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Close-in runway change and multi-tasking by PF contribute to track deviation; non standard flight control configuration and potential loss of separation on visual approach to den.
| Attributes | |
| ACN | 783449 |
| Time | |
| Date | 200804 |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : den.airport |
| State Reference | CO |
| Altitude | msl single value : 3000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : d01.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | B737-700 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : approach |
| Route In Use | approach : visual |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Experience | flight time last 90 days : 235 flight time type : 2800 |
| ASRS Report | 783449 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | aircraft equipment problem : less severe conflict : airborne less severe non adherence : company policies non adherence : clearance other spatial deviation |
| Independent Detector | other flight crewa |
| Resolutory Action | controller : issued alert flight crew : returned to intended or assigned course flight crew : overcame equipment problem |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Aircraft ATC Human Performance |
| Primary Problem | ATC Human Performance |
Narrative:
Captain was PF; we were cleared visual approach to runway 16L. On left base we were assigned visual for runway 17R. The PF was reaching down and changing localizer frequency while flying at the same time. The localizer capture mode disengaged when he swapped out frequencys and the autoplt didn't capture the centerline of runway 17R. Aircraft blew through final and we started encroaching on runway 16L where there was traffic. ATC called to us to verify we had traffic and runway 17R in sight. I confirmed we did and were correcting. As we rolled wings level; I brought my attention back inside the aircraft and noticed speed brakes out and flaps 15 degrees. I immediately called it and the speed brakes were stowed. Landing occurred without further incident. PF needs to delegate all PNF duties (radio frequency changes) to PNF. Total distraction occurred. Also; ATC should not reassign new runway that close to the field.
Original NASA ASRS Text
Title: CLOSE-IN RWY CHANGE AND MULTI-TASKING BY PF CONTRIBUTE TO TRACK DEV; NON STANDARD FLT CONTROL CONFIGURATION AND POTENTIAL LOSS OF SEPARATION ON VISUAL APCH TO DEN.
Narrative: CAPT WAS PF; WE WERE CLRED VISUAL APCH TO RWY 16L. ON L BASE WE WERE ASSIGNED VISUAL FOR RWY 17R. THE PF WAS REACHING DOWN AND CHANGING LOC FREQ WHILE FLYING AT THE SAME TIME. THE LOC CAPTURE MODE DISENGAGED WHEN HE SWAPPED OUT FREQS AND THE AUTOPLT DIDN'T CAPTURE THE CTRLINE OF RWY 17R. ACFT BLEW THROUGH FINAL AND WE STARTED ENCROACHING ON RWY 16L WHERE THERE WAS TFC. ATC CALLED TO US TO VERIFY WE HAD TFC AND RWY 17R IN SIGHT. I CONFIRMED WE DID AND WERE CORRECTING. AS WE ROLLED WINGS LEVEL; I BROUGHT MY ATTN BACK INSIDE THE ACFT AND NOTICED SPD BRAKES OUT AND FLAPS 15 DEGS. I IMMEDIATELY CALLED IT AND THE SPD BRAKES WERE STOWED. LNDG OCCURRED WITHOUT FURTHER INCIDENT. PF NEEDS TO DELEGATE ALL PNF DUTIES (RADIO FREQ CHANGES) TO PNF. TOTAL DISTR OCCURRED. ALSO; ATC SHOULD NOT REASSIGN NEW RWY THAT CLOSE TO THE FIELD.
Data retrieved from NASA's ASRS site as of May 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.