Smoke in cockpit from an electrical source.

Attributes
ACN	284451
Time
Date	199409
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : myf
State Reference	CA
Altitude	agl bound lower : 0 agl bound upper : 1000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : myf
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 other
Route In Use	approach : visual
Flight Plan	VFR
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : cfi pilot : commercial pilot : instrument
Experience	flight time last 90 days : 120 flight time total : 536 flight time type : 263
ASRS Report	284451
Person 2
Affiliation	government : faa
Function	controller : local
Qualification	controller : non radar
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	other flight crewa
Resolutory Action	flight crew : declared emergency none taken : unable other
Consequence	Other
Supplementary
Primary Problem	Aircraft

Narrative:

Smelled electrical smoke on downwind. Smoke became visible. Called myf tower for full stop landing due to electrical smoke in cabin. Asked permission to shut off all electrical including radios. Received clearance. Set flaps -- shut off all electrical. Landed and rolled to taxiway 'G' airport chase truck followed us. By this time, smoke was thick. Shut off all fuel sources. Evacuate/evacuationed aircraft.

Original NASA ASRS Text

Title: SMOKE IN COCKPIT FROM AN ELECTRICAL SOURCE.

Narrative: SMELLED ELECTRICAL SMOKE ON DOWNWIND. SMOKE BECAME VISIBLE. CALLED MYF TWR FOR FULL STOP LNDG DUE TO ELECTRICAL SMOKE IN CABIN. ASKED PERMISSION TO SHUT OFF ALL ELECTRICAL INCLUDING RADIOS. RECEIVED CLRNC. SET FLAPS -- SHUT OFF ALL ELECTRICAL. LANDED AND ROLLED TO TXWY 'G' ARPT CHASE TRUCK FOLLOWED US. BY THIS TIME, SMOKE WAS THICK. SHUT OFF ALL FUEL SOURCES. EVACED ACFT.

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.