<< >> NASA ASRS Report 384370, October 1997

First officer of a B737 failed to turn over a VOR fix as assigned resulting in ATC intervention to bring flight back to assigned routing.

Attributes
ACN	384370
Time
Date	199710
Day	Mon
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : bce
State Reference	UT
Altitude	msl bound lower : 35000 msl bound upper : 35000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	artcc : zlc
Operator	common carrier : air carrier
Make Model Name	B737 Undifferentiated or Other Model
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 : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 100 flight time total : 15000 flight time type : 3500
ASRS Report	384370
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	non adherence : clearance other spatial deviation
Independent Detector	other controllera
Resolutory Action	flight crew : returned to intended course or assigned course other
Consequence	faa : reviewed incident with flight crew
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

First officer was PF. Over bce VOR our clearance was to proceed direct to dta VOR, but we continued north on J11. I was on radio discussing maintenance issues with company. Controller noticed error and we were cleared direct dta. On ground at slc, I spoke with supervisor at ZLC who said same thing had occurred twice earlier that same day. He was concerned that there was an ATC problem, but I felt that in our case the error had been ours. No loss of separation occurred.

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Original NASA ASRS Text

Title: FO OF A B737 FAILED TO TURN OVER A VOR FIX AS ASSIGNED RESULTING IN ATC INTERVENTION TO BRING FLT BACK TO ASSIGNED ROUTING.

Narrative: FO WAS PF. OVER BCE VOR OUR CLRNC WAS TO PROCEED DIRECT TO DTA VOR, BUT WE CONTINUED N ON J11. I WAS ON RADIO DISCUSSING MAINT ISSUES WITH COMPANY. CTLR NOTICED ERROR AND WE WERE CLRED DIRECT DTA. ON GND AT SLC, I SPOKE WITH SUPVR AT ZLC WHO SAID SAME THING HAD OCCURRED TWICE EARLIER THAT SAME DAY. HE WAS CONCERNED THAT THERE WAS AN ATC PROB, BUT I FELT THAT IN OUR CASE THE ERROR HAD BEEN OURS. NO LOSS OF SEPARATION OCCURRED.

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.