Deviation from clearance route -- air carrier tracks out of a NAVAID on the wrong radial.

Attributes
ACN	313430
Time
Date	199508
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : pmm
State Reference	MI
Altitude	msl bound lower : 20000 msl bound upper : 20000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zau tower : sjc
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	cruise other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 180 flight time total : 7500 flight time type : 4500
ASRS Report	313430
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : flight engineer pilot : instrument pilot : commercial
Experience	flight time last 90 days : 225 flight time total : 3500 flight time type : 2000
ASRS Report	313147
Events
Anomaly	non adherence : clearance other spatial deviation
Independent Detector	other controllera other flight crewa
Resolutory Action	controller : issued new clearance flight crew : returned to intended course or assigned course other
Consequence	faa : reviewed incident with flight crew
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

I tracked out the 251 degrees radial from pmm instead of the correct one, R-261 degrees. ATC caught the error and called it to our attention when we were 30 NM west of pmm. We were 5 NM south of course. I recognized the error and corrected immediately.

Original NASA ASRS Text

Title: DEV FROM CLRNC RTE -- ACR TRACKS OUT OF A NAVAID ON THE WRONG RADIAL.

Narrative: I TRACKED OUT THE 251 DEGS RADIAL FROM PMM INSTEAD OF THE CORRECT ONE, R-261 DEGS. ATC CAUGHT THE ERROR AND CALLED IT TO OUR ATTN WHEN WE WERE 30 NM W OF PMM. WE WERE 5 NM S OF COURSE. I RECOGNIZED THE ERROR AND CORRECTED IMMEDIATELY.

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.