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Flight crew of a DC9 overshot descent altitude due to WX watch and ATC distraction. Altitude alerter warned first officer of error and he returned the aircraft to assigned altitude.
| Attributes | |
| ACN | 372940 |
| Time | |
| Date | 199706 |
| Day | Mon |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : uin airport : stl |
| State Reference | IL |
| Altitude | msl bound lower : 14700 msl bound upper : 15000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | DC-9 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent other |
| Route In Use | enroute airway : stl |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : flight engineer pilot : commercial pilot : cfi pilot : atp pilot : instrument |
| Experience | flight time last 90 days : 210 flight time total : 23900 flight time type : 9200 |
| ASRS Report | 372940 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : cfi pilot : commercial pilot : flight engineer pilot : instrument pilot : atp |
| Experience | flight time last 90 days : 120 flight time total : 6000 flight time type : 120 |
| ASRS Report | 373390 |
| Events | |
| Anomaly | altitude deviation : overshoot inflight encounter : weather non adherence : clearance |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified 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:
The first officer was flying, deviating east of a cell off right side, I, the captain was talking to ATC. ATC was asking when we could start turning south. First officer was descending to level off at 15000 ft, autoplt was on, first officer had his hand on rate of descent wheel as a reminder -- getting close to altitude. First officer's attention was diverted, listening to ATC conversation and looking outside at WX. Altitude alert sounded at 14700 ft, immediate level off occurred and we climbed back to 15000 ft. Factors: first officer diverted attention. Received ATC conversation just prior to leveloff. First officer less than 100 hours in aircraft. Captain not monitoring first officer close enough.
Original NASA ASRS Text
Title: FLC OF A DC9 OVERSHOT DSCNT ALT DUE TO WX WATCH AND ATC DISTR. ALT ALERTER WARNED FO OF ERROR AND HE RETURNED THE ACFT TO ASSIGNED ALT.
Narrative: THE FO WAS FLYING, DEVIATING E OF A CELL OFF R SIDE, I, THE CAPT WAS TALKING TO ATC. ATC WAS ASKING WHEN WE COULD START TURNING S. FO WAS DSNDING TO LEVEL OFF AT 15000 FT, AUTOPLT WAS ON, FO HAD HIS HAND ON RATE OF DSCNT WHEEL AS A REMINDER -- GETTING CLOSE TO ALT. FO'S ATTN WAS DIVERTED, LISTENING TO ATC CONVERSATION AND LOOKING OUTSIDE AT WX. ALT ALERT SOUNDED AT 14700 FT, IMMEDIATE LEVEL OFF OCCURRED AND WE CLBED BACK TO 15000 FT. FACTORS: FO DIVERTED ATTN. RECEIVED ATC CONVERSATION JUST PRIOR TO LEVELOFF. FO LESS THAN 100 HRS IN ACFT. CAPT NOT MONITORING FO CLOSE ENOUGH.
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.