<< >> NASA ASRS Report 718597, November 2006

A B757-200 crew deviated from the lax seavu one STAR after being distracted while entering last minute FMS entries for a runway change.

Attributes
ACN	718597
Time
Date	200611
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : lax.airport
State Reference	CA
Altitude	msl bound lower : 15000 msl bound upper : 16200
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tracon : sct.tracon
Operator	common carrier : air carrier
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	descent : intermediate altitude descent : approach
Route In Use	arrival star : seavu
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
ASRS Report	718597
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
ASRS Report	718598
Events
Anomaly	non adherence : clearance non adherence : published procedure other spatial deviation
Independent Detector	other flight crewa
Resolutory Action	controller : issued new clearance none taken : detected after the fact
Supplementary
Problem Areas	Aircraft Airspace Structure ATC Human Performance Chart Or Publication Flight Crew Human Performance
Primary Problem	Ambiguous

Narrative:

While descending on seavu arrival between trtle and cataw; we were given runway 24R. We had runway 25R in the box. I reselected the runway page and selected runway 24R. I must have not selected the transition and the navigation leg we were on went away. I reselected the transition and we had flown by cataw by a mile or 2. I tried to tell the controller we were having a navigation problem (self induced) but the frequency was very congested. He gave us a vector to palac intersection and we landed. There was no reason for me to alter the FMS at that time. It was a poor choice on my part.

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Original NASA ASRS Text

Title: A B757-200 CREW DEVIATED FROM THE LAX SEAVU ONE STAR AFTER BEING DISTRACTED WHILE ENTERING LAST MINUTE FMS ENTRIES FOR A RWY CHANGE.

Narrative: WHILE DSNDING ON SEAVU ARR BETWEEN TRTLE AND CATAW; WE WERE GIVEN RWY 24R. WE HAD RWY 25R IN THE BOX. I RESELECTED THE RWY PAGE AND SELECTED RWY 24R. I MUST HAVE NOT SELECTED THE TRANSITION AND THE NAV LEG WE WERE ON WENT AWAY. I RESELECTED THE TRANSITION AND WE HAD FLOWN BY CATAW BY A MILE OR 2. I TRIED TO TELL THE CTLR WE WERE HAVING A NAV PROB (SELF INDUCED) BUT THE FREQ WAS VERY CONGESTED. HE GAVE US A VECTOR TO PALAC INTXN AND WE LANDED. THERE WAS NO REASON FOR ME TO ALTER THE FMS AT THAT TIME. IT WAS A POOR CHOICE ON MY PART.

Data retrieved from NASA's ASRS site as of January 2009 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.