Flight crew of an medium large transport failed to follow clearance track resulting in ATC intervention to direct the reporter's aircraft back on STAR arrival route.

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Attributes
ACN	335700
Time
Date	199605
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : ptv
State Reference	CA
Altitude	msl bound lower : 29000 msl bound upper : 29000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zla
Operator	common carrier : air carrier
Make Model Name	B737-300
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
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 : 60 flight time total : 18000 flight time type : 7000
ASRS Report	335700
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	non adherence : clearance non adherence : published procedure other spatial deviation
Independent Detector	other controllera
Resolutory Action	controller : issued new clearance 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:

Assigned direct ehf ziggy 3 arrival out at FL290 center 128.37 amended clearance direct ptv ptv ziggy 3. I had ehf outbound 128 degree radial in my mind and even though I dialed in ptv I put the 128 degree course in lieu 147 degrees. Center caught the mistake and vectored us west back on the arrival. There were no distractions from inside or outside the cockpit. The first officer was very professional and alert. The mistake left us both shaken as to how and why we both made the error -- I even had verbalized the wrong outbound to the first officer and we both looked at the chart and saw what we wanted to see. Center was very courteous and said there was no separation problem, but I thought this was worth submitting. Charts out, frequency and outbound verbalized and crossed checked by 2 pilots and still a course deviation. I am humble and human.

Original NASA ASRS Text

Title: FLC OF AN MLG FAILED TO FOLLOW CLRNC TRACK RESULTING IN ATC INTERVENTION TO DIRECT THE RPTR'S ACFT BACK ON STAR ARR RTE.

Narrative: ASSIGNED DIRECT EHF ZIGGY 3 ARR OUT AT FL290 CTR 128.37 AMENDED CLRNC DIRECT PTV PTV ZIGGY 3. I HAD EHF OUTBOUND 128 DEG RADIAL IN MY MIND AND EVEN THOUGH I DIALED IN PTV I PUT THE 128 DEG COURSE IN LIEU 147 DEGS. CTR CAUGHT THE MISTAKE AND VECTORED US W BACK ON THE ARR. THERE WERE NO DISTRACTIONS FROM INSIDE OR OUTSIDE THE COCKPIT. THE FO WAS VERY PROFESSIONAL AND ALERT. THE MISTAKE LEFT US BOTH SHAKEN AS TO HOW AND WHY WE BOTH MADE THE ERROR -- I EVEN HAD VERBALIZED THE WRONG OUTBOUND TO THE FO AND WE BOTH LOOKED AT THE CHART AND SAW WHAT WE WANTED TO SEE. CTR WAS VERY COURTEOUS AND SAID THERE WAS NO SEPARATION PROB, BUT I THOUGHT THIS WAS WORTH SUBMITTING. CHARTS OUT, FREQ AND OUTBOUND VERBALIZED AND CROSSED CHKED BY 2 PLTS AND STILL A COURSE DEV. I AM HUMBLE AND HUMAN.

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.