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Large transport flight crew has omega malfunction and almost misses crossing restr. Approach controller informs them of the distance from the fix.
| Attributes | |
| ACN | 339433 |
| Time | |
| Date | 199606 |
| Day | Thu |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : atl |
| State Reference | GA |
| Altitude | msl bound lower : 12000 msl bound upper : 14000 |
| Environment | |
| Light | Dusk |
| Aircraft 1 | |
| Controlling Facilities | tracon : atl |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent other |
| Route In Use | enroute : direct |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 230 flight time total : 21000 flight time type : 1000 |
| ASRS Report | 339433 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | altitude deviation : crossing restriction not met other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | other other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Were descending direct to husky and cleared to cross 15 mi out of husky at 12000 ft. On descent, omega went out (happens quite often at sunset and sunrise). We just got omega back which showed 25 mi from husky when center called and said they showed us 15 mi out and to expedite our descent. We were descending out of 14000 ft. We expedited to 12000 ft. Contributing factor: the autoplt was inoperative and our workload was very heavy on manual descent.
Original NASA ASRS Text
Title: LGT FLC HAS OMEGA MALFUNCTION AND ALMOST MISSES XING RESTR. APCH CTLR INFORMS THEM OF THE DISTANCE FROM THE FIX.
Narrative: WERE DSNDING DIRECT TO HUSKY AND CLRED TO CROSS 15 MI OUT OF HUSKY AT 12000 FT. ON DSCNT, OMEGA WENT OUT (HAPPENS QUITE OFTEN AT SUNSET AND SUNRISE). WE JUST GOT OMEGA BACK WHICH SHOWED 25 MI FROM HUSKY WHEN CTR CALLED AND SAID THEY SHOWED US 15 MI OUT AND TO EXPEDITE OUR DSCNT. WE WERE DSNDING OUT OF 14000 FT. WE EXPEDITED TO 12000 FT. CONTRIBUTING FACTOR: THE AUTOPLT WAS INOP AND OUR WORKLOAD WAS VERY HVY ON MANUAL DSCNT.
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.