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MD80 on RNAV SID from dfw loses associated transition waypoints when given clearance direct to triss instead of flying charted track.
| Attributes | |
| ACN | 676975 |
| Time | |
| Date | 200511 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : zfw.artcc |
| State Reference | TX |
| Altitude | msl single value : 24000 |
| 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 |
| Navigation In Use | Other |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | departure sid : triss |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| ASRS Report | 676975 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | aircraft equipment problem : critical non adherence : clearance non adherence : published procedure other spatial deviation |
| Independent Detector | other controllerb |
| Resolutory Action | flight crew : overcame equipment problem flight crew : returned to intended or assigned course |
| Supplementary | |
| Problem Areas | Chart Or Publication Airport Aircraft Flight Crew Human Performance |
| Primary Problem | Aircraft |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Doing runway 35L triss 2 RNAV departure. After takeoff prior to cuzen we were given direct triss. After triss the FMS took us direct txr dropping shero. When entering direct triss both pilots confirmed correct route. Unsure why shero dropped out.
Original NASA ASRS Text
Title: MD80 ON RNAV SID FROM DFW LOSES ASSOCIATED TRANSITION WAYPOINTS WHEN GIVEN CLRNC DIRECT TO TRISS INSTEAD OF FLYING CHARTED TRACK.
Narrative: DOING RWY 35L TRISS 2 RNAV DEP. AFTER TAKEOFF PRIOR TO CUZEN WE WERE GIVEN DIRECT TRISS. AFTER TRISS THE FMS TOOK US DIRECT TXR DROPPING SHERO. WHEN ENTERING DIRECT TRISS BOTH PLTS CONFIRMED CORRECT RTE. UNSURE WHY SHERO DROPPED OUT.
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.