BAE4100 pilot takes wrong heading after passing VOR. Heading deviation.

Attributes
ACN	339431
Time
Date	199606
Day	Thu
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : fqm
State Reference	PA
Altitude	msl bound lower : 13000 msl bound upper : 13000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zny
Operator	common carrier : air carrier
Make Model Name	Jetstream 41
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 : first officer
Qualification	pilot : commercial pilot : atp pilot : cfi pilot : instrument
Experience	flight time last 90 days : 210 flight time total : 3300 flight time type : 800
ASRS Report	339431
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	non adherence : clearance other anomaly other other spatial deviation
Independent Detector	other flight crewa
Resolutory Action	flight crew : returned to intended course or assigned course
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

After an evening of reduced rest in pit, and after flying 7 hours 56 mins the previous day, we departed pit at XA50 local. Upon reaching the fqm VOR I departed on the 98 degree radial instead of the 39 degree radial. I believe fatigue played a role in the incident.

Original NASA ASRS Text

Title: BAE4100 PLT TAKES WRONG HDG AFTER PASSING VOR. HDG DEV.

Narrative: AFTER AN EVENING OF REDUCED REST IN PIT, AND AFTER FLYING 7 HRS 56 MINS THE PREVIOUS DAY, WE DEPARTED PIT AT XA50 LCL. UPON REACHING THE FQM VOR I DEPARTED ON THE 98 DEG RADIAL INSTEAD OF THE 39 DEG RADIAL. I BELIEVE FATIGUE PLAYED A ROLE IN THE INCIDENT.

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.