Medium large transport crew had track deviation.

Attributes
ACN	455560
Time
Date	199911
Day	Sun
Local Time Of Day	1801 To 2400
Place
State Reference	UT
Altitude	msl single value : 26000
Environment
Flight Conditions	IMC
Light	Night
Aircraft 1
Controlling Facilities	artcc : zlc.artcc
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	cruise : level
Route In Use	arrival star : spane 3
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 190 flight time total : 12800 flight time type : 1000
ASRS Report	455560
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : multi engine pilot : commercial
Events
Anomaly	non adherence : clearance non adherence : far non adherence : published procedure non adherence : company policies other spatial deviation
Independent Detector	other flight crewa other flight crewb
Resolutory Action	flight crew : returned to original clearance
Supplementary
Problem Areas	Flight Crew Human Performance Aircraft
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

While programming FMS computer for spane 3 into slc, aircraft passed over the mtu VOR. Upon execution of arrival program, aircraft started a slow right 180 degree turn back to mtu. Notice of turn was made and immediate corrective action was made.

Original NASA ASRS Text

Title: MLG CREW HAD TRACK DEV.

Narrative: WHILE PROGRAMMING FMS COMPUTER FOR SPANE 3 INTO SLC, ACFT PASSED OVER THE MTU VOR. UPON EXECUTION OF ARR PROGRAM, ACFT STARTED A SLOW R 180 DEG TURN BACK TO MTU. NOTICE OF TURN WAS MADE AND IMMEDIATE CORRECTIVE ACTION WAS MADE.

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.