Narrative:

I departed VFR from sgr and proceeded wbound under class B airspace. After clearing class B airspace; I turned northwest and began to climb. I was in the act of activating a VFR flight plan when the traffic alert system called 'traffic; traffic' and then immediately called 'traffic; traffic' again. I abruptly leveled the aircraft. To my left; I observed what appeared to be an EJ145 low and within 1/2 mi. Additionally; there was a twin turboprop (I think) north of the first aircraft. It was higher than my altitude and also 1/2 mi or less. I passed in front of both aircraft and though it would have been close; no collision would have occurred with either. I was not in communication with houston approach because typically they will not climb VFR aircraft until well north under class B airspace. However; there are numerous IFR arrival/departure rtes on the west side of houston class B airspace. There has to be some compromise that can be reached to allow fast climbing VFR traffic to transit the IFR rtes while receiving flight following.

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Original NASA ASRS Text

Title: VFR PC12 DEP BELOW HOU CLASS B AIRSPACE; NOT IN COM WITH ATC; EXPERIENCED CONFLICT WITH 2 ACR ACFT.

Narrative: I DEPARTED VFR FROM SGR AND PROCEEDED WBOUND UNDER CLASS B AIRSPACE. AFTER CLRING CLASS B AIRSPACE; I TURNED NW AND BEGAN TO CLB. I WAS IN THE ACT OF ACTIVATING A VFR FLT PLAN WHEN THE TFC ALERT SYS CALLED 'TFC; TFC' AND THEN IMMEDIATELY CALLED 'TFC; TFC' AGAIN. I ABRUPTLY LEVELED THE ACFT. TO MY L; I OBSERVED WHAT APPEARED TO BE AN EJ145 LOW AND WITHIN 1/2 MI. ADDITIONALLY; THERE WAS A TWIN TURBOPROP (I THINK) N OF THE FIRST ACFT. IT WAS HIGHER THAN MY ALT AND ALSO 1/2 MI OR LESS. I PASSED IN FRONT OF BOTH ACFT AND THOUGH IT WOULD HAVE BEEN CLOSE; NO COLLISION WOULD HAVE OCCURRED WITH EITHER. I WAS NOT IN COM WITH HOUSTON APCH BECAUSE TYPICALLY THEY WILL NOT CLB VFR ACFT UNTIL WELL N UNDER CLASS B AIRSPACE. HOWEVER; THERE ARE NUMEROUS IFR ARR/DEP RTES ON THE W SIDE OF HOUSTON CLASS B AIRSPACE. THERE HAS TO BE SOME COMPROMISE THAT CAN BE REACHED TO ALLOW FAST CLBING VFR TFC TO TRANSIT THE IFR RTES WHILE RECEIVING FLT FOLLOWING.

Data retrieved from NASA's ASRS site as of January 2009 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.