Narrative:

ATC facility: tul tower. Location: runway 18L tul. Cleared for takeoff on runway 18L, first officer flying. At 600 ft AGL, traffic called at 2 O'clock. At same time both pilots saw the high wing cessna crossing 100 or 200 ft above right to left. We were on runway heading. Continuing that heading or turning left, we would have collided. We increased rate of climb and initiated a right turn until clear of conflict, then went back to runway heading. The TCASII gave us an RA at the same time we initiated our turn. No evasive instructions were given by ATC. The captain commented to local ATC that we would have to report that. The cessna asked if he had done something wrong. No reply. We were both told to contact departure. The departure controller gave us the phone number to call. My understanding is that the captain was told that the tower controller had cleared the cessna for takeoff of runway 18R with a left turn to 090 degrees, then cleared us for takeoff on runway 18L. I think the separate clrncs were issued on different frequencys but our situational awareness might have been decreased by a discussion about a maintenance signoff. This discussion took place while holding short of runway which is when the takeoff clearance was issued.

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Original NASA ASRS Text

Title: FLC OF F100 HAS NMAC WITH CESSNA WHEN 600 FT AIRBORNE ON TKOF. OPERROR.

Narrative: ATC FACILITY: TUL TWR. LOCATION: RWY 18L TUL. CLRED FOR TKOF ON RWY 18L, FO FLYING. AT 600 FT AGL, TFC CALLED AT 2 O'CLOCK. AT SAME TIME BOTH PLTS SAW THE HIGH WING CESSNA XING 100 OR 200 FT ABOVE R TO L. WE WERE ON RWY HDG. CONTINUING THAT HDG OR TURNING L, WE WOULD HAVE COLLIDED. WE INCREASED RATE OF CLB AND INITIATED A R TURN UNTIL CLR OF CONFLICT, THEN WENT BACK TO RWY HDG. THE TCASII GAVE US AN RA AT THE SAME TIME WE INITIATED OUR TURN. NO EVASIVE INSTRUCTIONS WERE GIVEN BY ATC. THE CAPT COMMENTED TO LCL ATC THAT WE WOULD HAVE TO RPT THAT. THE CESSNA ASKED IF HE HAD DONE SOMETHING WRONG. NO REPLY. WE WERE BOTH TOLD TO CONTACT DEP. THE DEP CTLR GAVE US THE PHONE NUMBER TO CALL. MY UNDERSTANDING IS THAT THE CAPT WAS TOLD THAT THE TWR CTLR HAD CLRED THE CESSNA FOR TKOF OF RWY 18R WITH A L TURN TO 090 DEGS, THEN CLRED US FOR TKOF ON RWY 18L. I THINK THE SEPARATE CLRNCS WERE ISSUED ON DIFFERENT FREQS BUT OUR SITUATIONAL AWARENESS MIGHT HAVE BEEN DECREASED BY A DISCUSSION ABOUT A MAINT SIGNOFF. THIS DISCUSSION TOOK PLACE WHILE HOLDING SHORT OF RWY WHICH IS WHEN THE TKOF CLRNC WAS ISSUED.

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.