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Radar vectoring triggered a clearance expected syndrome. Altitude callout procedure was exercised. A failed attempt at cockpit coordination.
| Attributes | |
| ACN | 354310 |
| Time | |
| Date | 199612 |
| Day | Sun |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : ord |
| State Reference | IL |
| Altitude | msl bound lower : 6700 msl bound upper : 7000 |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tracon : ord |
| Operator | common carrier : air carrier |
| Make Model Name | B727 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : approach descent other |
| Route In Use | arrival other enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : second officer |
| Qualification | pilot : instrument pilot : commercial pilot : flight engineer |
| ASRS Report | 354310 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| ASRS Report | 354309 |
| Events | |
| Anomaly | altitude deviation : overshoot non adherence : clearance other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : became reoriented flight crew : returned to intended course or assigned course |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
ATC facility: ord approach control. Location: ord 180-020. Aircraft was cleared to descend to 7000 ft MSL. At approximately 1000 ft above a heading change was issued. The PF anticipated further descent clearance with this call and inadvertently descended below the assigned altitude by approximately 300 ft. The PF immediately recovered the aircraft to the assigned altitude of 7000 ft MSL.
Original NASA ASRS Text
Title: RADAR VECTORING TRIGGERED A CLRNC EXPECTED SYNDROME. ALT CALLOUT PROC WAS EXERCISED. A FAILED ATTEMPT AT COCKPIT COORD.
Narrative: ATC FACILITY: ORD APCH CTL. LOCATION: ORD 180-020. ACFT WAS CLRED TO DSND TO 7000 FT MSL. AT APPROX 1000 FT ABOVE A HEADING CHANGE WAS ISSUED. THE PF ANTICIPATED FURTHER DSCNT CLRNC WITH THIS CALL AND INADVERTENTLY DSNDED BELOW THE ASSIGNED ALT BY APPROX 300 FT. THE PF IMMEDIATELY RECOVERED THE ACFT TO THE ASSIGNED ALT OF 7000 FT MSL.
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.