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Captain of air carrier widebody transport lost contact with ZLA for several mins. Says the radio panel on the widebody transport is easy to mess up.
| Attributes | |
| ACN | 185723 |
| Time | |
| Date | 199108 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : lax |
| State Reference | CA |
| Altitude | msl bound lower : 18000 msl bound upper : 18000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zla tower : ric |
| Operator | common carrier : air carrier |
| Make Model Name | Widebody, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other Other |
| Flight Phase | cruise other descent other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 90 flight time total : 19000 flight time type : 65 |
| ASRS Report | 185723 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Events | |
| Anomaly | non adherence : far other anomaly other |
| Independent Detector | other controllera other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
The widebody transport is new to me. On my third trip in the aircraft since initial line check out, during descent phase of the flight into lax basin, I somehow deselected the assigned lax center frequency and went for 3 or 4 mins on the wrong frequency. When back on correct frequency ATC required a 360 degree descending turn to get us back in sequence. No conflict so far as I know. The radio management panel on the widebody transport is complex and very easy to mess up. Not a good decision.
Original NASA ASRS Text
Title: CAPT OF ACR WDB LOST CONTACT WITH ZLA FOR SEVERAL MINS. SAYS THE RADIO PANEL ON THE WDB IS EASY TO MESS UP.
Narrative: THE WDB IS NEW TO ME. ON MY THIRD TRIP IN THE ACFT SINCE INITIAL LINE CHK OUT, DURING DSCNT PHASE OF THE FLT INTO LAX BASIN, I SOMEHOW DESELECTED THE ASSIGNED LAX CENTER FREQ AND WENT FOR 3 OR 4 MINS ON THE WRONG FREQ. WHEN BACK ON CORRECT FREQ ATC REQUIRED A 360 DEG DSNDING TURN TO GET US BACK IN SEQUENCE. NO CONFLICT SO FAR AS I KNOW. THE RADIO MGMNT PANEL ON THE WDB IS COMPLEX AND VERY EASY TO MESS UP. NOT A GOOD DECISION.
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.