Unauthorized track change deviation from clearance route. Air carrier overcorrected for wind and also may have been tracking the 044 radial outbound instead of the 042 degree radial.

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Attributes
ACN	298080
Time
Date	199503
Day	Mon
Place
Locale Reference	atc facility : fak
State Reference	VA
Altitude	msl bound lower : 24000 msl bound upper : 24000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zdc
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	cruise other
Route In Use	arrival other arrival star : star
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 200 flight time total : 17000 flight time type : 2000
ASRS Report	298080
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	non adherence : published procedure non adherence : clearance other spatial deviation
Independent Detector	other controllera
Resolutory Action	flight crew : returned to intended course or assigned course other
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

We crossed flat rock VOR for the nancy arrival into lga. First officer thought that the wind correction for intercepting the 42 degree radial would be a lot so he turned back to intercept it. Just as we were going to turn left because we over corrected, ZDC said we were east of course too far. We corrected and everything was normal.

Original NASA ASRS Text

Title: UNAUTH TRACK CHANGE DEV FROM CLRNC RTE. ACR OVERCORRECTED FOR WIND AND ALSO MAY HAVE BEEN TRACKING THE 044 RADIAL OUTBOUND INSTEAD OF THE 042 DEG RADIAL.

Narrative: WE CROSSED FLAT ROCK VOR FOR THE NANCY ARR INTO LGA. FO THOUGHT THAT THE WIND CORRECTION FOR INTERCEPTING THE 42 DEG RADIAL WOULD BE A LOT SO HE TURNED BACK TO INTERCEPT IT. JUST AS WE WERE GOING TO TURN L BECAUSE WE OVER CORRECTED, ZDC SAID WE WERE E OF COURSE TOO FAR. WE CORRECTED AND EVERYTHING WAS NORMAL.

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.