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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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Altitude deviation altitude excursion. Air carrier crew continues a descent toward an expected crossing altitude and they go through their assigned altitude.
| Attributes | |
| ACN | 303998 |
| Time | |
| Date | 199504 |
| Day | Sat |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : stl |
| State Reference | MO |
| Altitude | msl bound lower : 11000 msl bound upper : 15000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zkc |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent other |
| Route In Use | arrival other arrival star : star |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : cfi pilot : atp pilot : flight engineer |
| Experience | flight time last 90 days : 180 flight time total : 20000 flight time type : 180 |
| ASRS Report | 303998 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude non adherence : clearance |
| Independent Detector | other controllera |
| Resolutory Action | other |
| Consequence | faa : reviewed incident with flight crew |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Descending to 15000 ft on qball arrival into st. Louis, captain flying and copilot speaking on company radio, and getting ATIS. Arrival chart qball depicts crossing qball at 11000 ft. Captain mistakenly continues descent to 11000 ft although only cleared to 15000 ft. ATC questions altitude and mistake is discovered. Altitude warning had not been re-set from 24000 ft to 15000 ft or 11000 ft, so no horn/light warning occurred.
Original NASA ASRS Text
Title: ALTDEV ALT EXCURSION. ACR CREW CONTINUES A DSCNT TOWARD AN EXPECTED XING ALT AND THEY GO THROUGH THEIR ASSIGNED ALT.
Narrative: DSNDING TO 15000 FT ON QBALL ARR INTO ST. LOUIS, CAPT FLYING AND COPLT SPEAKING ON COMPANY RADIO, AND GETTING ATIS. ARR CHART QBALL DEPICTS XING QBALL AT 11000 FT. CAPT MISTAKENLY CONTINUES DSCNT TO 11000 FT ALTHOUGH ONLY CLRED TO 15000 FT. ATC QUESTIONS ALT AND MISTAKE IS DISCOVERED. ALT WARNING HAD NOT BEEN RE-SET FROM 24000 FT TO 15000 FT OR 11000 FT, SO NO HORN/LIGHT WARNING OCCURRED.
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.