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A DC9 flight crew is vectored through the final approach course. Then they inadvertently go through the final approach course with a possible full scale deflection upon return.
| Attributes | |
| ACN | 594524 |
| Time | |
| Date | 200309 |
| Day | Thu |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : dtw.airport |
| State Reference | TX |
| Altitude | msl single value : 2500 |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tracon : d10.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | DC-9 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | ils localizer & glide slope : 35c |
| Flight Phase | descent : approach |
| Route In Use | arrival : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 18000 flight time type : 4000 |
| ASRS Report | 594524 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | other anomaly other spatial deviation |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : returned to intended or assigned course |
| Supplementary | |
| Problem Areas | ATC Human Performance Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
Narrative:
We were vectored through the final approach course for ILS runway 35C at dfw. When re-intercepting the localizer for the ILS runway 35C at dfw approach, we went through the course, and may have been off-scale for a couple of seconds corrected immediately, and flew normal approach on course and landed normally. Discussed scenario with the first officer (PF) and suggested a slower approach speed would probably be a better plan on future approachs.
Original NASA ASRS Text
Title: A DC9 FLT CREW IS VECTORED THROUGH THE FINAL APCH COURSE. THEN THEY INADVERTENTLY GO THROUGH THE FINAL APCH COURSE WITH A POSSIBLE FULL SCALE DEFLECTION UPON RETURN.
Narrative: WE WERE VECTORED THROUGH THE FINAL APCH COURSE FOR ILS RWY 35C AT DFW. WHEN RE-INTERCEPTING THE LOC FOR THE ILS RWY 35C AT DFW APCH, WE WENT THROUGH THE COURSE, AND MAY HAVE BEEN OFF-SCALE FOR A COUPLE OF SECONDS CORRECTED IMMEDIATELY, AND FLEW NORMAL APCH ON COURSE AND LANDED NORMALLY. DISCUSSED SCENARIO WITH THE FO (PF) AND SUGGESTED A SLOWER APCH SPD WOULD PROBABLY BE A BETTER PLAN ON FUTURE APCHS.
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.