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An air carrier DC9 crew selected the wrong ILS frequency and flew through their assigned localizer. WX factors low ceiling and visibility requiring a full ILS procedure.
| Attributes | |
| ACN | 360006 |
| Time | |
| Date | 199702 |
| Day | Thu |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : iah |
| State Reference | TX |
| Altitude | msl bound lower : 3000 msl bound upper : 3000 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : iah |
| Operator | common carrier : air carrier |
| Make Model Name | DC-9 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : approach |
| Route In Use | arrival other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 50 flight time total : 10800 flight time type : 2750 |
| ASRS Report | 360006 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : flight engineer pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 9200 flight time type : 3400 |
| ASRS Report | 360413 |
| Events | |
| Anomaly | non adherence : published procedure non adherence : clearance other spatial deviation |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance flight crew : became reoriented other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Tul-iah feb/thu/97, tuned ILS frequency to runway 27 instead of runway 26. Flew through localizer back to runway 26 when controller advised us of the problem. First officer was identing ADF on approach check and hadn't got to identing ILS yet. We followed controller's instructions and intercepted the ILS to runway 26. I waited too long to call for the approach check. Supplemental information from acn 360413: captain set in ILS localizer frequency for runway 27 by mistake in his navigation. Captain set my frequency to runway 27 also. I was in process of an approach check and hadn't reached the frequency check portion. Captain flew through localizer 26 and started to join runway 27 localizer. Tower started getting excited telling us to turn right immediately to rejoin runway 26.
Original NASA ASRS Text
Title: AN ACR DC9 CREW SELECTED THE WRONG ILS FREQ AND FLEW THROUGH THEIR ASSIGNED LOC. WX FACTORS LOW CEILING AND VISIBILITY REQUIRING A FULL ILS PROC.
Narrative: TUL-IAH FEB/THU/97, TUNED ILS FREQ TO RWY 27 INSTEAD OF RWY 26. FLEW THROUGH LOC BACK TO RWY 26 WHEN CTLR ADVISED US OF THE PROB. FO WAS IDENTING ADF ON APCH CHK AND HADN'T GOT TO IDENTING ILS YET. WE FOLLOWED CTLR'S INSTRUCTIONS AND INTERCEPTED THE ILS TO RWY 26. I WAITED TOO LONG TO CALL FOR THE APCH CHK. SUPPLEMENTAL INFO FROM ACN 360413: CAPT SET IN ILS LOC FREQ FOR RWY 27 BY MISTAKE IN HIS NAV. CAPT SET MY FREQ TO RWY 27 ALSO. I WAS IN PROCESS OF AN APCH CHK AND HADN'T REACHED THE FREQ CHK PORTION. CAPT FLEW THROUGH LOC 26 AND STARTED TO JOIN RWY 27 LOC. TWR STARTED GETTING EXCITED TELLING US TO TURN R IMMEDIATELY TO REJOIN RWY 26.
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.