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Flight crew of a dehavilland dash 8 overshot crossing altitude during descent due to missetting FMC to the next stepdown lower altitude.
| Attributes | |
| ACN | 439054 |
| Time | |
| Date | 199906 |
| Day | Mon |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | navaid : fak.vortac |
| State Reference | VA |
| Altitude | msl bound lower : 8000 msl bound upper : 10000 |
| Environment | |
| Flight Conditions | VMC VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : ric.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | Dash 8 Series Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : intermediate altitude descent : vacating altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 210 flight time total : 15000 flight time type : 210 |
| ASRS Report | 439054 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : atp pilot : instrument pilot : multi engine |
| Experience | flight time last 90 days : 200 flight time total : 6200 flight time type : 3000 |
| ASRS Report | 439729 |
| Events | |
| Anomaly | altitude deviation : overshoot altitude deviation : crossing restriction not met non adherence : clearance non adherence : far |
| Independent Detector | other controllera other flight crewa other flight crewb |
| Resolutory Action | controller : issued alert none taken : anomaly accepted none taken : detected after the fact |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
Narrative:
Descending out of 17000 ft, given clearance to cross epics at 10000 ft then descend to 8000 ft. Set 8000 ft in the altitude preselect. Crossed epics at 8000 ft instead of 10000 ft. It was discovered simultaneously by both pilots and ATC. ATC stated that there was no conflict.
Original NASA ASRS Text
Title: FLC OF A DEHAVILLAND DASH 8 OVERSHOT XING ALT DURING DSCNT DUE TO MISSETTING FMC TO THE NEXT STEPDOWN LOWER ALT.
Narrative: DSNDING OUT OF 17000 FT, GIVEN CLRNC TO CROSS EPICS AT 10000 FT THEN DSND TO 8000 FT. SET 8000 FT IN THE ALT PRESELECT. CROSSED EPICS AT 8000 FT INSTEAD OF 10000 FT. IT WAS DISCOVERED SIMULTANEOUSLY BY BOTH PLTS AND ATC. ATC STATED THAT THERE WAS NO 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.