Air carrier medium large transport flew wrong radial from center and got 10 mi off course.

Attributes
ACN	367550
Time
Date	199705
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : hnk
State Reference	NY
Altitude	msl bound lower : 28000 msl bound upper : 28000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zny
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	cruise other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : cfi pilot : flight engineer
Experience	flight time last 90 days : 200 flight time total : 13000 flight time type : 7000
ASRS Report	367550
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	non adherence : clearance other spatial deviation
Independent Detector	other controllera 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:

ATC clearance was pvd, put, center, hnk, hnk 271, J190, slt grace 1, pit. I went into cabin to use lavatory, first officer was flying. First officer mistakenly flew outbound on 271 degree radial of center in error. This caused us to pass 10 NM south of hnk. I didn't catch error upon returning to cockpit. There was no conflict involved. I should have doublechked before leaving cockpit.

Original NASA ASRS Text

Title: ACR MLG FLEW WRONG RADIAL FROM CTR AND GOT 10 MI OFF COURSE.

Narrative: ATC CLRNC WAS PVD, PUT, CTR, HNK, HNK 271, J190, SLT GRACE 1, PIT. I WENT INTO CABIN TO USE LAVATORY, FO WAS FLYING. FO MISTAKENLY FLEW OUTBOUND ON 271 DEG RADIAL OF CTR IN ERROR. THIS CAUSED US TO PASS 10 NM S OF HNK. I DIDN'T CATCH ERROR UPON RETURNING TO COCKPIT. THERE WAS NO CONFLICT INVOLVED. I SHOULD HAVE DOUBLECHKED BEFORE LEAVING COCKPIT.

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.