C177B pilot has a taxiway excursion at rdu.

Attributes
ACN	698100
Time
Date	200605
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : rdu.airport
State Reference	NC
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : personal
Make Model Name	Cardinal 177/177RG
Operating Under FAR Part	Part 91
Flight Phase	ground : taxi
Flight Plan	IFR
Person 1
Affiliation	other
Function	flight crew : single pilot
Qualification	pilot : private
Experience	flight time last 90 days : 35 flight time total : 500 flight time type : 300
ASRS Report	698100
Events
Anomaly	excursion : taxiway non adherence : clearance
Independent Detector	other flight crewa
Resolutory Action	none taken : detected after the fact
Supplementary
Problem Areas	Chart Or Publication Flight Crew Human Performance Airport
Primary Problem	Flight Crew Human Performance

Narrative:

Despite having the airport chart; a GPS-enabled electronic chart and pre-study of both; I still misread a ground direction sign and ended up on a vehicle path on the ramp near the FBO. No conflicts with ground vehicles or other aircraft.

Original NASA ASRS Text

Title: C177B PLT HAS A TXWY EXCURSION AT RDU.

Narrative: DESPITE HAVING THE ARPT CHART; A GPS-ENABLED ELECTRONIC CHART AND PRE-STUDY OF BOTH; I STILL MISREAD A GND DIRECTION SIGN AND ENDED UP ON A VEHICLE PATH ON THE RAMP NEAR THE FBO. NO CONFLICTS WITH GND VEHICLES OR OTHER ACFT.

Data retrieved from NASA's ASRS site as of January 2009 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.