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A DC9 crew, on approach to dtw, turned the wrong way for the ILS intercept, causing an inquiry from ATC.
| Attributes | |
| ACN | 533717 |
| Time | |
| Date | 200112 |
| Day | Fri |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : dtw.airport |
| State Reference | MI |
| Altitude | msl single value : 5000 |
| Environment | |
| Flight Conditions | IMC |
| Weather Elements | Ice |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : d21.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | DC-9 10 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : approach |
| Route In Use | arrival : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : cfi pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 11000 flight time type : 1500 |
| ASRS Report | 533717 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | inflight encounter : weather inflight encounter other non adherence : clearance other spatial deviation |
| Independent Detector | other controllera |
| Resolutory Action | flight crew : returned to intended or assigned course |
| Consequence | faa : reviewed incident with flight crew |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
All operation is normal and according to the air carrier SOP's. We are currently on vectors (+/-330 degrees and 500 ft) from detroit approach control for the ILS runway 21L. The problem occurred when the controller assigned us the last vector (+/-260 degrees) to intercept the localizer runway 21L. I started turning wbound (left) toward 260 degrees when the captain (PNF) told me 'right turn to 260 degrees' (long way around). Maybe I hadn't heard the controller properly, but this seemed odd. Nevertheless, I complied and reversed the turn. In that process, the controller immediately asked us what we were doing and gave us a corrective action to which I complied promptly. The rest of the flight ended normally. The controller did not mention any major conflict. We both had a short night with a very early departure. The captain and I are both experienced in the aircraft.
Original NASA ASRS Text
Title: A DC9 CREW, ON APCH TO DTW, TURNED THE WRONG WAY FOR THE ILS INTERCEPT, CAUSING AN INQUIRY FROM ATC.
Narrative: ALL OP IS NORMAL AND ACCORDING TO THE ACR SOP'S. WE ARE CURRENTLY ON VECTORS (+/-330 DEGS AND 500 FT) FROM DETROIT APCH CTL FOR THE ILS RWY 21L. THE PROB OCCURRED WHEN THE CTLR ASSIGNED US THE LAST VECTOR (+/-260 DEGS) TO INTERCEPT THE LOC RWY 21L. I STARTED TURNING WBOUND (L) TOWARD 260 DEGS WHEN THE CAPT (PNF) TOLD ME 'R TURN TO 260 DEGS' (LONG WAY AROUND). MAYBE I HADN'T HEARD THE CTLR PROPERLY, BUT THIS SEEMED ODD. NEVERTHELESS, I COMPLIED AND REVERSED THE TURN. IN THAT PROCESS, THE CTLR IMMEDIATELY ASKED US WHAT WE WERE DOING AND GAVE US A CORRECTIVE ACTION TO WHICH I COMPLIED PROMPTLY. THE REST OF THE FLT ENDED NORMALLY. THE CTLR DID NOT MENTION ANY MAJOR CONFLICT. WE BOTH HAD A SHORT NIGHT WITH A VERY EARLY DEP. THE CAPT AND I ARE BOTH EXPERIENCED IN THE ACFT.
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.