Medium large transport on vectors has TCASII RA to avoid aircraft on descent.

Attributes
ACN	279351
Time
Date	199408
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : slc
State Reference	UT
Altitude	msl bound lower : 10000 msl bound upper : 10500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : slc
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	descent : approach descent other
Route In Use	enroute : on vectors
Flight Plan	IFR
Aircraft 2
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Operating Under FAR Part	Part 135
Flight Phase	descent : approach descent other
Flight Plan	None
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : instrument pilot : commercial
Experience	flight time last 90 days : 200 flight time total : 20000 flight time type : 1200
ASRS Report	279351
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument pilot : atp
Events
Anomaly	altitude deviation : excursion from assigned altitude conflict : airborne less severe non adherence : clearance
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	flight crew : returned to intended course or assigned course flight crew : took evasive action
Consequence	Other
Miss Distance	horizontal : 10480 vertical : 350
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

On descent into slc a pop-up traffic on the TCASII showed up at plus 1200 inside of 6.5 mi. The resolution called for a climb. The copilot was flying. He did not see the traffic. However I did and took the evasive maneuver to clear the aircraft. We were descending from 10000-9000 ft under vector control from approach control. I climbed to 10500 ft and then continued our descent. The other aircraft was returning from a jump area.

Original NASA ASRS Text

Title: MLG ON VECTORS HAS TCASII RA TO AVOID ACFT ON DSCNT.

Narrative: ON DSCNT INTO SLC A POP-UP TFC ON THE TCASII SHOWED UP AT PLUS 1200 INSIDE OF 6.5 MI. THE RESOLUTION CALLED FOR A CLB. THE COPLT WAS FLYING. HE DID NOT SEE THE TFC. HOWEVER I DID AND TOOK THE EVASIVE MANEUVER TO CLR THE ACFT. WE WERE DSNDING FROM 10000-9000 FT UNDER VECTOR CTL FROM APCH CTL. I CLBED TO 10500 FT AND THEN CONTINUED OUR DSCNT. THE OTHER ACFT WAS RETURNING FROM A JUMP AREA.

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.