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A B757 flight crew loses communication with tower controller during an inadvertent early frequency change on final approach into lax, ca.
| Attributes | |
| ACN | 461260 |
| Time | |
| Date | 200001 |
| Day | Fri |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : lax.airport |
| State Reference | CA |
| Altitude | agl bound lower : 0 agl bound upper : 1500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tower : lax.tower |
| Operator | common carrier : air carrier |
| Make Model Name | B757 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : vacating altitude ground : taxi landing : roll |
| Route In Use | approach : instrument non precision |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : commercial pilot : atp |
| Experience | flight time last 90 days : 60 flight time total : 14000 flight time type : 60 |
| ASRS Report | 761260 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument pilot : multi engine |
| Events | |
| Anomaly | non adherence : far non adherence : published procedure non adherence : clearance other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued advisory |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
On final into lax, we were on tower and cleared to land. When I hear 'cleared to land' I generally put the ground control frequency in the not-being-used side of the double head #1 radio. When I did that, I changed the active or tower frequency to ground by mistake. After landing, tower could not contact us and was worried that we may not hold short of the parallel runway. They called us on ground.
Original NASA ASRS Text
Title: A B757 FLC LOSES COM WITH TWR CTLR DURING AN INADVERTENT EARLY FREQ CHANGE ON FINAL APCH INTO LAX, CA.
Narrative: ON FINAL INTO LAX, WE WERE ON TWR AND CLRED TO LAND. WHEN I HEAR 'CLRED TO LAND' I GENERALLY PUT THE GND CTL FREQ IN THE NOT-BEING-USED SIDE OF THE DOUBLE HEAD #1 RADIO. WHEN I DID THAT, I CHANGED THE ACTIVE OR TWR FREQ TO GND BY MISTAKE. AFTER LNDG, TWR COULD NOT CONTACT US AND WAS WORRIED THAT WE MAY NOT HOLD SHORT OF THE PARALLEL RWY. THEY CALLED US ON GND.
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.