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A B747 conducted CAT III approachs to dtw runway 3L while threshold lights notamed OTS. CAT III approachs to runway 3R not in use due to a non notamed problem.
| Attributes | |
| ACN | 427716 |
| Time | |
| Date | 199901 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : dtw |
| State Reference | MI |
| Environment | |
| Flight Conditions | IMC |
| Light | Dusk |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B747-400 |
| Navigation In Use | Other |
| Flight Phase | landing other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | other personnel |
| Qualification | other |
| ASRS Report | 427716 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | other anomaly other |
| Independent Detector | other other : unspecified |
| Resolutory Action | none taken : detected after the fact |
| Consequence | Other |
| Supplementary | |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Dtw visibility was 1/4 mi, with 800 ft RVR. Airport was conducting approachs to runway 3L/CAT III despite a NOTAM saying threshold lights for wry 3L were OTS. On the FLIP side, runway 3R, which is now approved for CAT III operations, was not being used for approachs due to a non notamed problem with lighting per the ATIS. Bottom line: the airport was only CAT I capable but CAT ii/III approachs were being conducted off and on throughout the morning. Suggestion: NOTAMS and operation must match.
Original NASA ASRS Text
Title: A B747 CONDUCTED CAT III APCHS TO DTW RWY 3L WHILE THRESHOLD LIGHTS NOTAMED OTS. CAT III APCHS TO RWY 3R NOT IN USE DUE TO A NON NOTAMED PROB.
Narrative: DTW VISIBILITY WAS 1/4 MI, WITH 800 FT RVR. ARPT WAS CONDUCTING APCHS TO RWY 3L/CAT III DESPITE A NOTAM SAYING THRESHOLD LIGHTS FOR WRY 3L WERE OTS. ON THE FLIP SIDE, RWY 3R, WHICH IS NOW APPROVED FOR CAT III OPS, WAS NOT BEING USED FOR APCHS DUE TO A NON NOTAMED PROB WITH LIGHTING PER THE ATIS. BOTTOM LINE: THE ARPT WAS ONLY CAT I CAPABLE BUT CAT II/III APCHS WERE BEING CONDUCTED OFF AND ON THROUGHOUT THE MORNING. SUGGESTION: NOTAMS AND OP MUST MATCH.
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.