Narrative:

This problem arose as we approached sacramento executive airport on a visual approach, causing 2 significant events. Both were primarily caused by late handoffs from approach control to the tower, plus inadequate attention paid by tower operators to incoming traffic on the radar screen -- tagged for sac. First event: sacramento approach handed us off to tower on approximately a 3 mi final. The tower had cessna traffic (slow) on final -- we were initially cleared to land, but I prepared for a go around as it was clearly necessary. Tower then called for a go around to left traffic, and we complied. Second event and near miss: on base leg to runway 20, we were cleared to land. Moments after that we spotted another lear 35 on final on a collision course. I turned right to avoid -- missing the other lear by about 300 ft horizontally, 0 ft vertically. Had we not seen this other aircraft, a collision would have been likely in about 10-15 seconds. Shortly after we saw this aircraft on final, the tower established communications with them and told them to go around and turn right. But that was after the probable collision point. My copilot and I went up to the tower cabin attendant to explain how serious this was and to ascertain a cause and a way to avoid this in the future. The tower manager said that both our lear and the next one were handed off late from approach control, and particularly in the case of the second lear, radio communication was not established in time to separate traffic. But, obviously, the tower didn't even know that lear was there until it called the tower. The tower did not inform us of this traffic, and indeed, had cleared us to land. Lack of coordination between approach control and the tower nearly caused a collision. Plus, inattention by the tower crew to their radar screens. The tower is now privately operated. There seems to be a turf battle between the FAA approach control facility and this non- FAA tower, contributing to dangerous ATC practices. I believe a tragic accident is inevitable at sacramento executive. I have recommended to our company that we no longer fly into this airport. As PIC, I know I will not.

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Original NASA ASRS Text

Title: RPTR ALLEGES LATE HDOFS CAUSED EVENTS REGARDING SEQUENCING SPACING BTWN RPTR'S LR35 AND A SLOW CESSNA REQUIRING THE LR35 TO GAR WHICH WAS SUBSEQUENTLY FOLLOWED BY AN NMAC WITH ANOTHER LR35. RPTR ALLEGES THE LR35 WAS NOT IN COM WITH OR HAD BEEN HANDED OFF TO THE TWR. EVASIVE ACTION WAS REQUIRED TO AVOID THE LR35.

Narrative: THIS PROB AROSE AS WE APCHED SACRAMENTO EXECUTIVE ARPT ON A VISUAL APCH, CAUSING 2 SIGNIFICANT EVENTS. BOTH WERE PRIMARILY CAUSED BY LATE HDOFS FROM APCH CTL TO THE TWR, PLUS INADEQUATE ATTN PAID BY TWR OPERATORS TO INCOMING TFC ON THE RADAR SCREEN -- TAGGED FOR SAC. FIRST EVENT: SACRAMENTO APCH HANDED US OFF TO TWR ON APPROX A 3 MI FINAL. THE TWR HAD CESSNA TFC (SLOW) ON FINAL -- WE WERE INITIALLY CLRED TO LAND, BUT I PREPARED FOR A GAR AS IT WAS CLRLY NECESSARY. TWR THEN CALLED FOR A GAR TO L TFC, AND WE COMPLIED. SECOND EVENT AND NEAR MISS: ON BASE LEG TO RWY 20, WE WERE CLRED TO LAND. MOMENTS AFTER THAT WE SPOTTED ANOTHER LEAR 35 ON FINAL ON A COLLISION COURSE. I TURNED R TO AVOID -- MISSING THE OTHER LEAR BY ABOUT 300 FT HORIZLY, 0 FT VERTLY. HAD WE NOT SEEN THIS OTHER ACFT, A COLLISION WOULD HAVE BEEN LIKELY IN ABOUT 10-15 SECONDS. SHORTLY AFTER WE SAW THIS ACFT ON FINAL, THE TWR ESTABLISHED COMS WITH THEM AND TOLD THEM TO GO AROUND AND TURN R. BUT THAT WAS AFTER THE PROBABLE COLLISION POINT. MY COPLT AND I WENT UP TO THE TWR CAB TO EXPLAIN HOW SERIOUS THIS WAS AND TO ASCERTAIN A CAUSE AND A WAY TO AVOID THIS IN THE FUTURE. THE TWR MGR SAID THAT BOTH OUR LEAR AND THE NEXT ONE WERE HANDED OFF LATE FROM APCH CTL, AND PARTICULARLY IN THE CASE OF THE SECOND LEAR, RADIO COM WAS NOT ESTABLISHED IN TIME TO SEPARATE TFC. BUT, OBVIOUSLY, THE TWR DIDN'T EVEN KNOW THAT LEAR WAS THERE UNTIL IT CALLED THE TWR. THE TWR DID NOT INFORM US OF THIS TFC, AND INDEED, HAD CLRED US TO LAND. LACK OF COORD BTWN APCH CTL AND THE TWR NEARLY CAUSED A COLLISION. PLUS, INATTENTION BY THE TWR CREW TO THEIR RADAR SCREENS. THE TWR IS NOW PRIVATELY OPERATED. THERE SEEMS TO BE A TURF BATTLE BTWN THE FAA APCH CTL FACILITY AND THIS NON- FAA TWR, CONTRIBUTING TO DANGEROUS ATC PRACTICES. I BELIEVE A TRAGIC ACCIDENT IS INEVITABLE AT SACRAMENTO EXECUTIVE. I HAVE RECOMMENDED TO OUR COMPANY THAT WE NO LONGER FLY INTO THIS ARPT. AS PIC, I KNOW I WILL NOT.

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.