Narrative:

Our flight, air carrier X, departed ewr at XX51Z on runway 22R flying the ewr 6 departure. We were climbing at a good rate due to our light weight. We were told to slow to 250 KIAS and climb to 17000 ft. Shortly thereafter we were given a vector of 310 degrees. After a brief period, and while level at 17000 ft, we were cleared direct to lanna and told to accelerate to 310 KTS. As we rolled out on a 240 degree heading and were accelerating, I noticed a target at 9 O'clock and 5 mi, co-altitude, on our TCASII and pointed it out to the first officer. The traffic was closing fairly quickly. We were unable to acquire the traffic visually. At this point, ATC gave us a climb to FL210 and I began to climb the aircraft. The TCASII target was now at about 2 mi showing +100 ft from us and climbing as well. We immediately received a 'descend, descend' RA with a 1500 FPM red descend arc. At 17300 ft I kicked off the autoplt and began a descent at about 1800 FPM. When we reached 16700 ft, the TCASII commanded 'monitor vertical speed' and then 'clear of conflict.' I climbed the aircraft to 17000 ft and we advised ATC of our RA maneuver. He stated: 'I didn't think it was going to be a problem, I should have called it out. It was a hawker 700 VFR.' at about the time I began the RA maneuver ATC told us to maintain 17000 ft.'

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Original NASA ASRS Text

Title: FLC OF AN MD88 STOPPED THEIR CLB AND DSNDED IN RESPONSE TO A TCASII RA CAUSED BY A BRITISH HAWKER 700. ARTCC CTLR COMMENTED THAT HE HAD NOT THOUGHT THE OTHER ACFT WOULD BE A CONFLICT.

Narrative: OUR FLT, ACR X, DEPARTED EWR AT XX51Z ON RWY 22R FLYING THE EWR 6 DEP. WE WERE CLBING AT A GOOD RATE DUE TO OUR LIGHT WT. WE WERE TOLD TO SLOW TO 250 KIAS AND CLB TO 17000 FT. SHORTLY THEREAFTER WE WERE GIVEN A VECTOR OF 310 DEGS. AFTER A BRIEF PERIOD, AND WHILE LEVEL AT 17000 FT, WE WERE CLRED DIRECT TO LANNA AND TOLD TO ACCELERATE TO 310 KTS. AS WE ROLLED OUT ON A 240 DEG HDG AND WERE ACCELERATING, I NOTICED A TARGET AT 9 O'CLOCK AND 5 MI, CO-ALT, ON OUR TCASII AND POINTED IT OUT TO THE FO. THE TFC WAS CLOSING FAIRLY QUICKLY. WE WERE UNABLE TO ACQUIRE THE TFC VISUALLY. AT THIS POINT, ATC GAVE US A CLB TO FL210 AND I BEGAN TO CLB THE ACFT. THE TCASII TARGET WAS NOW AT ABOUT 2 MI SHOWING +100 FT FROM US AND CLBING AS WELL. WE IMMEDIATELY RECEIVED A 'DSND, DSND' RA WITH A 1500 FPM RED DSND ARC. AT 17300 FT I KICKED OFF THE AUTOPLT AND BEGAN A DSCNT AT ABOUT 1800 FPM. WHEN WE REACHED 16700 FT, THE TCASII COMMANDED 'MONITOR VERT SPD' AND THEN 'CLR OF CONFLICT.' I CLBED THE ACFT TO 17000 FT AND WE ADVISED ATC OF OUR RA MANEUVER. HE STATED: 'I DIDN'T THINK IT WAS GOING TO BE A PROB, I SHOULD HAVE CALLED IT OUT. IT WAS A HAWKER 700 VFR.' AT ABOUT THE TIME I BEGAN THE RA MANEUVER ATC TOLD US TO MAINTAIN 17000 FT.'

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.