Narrative:

I was first officer on a flight den-lax. Taxi to runway 17R uneventful. Tower cleared us for takeoff on runway 17R and assigned a 155 degree heading. After takeoff at 750 ft AGL in turn to 155 degrees, I saw a B737 at 1-1:30 O'clock position, slightly low, passing head- on at approximately 2500 ft lateral separation. The other aircraft appeared to be on final for runway 35L. At about the same time I saw the other aircraft. We got an RA 'climb, climb' on the TCASII. Coincident with this we got a frequency change from tower to departure control. I asked 'what was that?' and got a phone number to call when we landed in lax. We talked to den tower supervisor when we got to lax and he said the controller thought he had adequate spacing between us and arrival. A runway change was in progress and we were apparently last south departure. Supplemental information from acn 355450: turned to assigned heading of 155 degrees. During turn at approximately 750 ft AGL, first officer sighted a B737, opposite direction, at our 1:30 O'clock position, approximately 1/2 mi horizontally and level to slightly lower than us. This aircraft was apparently on final approach for runway 35L at den. Simultaneously with sighting we received 'climb, climb' RA on TCASII. Our existing flight path kept us diverging from traffic and in compliance with RA.

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Original NASA ASRS Text

Title: RWY CHANGE IN PROGRESS WITH LAST ACFT DEPARTING ON RWY 17R ALONG WITH THE FIRST ARR ON FINAL TO THE OPPOSITE END OF THE RWY. DEP ACFT GETS A TCASII RA TO CONTINUE CLB. ACFT WERE ON DIVERGING COURSES AFTER TKOF.

Narrative: I WAS FO ON A FLT DEN-LAX. TAXI TO RWY 17R UNEVENTFUL. TWR CLRED US FOR TKOF ON RWY 17R AND ASSIGNED A 155 DEG HDG. AFTER TKOF AT 750 FT AGL IN TURN TO 155 DEGS, I SAW A B737 AT 1-1:30 O'CLOCK POS, SLIGHTLY LOW, PASSING HEAD- ON AT APPROX 2500 FT LATERAL SEPARATION. THE OTHER ACFT APPEARED TO BE ON FINAL FOR RWY 35L. AT ABOUT THE SAME TIME I SAW THE OTHER ACFT. WE GOT AN RA 'CLB, CLB' ON THE TCASII. COINCIDENT WITH THIS WE GOT A FREQ CHANGE FROM TWR TO DEP CTL. I ASKED 'WHAT WAS THAT?' AND GOT A PHONE NUMBER TO CALL WHEN WE LANDED IN LAX. WE TALKED TO DEN TWR SUPVR WHEN WE GOT TO LAX AND HE SAID THE CTLR THOUGHT HE HAD ADEQUATE SPACING BTWN US AND ARR. A RWY CHANGE WAS IN PROGRESS AND WE WERE APPARENTLY LAST S DEP. SUPPLEMENTAL INFO FROM ACN 355450: TURNED TO ASSIGNED HDG OF 155 DEGS. DURING TURN AT APPROX 750 FT AGL, FO SIGHTED A B737, OPPOSITE DIRECTION, AT OUR 1:30 O'CLOCK POS, APPROX 1/2 MI HORIZLY AND LEVEL TO SLIGHTLY LOWER THAN US. THIS ACFT WAS APPARENTLY ON FINAL APCH FOR RWY 35L AT DEN. SIMULTANEOUSLY WITH SIGHTING WE RECEIVED 'CLB, CLB' RA ON TCASII. OUR EXISTING FLT PATH KEPT US DIVERGING FROM TFC AND IN COMPLIANCE WITH RA.

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.