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Confusion about assigned heading after takeoff follows carj encounter with wake turbulence from previous departure of MD11.
| Attributes | |
| ACN | 782999 |
| Time | |
| Date | 200804 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : dfw.airport |
| State Reference | TX |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : d10.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | CRJ 900 (all) Canadair Regional Jet 900 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | climbout : initial |
| Route In Use | departure sid : texoma |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | tracon : d10.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | MD-11 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : initial |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 100 flight time total : 4300 flight time type : 550 |
| ASRS Report | 782999 |
| Events | |
| Anomaly | inflight encounter : wake turbulence non adherence : clearance other spatial deviation |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : exited adverse environment |
| Consequence | faa : reviewed incident with flight crew |
| Supplementary | |
| Problem Areas | ATC Human Performance Environmental Factor Flight Crew Human Performance |
| Primary Problem | Environmental Factor |
Narrative:
On texoma nine departure out of dfw runway 18L. The captain was flying. We were cautioned of the heavy MD11 that just took off ahead of us by the tower controller and we were cleared for takeoff; maintain runway heading. Captain proceeded to takeoff and because we were concerned with severe wake turbulence due to the MD11 that just took off. (And soon after takeoff we did fly through wake turbulence.) captain was busy controling the aircraft and we were switched to a different departure frequency. At that time we were asked if we were assigned a 185 degree heading by the tower and captain responded negative. At this point we were informed by departure controller to call departure and gave out a phone number. As soon as we landed at our destination; captain called the number and discussed the matter and he was told they just wanted to discuss the matter and that no further action will be taken.
Original NASA ASRS Text
Title: CONFUSION ABOUT ASSIGNED HEADING AFTER TKOF FOLLOWS CARJ ENCOUNTER WITH WAKE TURBULENCE FROM PREVIOUS DEP OF MD11.
Narrative: ON TEXOMA NINE DEP OUT OF DFW RWY 18L. THE CAPT WAS FLYING. WE WERE CAUTIONED OF THE HVY MD11 THAT JUST TOOK OFF AHEAD OF US BY THE TWR CTLR AND WE WERE CLRED FOR TKOF; MAINTAIN RWY HDG. CAPT PROCEEDED TO TKOF AND BECAUSE WE WERE CONCERNED WITH SEVERE WAKE TURB DUE TO THE MD11 THAT JUST TOOK OFF. (AND SOON AFTER TKOF WE DID FLY THROUGH WAKE TURB.) CAPT WAS BUSY CTLING THE ACFT AND WE WERE SWITCHED TO A DIFFERENT DEP FREQ. AT THAT TIME WE WERE ASKED IF WE WERE ASSIGNED A 185 DEG HDG BY THE TWR AND CAPT RESPONDED NEGATIVE. AT THIS POINT WE WERE INFORMED BY DEP CTLR TO CALL DEP AND GAVE OUT A PHONE NUMBER. AS SOON AS WE LANDED AT OUR DEST; CAPT CALLED THE NUMBER AND DISCUSSED THE MATTER AND HE WAS TOLD THEY JUST WANTED TO DISCUSS THE MATTER AND THAT NO FURTHER ACTION WILL BE TAKEN.
Data retrieved from NASA's ASRS site as of May 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.