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A cpr falcon 10 flight crew overshoots their assigned altitude when the PIC fails to understand the first officer's readback to ATC, C90, il.
| Attributes | |
| ACN | 479030 |
| Time | |
| Date | 200007 |
| Day | Wed |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : ugn.airport |
| State Reference | IL |
| Altitude | msl bound lower : 8700 msl bound upper : 9000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : c90.tracon |
| Operator | general aviation : corporate |
| Make Model Name | Falcon 10C |
| Operating Under FAR Part | Part 91 |
| Flight Phase | descent : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : corporate |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : multi engine pilot : atp pilot : cfi |
| Experience | flight time last 90 days : 100 flight time total : 9400 flight time type : 175 |
| ASRS Report | 479030 |
| Person 2 | |
| Affiliation | company : corporate |
| Function | flight crew : first officer |
| Qualification | pilot : cfi pilot : commercial pilot : multi engine |
| Experience | flight time last 90 days : 75 flight time total : 1400 flight time type : 100 |
| ASRS Report | 479031 |
| Events | |
| Anomaly | altitude deviation : overshoot non adherence : company policies non adherence : clearance other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : returned to assigned altitude |
| Consequence | Other |
| Supplementary | |
| Problem Areas | Environmental Factor Aircraft Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Captain misunderstood descent clearance as read back by first officer. Descended below 9000 ft (as cleared) then climbed back up to 9000 ft and leveled off. Cockpit descent noise and excessive radio traffic contributed to the problem.
Original NASA ASRS Text
Title: A CPR FALCON 10 FLC OVERSHOOTS THEIR ASSIGNED ALT WHEN THE PIC FAILS TO UNDERSTAND THE FO'S READBACK TO ATC, C90, IL.
Narrative: CAPT MISUNDERSTOOD DSCNT CLRNC AS READ BACK BY FO. DSNDED BELOW 9000 FT (AS CLRED) THEN CLBED BACK UP TO 9000 FT AND LEVELED OFF. COCKPIT DSCNT NOISE AND EXCESSIVE RADIO TFC CONTRIBUTED TO THE PROB.
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.