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An MD80 crew on the dfw TRISS2/txk was flying direct txk after triss because the intervening waypoints dropped from the FMS. ATC redirected on route.
| Attributes | |
| ACN | 686713 |
| Time | |
| Date | 200602 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : dfw.airport |
| State Reference | TX |
| Altitude | msl single value : 35000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zfw.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | MD-80 Series (DC-9-80) Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | departure sid : triss2 |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| ASRS Report | 686713 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| ASRS Report | 686710 |
| Events | |
| Anomaly | aircraft equipment problem : critical non adherence : far non adherence : published procedure non adherence : clearance non adherence : company policies other spatial deviation |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance controller : issued advisory |
| Consequence | faa : assigned or threatened penalties |
| Supplementary | |
| Problem Areas | Aircraft Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
On TRISS2 departure; after triss; the FMS sent us to txk instead of shero intersection. ATC alerted us nearing shero; gave us a heading; then sent us direct to txk. We had reviewed the FMS course against the procedure plate and flight plan during our preflight checks. Don't know if we missed shero or it dropped out of the FMS somehow. Will be more vigilant in both preflight and in flight in the future to catch this type of problem. Called ATC on the ground. They have filed a deviation against us saying that they need to document the problem and get it fixed.
Original NASA ASRS Text
Title: AN MD80 CREW ON THE DFW TRISS2/TXK WAS FLYING DIRECT TXK AFTER TRISS BECAUSE THE INTERVENING WAYPOINTS DROPPED FROM THE FMS. ATC REDIRECTED ON RTE.
Narrative: ON TRISS2 DEP; AFTER TRISS; THE FMS SENT US TO TXK INSTEAD OF SHERO INTXN. ATC ALERTED US NEARING SHERO; GAVE US A HDG; THEN SENT US DIRECT TO TXK. WE HAD REVIEWED THE FMS COURSE AGAINST THE PROC PLATE AND FLT PLAN DURING OUR PREFLT CHKS. DON'T KNOW IF WE MISSED SHERO OR IT DROPPED OUT OF THE FMS SOMEHOW. WILL BE MORE VIGILANT IN BOTH PREFLT AND IN FLT IN THE FUTURE TO CATCH THIS TYPE OF PROBLEM. CALLED ATC ON THE GND. THEY HAVE FILED A DEV AGAINST US SAYING THAT THEY NEED TO DOCUMENT THE PROBLEM AND GET IT FIXED.
Data retrieved from NASA's ASRS site as of January 2009 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.