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Reporter noted repeated occasions where the dox VOR at dtw was unreliable in the widebody transport type aircraft.
| Attributes | |
| ACN | 170855 |
| Time | |
| Date | 199102 |
| Day | Sat |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : dtw |
| State Reference | MI |
| Altitude | msl bound lower : 2500 msl bound upper : 2500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Dusk |
| Aircraft 1 | |
| Controlling Facilities | tower : dtw |
| Operator | common carrier : air carrier |
| Make Model Name | Widebody, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other Other |
| Flight Phase | descent : approach |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 6000 flight time type : 700 |
| ASRS Report | 170855 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : instrument pilot : commercial |
| Events | |
| Anomaly | aircraft equipment problem : less severe other anomaly other other spatial deviation |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
All widebody transport this type aircraft. I have been on this aircraft for 1 yr and it has never been reliable for VOR 21R approachs. When checking with ground or tower always our aircraft was the only unreliable one. This has been written up repeatedly and has not been corrected. Callback conversation with reporter revealed the following: after repeated letters and log book write-ups to the company the problem seems to have been corrected.
Original NASA ASRS Text
Title: REPORTER NOTED REPEATED OCCASIONS WHERE THE DOX VOR AT DTW WAS UNRELIABLE IN THE WDB TYPE ACFT.
Narrative: ALL WDB THIS TYPE ACFT. I HAVE BEEN ON THIS ACFT FOR 1 YR AND IT HAS NEVER BEEN RELIABLE FOR VOR 21R APCHS. WHEN CHKING WITH GND OR TWR ALWAYS OUR ACFT WAS THE ONLY UNRELIABLE ONE. THIS HAS BEEN WRITTEN UP REPEATEDLY AND HAS NOT BEEN CORRECTED. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING: AFTER REPEATED LETTERS AND LOG BOOK WRITE-UPS TO THE COMPANY THE PROB SEEMS TO HAVE BEEN CORRECTED.
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.