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A climbing B737-300 overshot its assigned altitude when the crew continued a climb towards the 'expected' altitude assignment.
| Attributes | |
| ACN | 414930 |
| Time | |
| Date | 199809 |
| Day | Fri |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : eed |
| State Reference | CA |
| Altitude | msl bound lower : 29000 msl bound upper : 29400 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zla |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | enroute airway : zla |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : commercial pilot : atp pilot : flight engineer |
| Experience | flight time last 90 days : 180 flight time total : 9000 flight time type : 4200 |
| ASRS Report | 414930 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 240 flight time total : 16000 flight time type : 5000 |
| ASRS Report | 415077 |
| Events | |
| Anomaly | altitude deviation : overshoot non adherence : clearance other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | flight crew : returned to intended course or assigned course other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Controller cleared us to FL290 and to expect FL310. Crew understood as cleared to FL310. Discovered error passing FL294 and descended back to FL290. No apparent conflict existed. Supplemental information from acn 415077: as we went through FL295, ATC advised us of our clearance limit of FL290.
Original NASA ASRS Text
Title: A CLBING B737-300 OVERSHOT ITS ASSIGNED ALT WHEN THE CREW CONTINUED A CLB TOWARDS THE 'EXPECTED' ALT ASSIGNMENT.
Narrative: CTLR CLRED US TO FL290 AND TO EXPECT FL310. CREW UNDERSTOOD AS CLRED TO FL310. DISCOVERED ERROR PASSING FL294 AND DSNDED BACK TO FL290. NO APPARENT CONFLICT EXISTED. SUPPLEMENTAL INFO FROM ACN 415077: AS WE WENT THROUGH FL295, ATC ADVISED US OF OUR CLRNC LIMIT OF FL290.
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.