Cleared to descend, an air carrier follows a TCASII RA to avoid traffic approaching from opposite di...

Attributes
ACN	472080
Time
Date	200005
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : zlc.artcc
State Reference	UT
Altitude	msl bound lower : 25000 msl bound upper : 27000
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zlc.artcc
Operator	common carrier : air carrier
Make Model Name	MD-80 Super 80
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	cruise : enroute altitude change
Route In Use	enroute airway : j198.airway
Flight Plan	IFR
Aircraft 2
Controlling Facilities	artcc : zlc.artcc
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Flight Phase	cruise : level
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument pilot : multi engine
ASRS Report	472080
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	conflict : airborne less severe non adherence : required legal separation
Independent Detector	aircraft equipment : tcas other flight crewa
Resolutory Action	flight crew : returned to original clearance flight crew : took evasive action
Consequence	faa : reviewed incident with flight crew other
Supplementary
Problem Areas	ATC Human Performance
Primary Problem	ATC Human Performance

Narrative:

Requested and received descent from FL270 to FL250. Shortly after leaving FL270 received TCASII RA for opposite direction traffic approaching at FL260. Responded to RA and queried ATC who gave additional turnout. Aircraft passed well off to our right. Returned to course and resumed descent to FL250 without further incident.

Original NASA ASRS Text

Title: CLRED TO DSND, AN ACR FOLLOWS A TCASII RA TO AVOID TFC APCHING FROM OPPOSITE DIRECTION.

Narrative: REQUESTED AND RECEIVED DSCNT FROM FL270 TO FL250. SHORTLY AFTER LEAVING FL270 RECEIVED TCASII RA FOR OPPOSITE DIRECTION TFC APCHING AT FL260. RESPONDED TO RA AND QUERIED ATC WHO GAVE ADDITIONAL TURNOUT. ACFT PASSED WELL OFF TO OUR R. RETURNED TO COURSE AND RESUMED DSCNT TO FL250 WITHOUT FURTHER INCIDENT.

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.

Cleared to descend, an air carrier follows a TCASII RA to avoid traffic approaching from opposite direction.