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Medium large transport aircraft in descent given late frequency change, flight crew descended through the assigned altitude by 400 ft.
| Attributes | |
| ACN | 351630 |
| Time | |
| Date | 199610 |
| Day | Tue |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : sat |
| State Reference | TX |
| Altitude | msl bound lower : 5600 msl bound upper : 6000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport |
| Flight Phase | descent other |
| Route In Use | enroute airway : sat |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : second officer |
| Qualification | pilot : flight engineer pilot : atp |
| Experience | flight time last 90 days : 180 flight time total : 3700 flight time type : 2100 |
| ASRS Report | 351630 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : flight engineer |
| Experience | flight time last 90 days : 125 flight time total : 20000 flight time type : 1000 |
| ASRS Report | 351568 |
| Events | |
| Anomaly | altitude deviation : overshoot non adherence : clearance |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : returned to intended course or assigned course |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
While descending to a visual approach, we were given a frequency change at 6400 ft. The aircraft descended through 6000 ft during the change and immediately returned to the last assigned altitude. A frequency change always distracts the PNF and I don't think it should be done within 1000 ft of a leveloff altitude.
Original NASA ASRS Text
Title: MLG ACFT IN DSCNT GIVEN LATE FREQ CHANGE, FLC DSNDED THROUGH THE ASSIGNED ALT BY 400 FT.
Narrative: WHILE DSNDING TO A VISUAL APCH, WE WERE GIVEN A FREQ CHANGE AT 6400 FT. THE ACFT DSNDED THROUGH 6000 FT DURING THE CHANGE AND IMMEDIATELY RETURNED TO THE LAST ASSIGNED ALT. A FREQ CHANGE ALWAYS DISTRACTS THE PNF AND I DON'T THINK IT SHOULD BE DONE WITHIN 1000 FT OF A LEVELOFF ALT.
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.