Narrative:

ZLC cleared us for the NDB/DME a approach to sun. When we had the airport in sight, we attempted to contact ZLC. They responded when we were 2 mi on final. At that time they told us to contact the tower. When we contacted the tower they cleared us to land. After landing they told us to call the tower as we had entered the air traffic area without a clearance. After talking with the tower we found out that ZLC had told them we were VFR when we were IFR. We never cancelled IFR until landing. The tower said we were within 1.5 mi of an small aircraft on 1/2 mi base. All we saw was an aircraft clearing the runway when we were on a 2 mi final. The tower never spoke to any aircraft on the radio while we were on it. The tower and center need to work with each other and communicate with each other. The tower indicated to us that ZLC didn't know what they were doing. While on an IFR flight plan and approach it is ATC's responsibility to clear us in all controled airspace, air traffic area's, etc. We were cleared for the approach and 2 mi out the tower cleared us to land. ZLC and sun tower need to work together so a major accident doesn't occur.

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Original NASA ASRS Text

Title: UNAUTH UNCOORD PENETRATION OF AIRSPACE.

Narrative: ZLC CLRED US FOR THE NDB/DME A APCH TO SUN. WHEN WE HAD THE ARPT IN SIGHT, WE ATTEMPTED TO CONTACT ZLC. THEY RESPONDED WHEN WE WERE 2 MI ON FINAL. AT THAT TIME THEY TOLD US TO CONTACT THE TWR. WHEN WE CONTACTED THE TWR THEY CLRED US TO LAND. AFTER LNDG THEY TOLD US TO CALL THE TWR AS WE HAD ENTERED THE ATA WITHOUT A CLRNC. AFTER TALKING WITH THE TWR WE FOUND OUT THAT ZLC HAD TOLD THEM WE WERE VFR WHEN WE WERE IFR. WE NEVER CANCELLED IFR UNTIL LNDG. THE TWR SAID WE WERE WITHIN 1.5 MI OF AN SMA ON 1/2 MI BASE. ALL WE SAW WAS AN ACFT CLRING THE RWY WHEN WE WERE ON A 2 MI FINAL. THE TWR NEVER SPOKE TO ANY ACFT ON THE RADIO WHILE WE WERE ON IT. THE TWR AND CTR NEED TO WORK WITH EACH OTHER AND COMMUNICATE WITH EACH OTHER. THE TWR INDICATED TO US THAT ZLC DIDN'T KNOW WHAT THEY WERE DOING. WHILE ON AN IFR FLT PLAN AND APCH IT IS ATC'S RESPONSIBILITY TO CLR US IN ALL CTLED AIRSPACE, ATA'S, ETC. WE WERE CLRED FOR THE APCH AND 2 MI OUT THE TWR CLRED US TO LAND. ZLC AND SUN TWR NEED TO WORK TOGETHER SO A MAJOR ACCIDENT DOESN'T OCCUR.

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.