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MD80 pilot reports a premature descent to MDA in part due to distraction caused by ATC speed assignment.
| Attributes | |
| ACN | 752427 |
| Time | |
| Date | 200708 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : ord.airport |
| State Reference | IL |
| Environment | |
| Weather Elements | Thunderstorm |
| Aircraft 1 | |
| Controlling Facilities | tracon : c90.tracon tower : ord.tower |
| Operator | common carrier : air carrier |
| Make Model Name | MD-83 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | ils localizer & glide slope : 10 |
| Flight Phase | descent : approach |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| ASRS Report | 752427 |
| Events | |
| Anomaly | altitude deviation : overshoot non adherence : published procedure |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : anomaly accepted |
| Supplementary | |
| Problem Areas | Chart Or Publication Flight Crew Human Performance ATC Human Performance |
| Primary Problem | ATC Human Performance |
Narrative:
Foolishly accepted and executed ATC assigned speed of 180 KTS to bugse on localizer runway 10 at ord. This resulted in me descending to minimums sooner than normal. Got low altitude alert from controller. Was at minimums or above throughout I thought. Landed without further incident. Ceiling was reported within 150 ft of minimums. I wanted to get down in plenty of time to get a good look -- I ended up alarming the controller. Will now be on high alert against flying so fast for ATC that I let it adversely affect executing the approach in any way. First officer was excellent pilot monitoring throughout and we had a very good debrief.
Original NASA ASRS Text
Title: MD80 PLT REPORTS A PREMATURE DESCENT TO MDA IN PART DUE TO DISTRACTION CAUSED BY ATC SPEED ASSIGNMENT.
Narrative: FOOLISHLY ACCEPTED AND EXECUTED ATC ASSIGNED SPD OF 180 KTS TO BUGSE ON LOC RWY 10 AT ORD. THIS RESULTED IN ME DSNDING TO MINIMUMS SOONER THAN NORMAL. GOT LOW ALT ALERT FROM CTLR. WAS AT MINIMUMS OR ABOVE THROUGHOUT I THOUGHT. LANDED WITHOUT FURTHER INCIDENT. CEILING WAS RPTED WITHIN 150 FT OF MINIMUMS. I WANTED TO GET DOWN IN PLENTY OF TIME TO GET A GOOD LOOK -- I ENDED UP ALARMING THE CTLR. WILL NOW BE ON HIGH ALERT AGAINST FLYING SO FAST FOR ATC THAT I LET IT ADVERSELY AFFECT EXECUTING THE APCH IN ANY WAY. FO WAS EXCELLENT PLT MONITORING THROUGHOUT AND WE HAD A VERY GOOD DEBRIEF.
Data retrieved from NASA's ASRS site as of January 2009 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.