<< >> NASA ASRS Report 765521, December 2007

An A320 pilot reports receiving initial clearance for den runway 35R and missed clearance for runway 34R in heavy radio traffic. Localizer capture runway 35R but crew vectored to runway 34R with FMGC changes.

Attributes
ACN	765521
Time
Date	200712
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : den.airport
State Reference	CO
Altitude	agl single value : 1000
Environment
Flight Conditions	IMC
Aircraft 1
Controlling Facilities	tracon : den.tracon
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	descent : approach
Flight Plan	IFR
Person 1
Function	flight crew : captain oversight : pic
Experience	flight time last 90 days : 100 flight time total : 17000 flight time type : 6000
ASRS Report	765521
Events
Anomaly	non adherence : clearance other spatial deviation
Independent Detector	other flight crewa
Resolutory Action	controller : issued new clearance flight crew : returned to intended or assigned course
Supplementary
Problem Areas	Airspace Structure Flight Crew Human Performance ATC Human Performance Airport
Primary Problem	Ambiguous

Narrative:

First controller gave us runway 35R. We did not hear the second controller give us runway 34R. The frequency was busy and we may have missed it. All she said was we were to be taken through the final. As we approached the runway 35R localizer we were given turn left to 320 degrees and intercept the localizer. The localizer captured almost immediately and as we rolled out we were told to turn to 320 degrees and intercept runway 34R. We had to reload the box and there was a slight overshoot with no further problems.

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Original NASA ASRS Text

Title: AN A320 PLT RPTS RECEIVING INITIAL CLRNC FOR DEN RWY 35R AND MISSED CLRNC FOR RWY 34R IN HEAVY RADIO TFC. LOC CAPTURE RWY 35R BUT CREW VECTORED TO RWY 34R WITH FMGC CHANGES.

Narrative: FIRST CTLR GAVE US RWY 35R. WE DID NOT HEAR THE SECOND CTLR GIVE US RWY 34R. THE FREQ WAS BUSY AND WE MAY HAVE MISSED IT. ALL SHE SAID WAS WE WERE TO BE TAKEN THROUGH THE FINAL. AS WE APCHED THE RWY 35R LOC WE WERE GIVEN TURN L TO 320 DEGS AND INTERCEPT THE LOC. THE LOC CAPTURED ALMOST IMMEDIATELY AND AS WE ROLLED OUT WE WERE TOLD TO TURN TO 320 DEGS AND INTERCEPT RWY 34R. WE HAD TO RELOAD THE BOX AND THERE WAS A SLIGHT OVERSHOOT WITH NO FURTHER PROBLEMS.

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.