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Flight crew of an airbus A300 had not reset their altimeter during descent due to the ATIS unreadable causing them to overshoot a STAR crossing fix.
| Attributes | |
| ACN | 430700 |
| Time | |
| Date | 199903 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | intersection : bearz |
| State Reference | IL |
| Altitude | msl bound lower : 10600 msl bound upper : 11000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zau.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | A300 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other other vortac |
| Flight Phase | descent : intermediate altitude |
| Route In Use | arrival star : okk. okk1 |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : commercial pilot : flight engineer pilot : instrument pilot : multi engine pilot : private |
| Experience | flight time last 90 days : 80 flight time total : 7000 flight time type : 2800 |
| ASRS Report | 430700 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : multi engine pilot : commercial |
| Events | |
| Anomaly | altitude deviation : overshoot non adherence : clearance non adherence : far |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : returned to original clearance |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Ord ATIS not readable, intermittent. Altimeter setting not given on descent instructions or not received during transmission. Pressure was high, 29.92 in hg setting resulted in flying too low. When altimeter received from company for ord, 30.33 in hg, it was set in barometer by bearz, at 11000 ft MSL.
Original NASA ASRS Text
Title: FLC OF AN AIRBUS A300 HAD NOT RESET THEIR ALTIMETER DURING DSCNT DUE TO THE ATIS UNREADABLE CAUSING THEM TO OVERSHOOT A STAR XING FIX.
Narrative: ORD ATIS NOT READABLE, INTERMITTENT. ALTIMETER SETTING NOT GIVEN ON DSCNT INSTRUCTIONS OR NOT RECEIVED DURING XMISSION. PRESSURE WAS HIGH, 29.92 IN HG SETTING RESULTED IN FLYING TOO LOW. WHEN ALTIMETER RECEIVED FROM COMPANY FOR ORD, 30.33 IN HG, IT WAS SET IN BAROMETER BY BEARZ, AT 11000 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.