C172 pilot makes precautionary landing after detecting smoke in cockpit.

Attributes
ACN	543622
Time
Date	200204
Day	Thu
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : ftw.airport
State Reference	TX
Altitude	msl single value : 2500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : ftw.tower
Operator	general aviation : instructional
Make Model Name	Skyhawk 172/Cutlass 172
Operating Under FAR Part	Part 91
Navigation In Use	other
Flight Phase	cruise : level
Flight Plan	None
Person 1
Affiliation	other
Function	instruction : trainee
Qualification	pilot : commercial pilot : instrument pilot : private
Experience	flight time last 90 days : 10 flight time total : 276 flight time type : 13
ASRS Report	543622
Person 2
Affiliation	other
Function	instruction : instructor
Qualification	pilot : flight engineer pilot : cfi
Experience	flight time last 90 days : 100 flight time total : 1190 flight time type : 70
ASRS Report	543611
Events
Anomaly	aircraft equipment problem : critical other anomaly
Independent Detector	other flight crewa
Resolutory Action	flight crew : landed as precaution
Consequence	other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

During cruise flight, observed and smelled smoke in the cockpit. Contacted tower with situation and stated there would be no further communication. Per checklist, idented problem as electrical and shut down electrical system. Opened vents, smoke cleared, and landed uneventfully. Supplemental information from acn 543611: approximately 45 mins after takeoff, smoke was detected in the cockpit. We contacted meacham tower and informed them of our situation. We proceeded to complete the checklist. We landed radio out with no further problems.

Original NASA ASRS Text

Title: C172 PLT MAKES PRECAUTIONARY LNDG AFTER DETECTING SMOKE IN COCKPIT.

Narrative: DURING CRUISE FLT, OBSERVED AND SMELLED SMOKE IN THE COCKPIT. CONTACTED TWR WITH SIT AND STATED THERE WOULD BE NO FURTHER COM. PER CHKLIST, IDENTED PROB AS ELECTRICAL AND SHUT DOWN ELECTRICAL SYS. OPENED VENTS, SMOKE CLRED, AND LANDED UNEVENTFULLY. SUPPLEMENTAL INFO FROM ACN 543611: APPROX 45 MINS AFTER TKOF, SMOKE WAS DETECTED IN THE COCKPIT. WE CONTACTED MEACHAM TWR AND INFORMED THEM OF OUR SIT. WE PROCEEDED TO COMPLETE THE CHKLIST. WE LANDED RADIO OUT WITH NO FURTHER PROBS.

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.