Narrative:

During approach control vectors for an ILS runway 35C approach in slc, the initial downwind vector and descent positioned us (aircraft X) on a 160 degree heading at 9000 ft. The downwind vector extended our position to 35 DME before turning on a base leg. A final turn and clearance for the approach resulted in our position at intercept (localizer) about 33 DME and still at 9000 ft. At 30.7 DME, 9000 ft, localizer captured, and 1500 ft radio altitude, a terrain GPWS warning activated. The first officer was flying, and immediately executed a climb and recovery. Approach control was notified of our action and responded by stating that 9000 ft was their MVA. During our climb at approximately 10200 ft, we received a TCASII TA notification. The climb was discontinued at 10200 ft and an aircraft symbol was observed just outside the 2 mi ring -- 10 mi range setting. The TA aircraft altitude read 11000 ft. Following a reclrnc and landing at slc, I called approach control and spoke to the shift supervisor. Our discussion centered around safe operating altitudes outside the 25 mi MSA ring and conflicting air traffic. I believe that considering the mountainous terrain to the west and east, we needed to be at 10000 ft when rted beyond 25 DME from the airport or should have been vectored inside 25 DME.

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Original NASA ASRS Text

Title: B757 TAKES EVASIVE ACTION IN RESPONSE TO A GPWS WARNING ON APCH TO SLC.

Narrative: DURING APCH CTL VECTORS FOR AN ILS RWY 35C APCH IN SLC, THE INITIAL DOWNWIND VECTOR AND DSCNT POSITIONED US (ACFT X) ON A 160 DEG HDG AT 9000 FT. THE DOWNWIND VECTOR EXTENDED OUR POS TO 35 DME BEFORE TURNING ON A BASE LEG. A FINAL TURN AND CLRNC FOR THE APCH RESULTED IN OUR POS AT INTERCEPT (LOC) ABOUT 33 DME AND STILL AT 9000 FT. AT 30.7 DME, 9000 FT, LOC CAPTURED, AND 1500 FT RADIO ALT, A TERRAIN GPWS WARNING ACTIVATED. THE FO WAS FLYING, AND IMMEDIATELY EXECUTED A CLB AND RECOVERY. APCH CTL WAS NOTIFIED OF OUR ACTION AND RESPONDED BY STATING THAT 9000 FT WAS THEIR MVA. DURING OUR CLB AT APPROX 10200 FT, WE RECEIVED A TCASII TA NOTIFICATION. THE CLB WAS DISCONTINUED AT 10200 FT AND AN ACFT SYMBOL WAS OBSERVED JUST OUTSIDE THE 2 MI RING -- 10 MI RANGE SETTING. THE TA ACFT ALT READ 11000 FT. FOLLOWING A RECLRNC AND LNDG AT SLC, I CALLED APCH CTL AND SPOKE TO THE SHIFT SUPVR. OUR DISCUSSION CTRED AROUND SAFE OPERATING ALTS OUTSIDE THE 25 MI MSA RING AND CONFLICTING AIR TFC. I BELIEVE THAT CONSIDERING THE MOUNTAINOUS TERRAIN TO THE W AND E, WE NEEDED TO BE AT 10000 FT WHEN RTED BEYOND 25 DME FROM THE ARPT OR SHOULD HAVE BEEN VECTORED INSIDE 25 DME.

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.