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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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An air carrier MD80 flight crew was unable to cross a fix at an assigned altitude because the clearance came too late.
| Attributes | |
| ACN | 393890 |
| Time | |
| Date | 199802 |
| Day | Fri |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : crl |
| State Reference | MI |
| Altitude | msl bound lower : 12000 msl bound upper : 17000 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zob tower : hkg |
| Operator | common carrier : air carrier |
| Make Model Name | MD-80 Super 80 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other |
| Flight Phase | descent other |
| Route In Use | arrival other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| ASRS Report | 393890 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | altitude deviation : crossing restriction not met non adherence : clearance other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | controller : issued new clearance other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | other |
Narrative:
Received clearance 10 DME prior to fix to cross at 12000 ft. Were at 17000 ft. Advised ZOB at 3 mi prior to mizar unable restr of 12000 ft at mizar due to late ATC clearance and tailwinds. ATC said do your best. Frequency got busy and could not get altitude restr removed. No traffic conflict apparent.
Original NASA ASRS Text
Title: AN ACR MD80 FLC WAS UNABLE TO CROSS A FIX AT AN ASSIGNED ALT BECAUSE THE CLRNC CAME TOO LATE.
Narrative: RECEIVED CLRNC 10 DME PRIOR TO FIX TO CROSS AT 12000 FT. WERE AT 17000 FT. ADVISED ZOB AT 3 MI PRIOR TO MIZAR UNABLE RESTR OF 12000 FT AT MIZAR DUE TO LATE ATC CLRNC AND TAILWINDS. ATC SAID DO YOUR BEST. FREQ GOT BUSY AND COULD NOT GET ALT RESTR REMOVED. NO TFC CONFLICT APPARENT.
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.