I received the green light and landed. I was towed on the ground to the hangar. I squawked 7700 and 7600, but feel that my transponder was inoperative, as were my radios.

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Original NASA ASRS Text

Title: ELECTRICAL FAILURE ON SHORT FINAL CREATES A GEAR NOT DOWN AND LOCKED SITUATION FOR AN SMA PLT AND HE ELECTS TO GO AROUND.

Narrative: I WAS JUST CLRED TO LAND AND WHEN I LOWERED THE GEAR HANDLE ALL PWR WENT OUT. OVER THE THRESHOLD, WITH THE GEAR ONLY HALFWAY DOWN, I WAS AT APPROX 100' AGL. I INCREASED PWR AND ACCELERATED TO MY BEST CLB SPD. I PERFORMED AN EMER GEAR EXTENSION. I MONITORED SLC VOR, AND MADE BLIND XMISSIONS OF MY POS ON TWR FREQ. SOME ELECTRICAL PWR WAS RETURNING. I DID RIGHT-HAND PATTERN BACK TO 34R. I RECEIVED THE GREEN LIGHT AND LANDED. I WAS TOWED ON THE GND TO THE HANGAR. I SQUAWKED 7700 AND 7600, BUT FEEL THAT MY XPONDER WAS INOP, AS WERE MY RADIOS.

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.