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Flight crew of an medium large transport overshot crossing altitude on descent and exceeded speed restr due to distraction with company communication by first officer.
| Attributes | |
| ACN | 301781 |
| Time | |
| Date | 199504 |
| Day | Tue |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : phx |
| State Reference | AZ |
| Altitude | msl bound lower : 8800 msl bound upper : 10000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Dusk |
| Aircraft 1 | |
| Controlling Facilities | tracon : pax |
| Operator | common carrier : air carrier |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent other |
| Route In Use | arrival other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : flight engineer |
| Experience | flight time last 90 days : 250 flight time total : 13500 flight time type : 10000 |
| ASRS Report | 301781 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | altitude deviation : overshoot altitude deviation : crossing restriction not met non adherence : clearance other anomaly |
| 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:
On the arrival, we were cleared to 10000 ft. Descending through 11000 ft and preparing to level at 10000 ft, my first officer was on the radio with company operations who informed him we had an unscheduled aircraft change in phx. I was distracted by this radio conversation, which I was monitoring, and inadvertently descended below my assigned altitude. I also exceeded 250 KTS since we normally slow at 10000 ft after leveloff. I realized my mistake at 8800 ft and immediately climbed to 10000 ft. There was no traffic conflict.
Original NASA ASRS Text
Title: FLC OF AN MLG OVERSHOT XING ALT ON DSCNT AND EXCEEDED SPD RESTR DUE TO DISTR WITH COMPANY COM BY FO.
Narrative: ON THE ARR, WE WERE CLRED TO 10000 FT. DSNDING THROUGH 11000 FT AND PREPARING TO LEVEL AT 10000 FT, MY FO WAS ON THE RADIO WITH COMPANY OPS WHO INFORMED HIM WE HAD AN UNSCHEDULED ACFT CHANGE IN PHX. I WAS DISTRACTED BY THIS RADIO CONVERSATION, WHICH I WAS MONITORING, AND INADVERTENTLY DSNDED BELOW MY ASSIGNED ALT. I ALSO EXCEEDED 250 KTS SINCE WE NORMALLY SLOW AT 10000 FT AFTER LEVELOFF. I REALIZED MY MISTAKE AT 8800 FT AND IMMEDIATELY CLBED TO 10000 FT. THERE WAS NO TFC CONFLICT.
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.