Narrative:

After a mechanical delay to check for the source of smoke in cockpit after landing (nothing found), aircraft deicing, change of runway, and no headsets for ground pushback personnel, there was some confusion as to the pushback procedures and the aircraft was pushed back onto an active taxiway without clearance. The basic problem really started when we were instructed that the aircraft would be pushed approximately 10 ft to be deiced. This was coordinated with the ramp tower (131.85). At the last min, we were told that deicing would be done at the gate. When the deicing was completed and confirmed over the radio I received hand signals from the ground indicating that the headsets were not working and that I should release my brakes. As we pushed back I could see no one on the tug or on the ground. This was very disconcerting but we did not seem to be pushing back very far. I did not realize that we would be out of our ramp control and I thought that since I had called ground when we were deicing to ask for runway 4 (left or right) that we were cleared to push and would contact them to taxi. As we stopped our push we were contacted by ground and told 'in the future to contact them prior to pushing onto an active taxiway.' I apologized and we started taxiing to the runway with clearance from ground. This was the first time I realized that the tail had intruded onto the taxiway. We had a minor problem with starting the second engine and as we started toward the runway we were cleared for takeoff. Because of an aircraft on the approach and the admonition that if we could not get off quickly we would be awhile, we completed all checklists but we hurried through them. When it got to takeoff briefing I briefed and flew the climb out to 5000 ft, 090 degree heading, after takeoff etc. Unfortunately, I did not notice the 4 DME note and turned a little early. The controller asked our heading when we turned (090 degrees) and told us about the 4 DME turn for noise abatement. He stated that there was no problem but in the future wait until 4 DME to start the turn.

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Original NASA ASRS Text

Title: FLC OF A B757 RECEIVED PUSHBACK FROM GATE ONTO AN ACTIVE TXWY WITHOUT CLRNC FROM TWR. IN ADDITION, CAPT FAILED TO FOLLOW NOISE ABATEMENT PROCS AFTER TKOF BY TURNING TOO EARLY.

Narrative: AFTER A MECHANICAL DELAY TO CHK FOR THE SOURCE OF SMOKE IN COCKPIT AFTER LNDG (NOTHING FOUND), ACFT DEICING, CHANGE OF RWY, AND NO HEADSETS FOR GND PUSHBACK PERSONNEL, THERE WAS SOME CONFUSION AS TO THE PUSHBACK PROCS AND THE ACFT WAS PUSHED BACK ONTO AN ACTIVE TXWY WITHOUT CLRNC. THE BASIC PROB REALLY STARTED WHEN WE WERE INSTRUCTED THAT THE ACFT WOULD BE PUSHED APPROX 10 FT TO BE DEICED. THIS WAS COORDINATED WITH THE RAMP TWR (131.85). AT THE LAST MIN, WE WERE TOLD THAT DEICING WOULD BE DONE AT THE GATE. WHEN THE DEICING WAS COMPLETED AND CONFIRMED OVER THE RADIO I RECEIVED HAND SIGNALS FROM THE GND INDICATING THAT THE HEADSETS WERE NOT WORKING AND THAT I SHOULD RELEASE MY BRAKES. AS WE PUSHED BACK I COULD SEE NO ONE ON THE TUG OR ON THE GND. THIS WAS VERY DISCONCERTING BUT WE DID NOT SEEM TO BE PUSHING BACK VERY FAR. I DID NOT REALIZE THAT WE WOULD BE OUT OF OUR RAMP CTL AND I THOUGHT THAT SINCE I HAD CALLED GND WHEN WE WERE DEICING TO ASK FOR RWY 4 (L OR R) THAT WE WERE CLRED TO PUSH AND WOULD CONTACT THEM TO TAXI. AS WE STOPPED OUR PUSH WE WERE CONTACTED BY GND AND TOLD 'IN THE FUTURE TO CONTACT THEM PRIOR TO PUSHING ONTO AN ACTIVE TXWY.' I APOLOGIZED AND WE STARTED TAXIING TO THE RWY WITH CLRNC FROM GND. THIS WAS THE FIRST TIME I REALIZED THAT THE TAIL HAD INTRUDED ONTO THE TXWY. WE HAD A MINOR PROB WITH STARTING THE SECOND ENG AND AS WE STARTED TOWARD THE RWY WE WERE CLRED FOR TKOF. BECAUSE OF AN ACFT ON THE APCH AND THE ADMONITION THAT IF WE COULD NOT GET OFF QUICKLY WE WOULD BE AWHILE, WE COMPLETED ALL CHKLISTS BUT WE HURRIED THROUGH THEM. WHEN IT GOT TO TKOF BRIEFING I BRIEFED AND FLEW THE CLBOUT TO 5000 FT, 090 DEG HDG, AFTER TKOF ETC. UNFORTUNATELY, I DID NOT NOTICE THE 4 DME NOTE AND TURNED A LITTLE EARLY. THE CTLR ASKED OUR HEADING WHEN WE TURNED (090 DEGS) AND TOLD US ABOUT THE 4 DME TURN FOR NOISE ABATEMENT. HE STATED THAT THERE WAS NO PROB BUT IN THE FUTURE WAIT UNTIL 4 DME TO START THE TURN.

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.