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Flight crew of a cpr 3 engine executive jet overshot descent altitude by 500 ft due to cockpit workload and unfamiliarity with the FMS system. The crew made an immediate correction back to assigned altitude.
| Attributes | |
| ACN | 396960 |
| Time | |
| Date | 199803 |
| Day | Tue |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : cvo |
| State Reference | OR |
| Altitude | msl bound lower : 7500 msl bound upper : 8000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : zse |
| Operator | general aviation : corporate |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | Other Other |
| Flight Phase | descent other |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : first officer |
| Qualification | pilot : atp pilot : cfi |
| Experience | flight time last 90 days : 39 flight time total : 4500 flight time type : 25 |
| ASRS Report | 396960 |
| Person 2 | |
| Affiliation | Other |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| 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:
Descent below ATC issued altitude. Altitude alerter warning was not noticed due to cockpit workload and FMS unfamiliarity. At 7500 ft MSL we noticed and corrected back up to 8000 ft.
Original NASA ASRS Text
Title: FLC OF A CPR 3 ENG EXECUTIVE JET OVERSHOT DSCNT ALT BY 500 FT DUE TO COCKPIT WORKLOAD AND UNFAMILIARITY WITH THE FMS SYS. THE CREW MADE AN IMMEDIATE CORRECTION BACK TO ASSIGNED ALT.
Narrative: DSCNT BELOW ATC ISSUED ALT. ALT ALERTER WARNING WAS NOT NOTICED DUE TO COCKPIT WORKLOAD AND FMS UNFAMILIARITY. AT 7500 FT MSL WE NOTICED AND CORRECTED BACK UP TO 8000 FT.
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.