Small aircraft had engine fail, emergency landing on taxiway.

Attributes
ACN	162343
Time
Date	199011
Day	Sun
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : ttd
State Reference	OR
Altitude	agl bound lower : 850 agl bound upper : 850
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : instructional
Make Model Name	Small Aircraft, Low Wing, 1 Eng, Fixed Gear
Flight Phase	other
Flight Plan	None
Person 1
Affiliation	Other
Function	instruction : instructor
Qualification	pilot : commercial pilot : instrument pilot : cfi
Experience	flight time last 90 days : 92 flight time total : 1200 flight time type : 25
ASRS Report	162343
Person 2
Affiliation	Other
Function	instruction : trainee
Qualification	pilot : student
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : declared emergency other
Consequence	Other
Supplementary
Primary Problem	Aircraft

Narrative:

After departure for routine pattern touch and go's, the engine made a loud pop followed by smoke, and gradual loss of power. Altitude was approximately 850' on upwind leg when decision was made to execute a 180 degree turn to land on runway 25. Due to multiple traffic in vicinity of pattern and departing traffic rolling down the runway, the decision was made to land on taxiway B. Shutdown procedures were initiated and safe landing performed. No injuries to persons. Damage to aircraft, 1 blown cylinder.

Original NASA ASRS Text

Title: SMA HAD ENGINE FAIL, EMERGENCY LNDG ON TXWY.

Narrative: AFTER DEP FOR ROUTINE PATTERN TOUCH AND GO'S, THE ENG MADE A LOUD POP FOLLOWED BY SMOKE, AND GRADUAL LOSS OF PWR. ALT WAS APPROX 850' ON UPWIND LEG WHEN DECISION WAS MADE TO EXECUTE A 180 DEG TURN TO LAND ON RWY 25. DUE TO MULTIPLE TFC IN VICINITY OF PATTERN AND DEPARTING TFC ROLLING DOWN THE RWY, THE DECISION WAS MADE TO LAND ON TXWY B. SHUTDOWN PROCS WERE INITIATED AND SAFE LNDG PERFORMED. NO INJURIES TO PERSONS. DAMAGE TO ACFT, 1 BLOWN CYLINDER.

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.