Narrative:

[I] departed geu off runway 01; contacted luke AFB departure as directed. Crew was given vector 300 degree heading/climb to 5;000 ft. Luf called out traffic 11 o'clock southeast bound. Picked up target aircraft on TCAS and monitored path. Continued climb on 300 degree heading toward target aircraft. Crew commented on altitude and position of target aircraft. [I] did not have visual contact. As a result crew reacted to TCAS RA alert and picked up target aircraft visually. Pilot flying performed an abrupt nose down maneuver per the RA alert and observed target aircraft in abrupt nose up left turn maneuver. Before TCAS alert; TCAS reporting greater than 300 ft at time of maneuver aircraft separation was approximately greater than 100 ft vertical and greater than 1/8 mile horizontal. Crew reported RA rapid descent. Pilot flying leveled when cleared from conflict. Crew reported resuming climb; after incident crew questioned ATC on vector toward target aircraft and through altitude. A new controller reported on frequency and cleared us on course. Contacted luke AFB ATC and spoke with controller. Was given explanation of the VFR traffic and that they were not in contact with that aircraft. In addition it was indicated that the event was being investigated further. Due vigilance is always important by both ATC and pilots. This type of event is dangerous. If in doubt; questions should always be asked.

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Original NASA ASRS Text

Title: A corporate jet which departed GEU Northwest bound took last second evasive action during a near miss with ATC reported but unseen TCAS traffic at about 3;000 FT.

Narrative: [I] departed GEU off Runway 01; contacted Luke AFB Departure as directed. Crew was given vector 300 degree heading/climb to 5;000 FT. LUF called out traffic 11 o'clock southeast bound. Picked up target aircraft on TCAS and monitored path. Continued climb on 300 degree heading toward target aircraft. Crew commented on altitude and position of target aircraft. [I] did not have visual contact. As a result crew reacted to TCAS RA alert and picked up target aircraft visually. Pilot flying performed an abrupt nose down maneuver per the RA alert and observed target aircraft in abrupt nose up left turn maneuver. Before TCAS alert; TCAS reporting greater than 300 FT at time of maneuver aircraft separation was approximately greater than 100 FT vertical and greater than 1/8 mile horizontal. Crew reported RA rapid descent. Pilot flying leveled when cleared from conflict. Crew reported resuming climb; after incident crew questioned ATC on vector toward target aircraft and through altitude. A new Controller reported on frequency and cleared us on course. Contacted Luke AFB ATC and spoke with Controller. Was given explanation of the VFR traffic and that they were not in contact with that aircraft. In addition it was indicated that the event was being investigated further. Due vigilance is always important by both ATC and pilots. This type of event is dangerous. If in doubt; questions should always be asked.

Data retrieved from NASA's ASRS site as of July 2013 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.