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Flight crew of a B747-100 were resequenced for landing on another runway after inadvertently flying through the final due to being off approach frequency by mistake.
| Attributes | |
| ACN | 439797 |
| Time | |
| Date | 199906 |
| Day | Sat |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : lax.airport |
| State Reference | CA |
| Altitude | msl single value : 2500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : sct.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | B747-100 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | ils localizer & glide slope : 24r |
| Flight Phase | descent : intermediate altitude |
| Route In Use | arrival : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 10000 flight time type : 2050 |
| ASRS Report | 439797 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 9500 flight time type : 1150 |
| ASRS Report | 440303 |
| Events | |
| Anomaly | non adherence : clearance other spatial deviation |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance controller : separated traffic |
| Supplementary | |
| Problem Areas | Company Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
On vectors from lax approach to land on runway 24R, a heading about 160 degrees at 2500 ft, the first officer inadvertently changed our frequency we were using to talk to lax at about the time we would have received a final vector to intercept the localizer and be cleared for the approach. We were using a dual head VHF receiver. By the time he reestablished contact, we had gone through the localizer so ATC gave us vector away from the airport and climbing up to new altitude of 4500 ft. They brought us back in a new sequence to land on runway 25L. The crew started out of hnl, wake up call at XA30, then flew to travis AFB, then off-loaded to ferry aircraft to lax, arriving about XK45. Myself, since apr to jun, had only 4 days off at home in a 47 day span.
Original NASA ASRS Text
Title: FLC OF A B747-100 WERE RESEQUENCED FOR LNDG ON ANOTHER RWY AFTER INADVERTENTLY FLYING THROUGH THE FINAL DUE TO BEING OFF APCH FREQ BY MISTAKE.
Narrative: ON VECTORS FROM LAX APCH TO LAND ON RWY 24R, A HEADING ABOUT 160 DEGS AT 2500 FT, THE FO INADVERTENTLY CHANGED OUR FREQ WE WERE USING TO TALK TO LAX AT ABOUT THE TIME WE WOULD HAVE RECEIVED A FINAL VECTOR TO INTERCEPT THE LOC AND BE CLRED FOR THE APCH. WE WERE USING A DUAL HEAD VHF RECEIVER. BY THE TIME HE REESTABLISHED CONTACT, WE HAD GONE THROUGH THE LOC SO ATC GAVE US VECTOR AWAY FROM THE ARPT AND CLBING UP TO NEW ALT OF 4500 FT. THEY BROUGHT US BACK IN A NEW SEQUENCE TO LAND ON RWY 25L. THE CREW STARTED OUT OF HNL, WAKE UP CALL AT XA30, THEN FLEW TO TRAVIS AFB, THEN OFF-LOADED TO FERRY ACFT TO LAX, ARRIVING ABOUT XK45. MYSELF, SINCE APR TO JUN, HAD ONLY 4 DAYS OFF AT HOME IN A 47 DAY SPAN.
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.