B757 receives TCASII RA while s-turning on final approach course prior to landing stt, vi.

Attributes
ACN	457120
Time
Date	199912
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : stt.airport
State Reference	FO
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	tower : stt.tower tracon : d10.tracon
Operator	common carrier : air carrier
Make Model Name	B757 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	descent : vacating altitude descent : approach other
Route In Use	approach : visual approach : traffic pattern arrival : vfr
Flight Plan	IFR
Aircraft 2
Controlling Facilities	tower : stt.tower
Operator	Other
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Flight Phase	descent : approach
Route In Use	approach : visual arrival : vfr
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	457120
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : commercial pilot : instrument
Events
Anomaly	conflict : airborne less severe other anomaly other
Independent Detector	aircraft equipment : tcas other flight crewa
Supplementary
Problem Areas	Flight Crew Human Performance Airport ATC Human Performance Airspace Structure
Primary Problem	Flight Crew Human Performance

Narrative:

Stt tower, during visual approach, s-turning to lose altitude. During visual approach to stt, after late descent clearance from sju, had brief RA with another aircraft. Maintained altitude and RA ended. No further problem.

Original NASA ASRS Text

Title: B757 RECEIVES TCASII RA WHILE S-TURNING ON FINAL APCH COURSE PRIOR TO LNDG STT, VI.

Narrative: STT TWR, DURING VISUAL APCH, S-TURNING TO LOSE ALT. DURING VISUAL APCH TO STT, AFTER LATE DSCNT CLRNC FROM SJU, HAD BRIEF RA WITH ANOTHER ACFT. MAINTAINED ALT AND RA ENDED. NO FURTHER PROB.

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.