Air carrier X TCASII RA with VFR small aircraft in TRSA. Evasive action taken. See and avoid concept...

Attributes
ACN	246338
Time
Date	199307
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : ags
State Reference	GA
Altitude	msl bound lower : 3000 msl bound upper : 3000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : ags
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Navigation In Use	Other
Flight Phase	descent : approach
Flight Plan	IFR
Aircraft 2
Operator	general aviation : personal
Make Model Name	Small Aircraft, Low Wing, 1 Eng, Fixed Gear
Flight Phase	climbout : intermediate altitude
Flight Plan	VFR
Person 1
Affiliation	government : faa
Function	controller : approach
Qualification	controller : radar
Experience	controller non radar : 3 controller radar : 3
ASRS Report	246338
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	conflict : airborne less severe
Independent Detector	aircraft equipment other aircraft equipment : unspecified
Resolutory Action	flight crew : took evasive action
Consequence	Other
Miss Distance	horizontal : 3000 vertical : 1000
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	other

Narrative:

TCASII RA involving air carrier X and VFR small aircraft at 1300 with intentions unknown. Small aircraft reversed course and converged with air carrier X at 3000. Small aircraft indicated 2000 climbing rapidly. Air carrier X climbed to 3500 until traffic no factor. The problem is an uncontrolled airport with significant VFR traffic near final approach course for ags. I saw the conflict but air carrier X took action before I could re-issue the traffic (had already been called once, 1300 indicated, and air carrier X replied he saw traffic on TCASII). TCASII assisted the IFR traffic in missing a VFR, but this situation will happen again.

Original NASA ASRS Text

Title: ACR X TCASII RA WITH VFR SMA IN TRSA. EVASIVE ACTION TAKEN. SEE AND AVOID CONCEPT.

Narrative: TCASII RA INVOLVING ACR X AND VFR SMA AT 1300 WITH INTENTIONS UNKNOWN. SMA REVERSED COURSE AND CONVERGED WITH ACR X AT 3000. SMA INDICATED 2000 CLBING RAPIDLY. ACR X CLBED TO 3500 UNTIL TFC NO FACTOR. THE PROB IS AN UNCTLED ARPT WITH SIGNIFICANT VFR TFC NEAR FINAL APCH COURSE FOR AGS. I SAW THE CONFLICT BUT ACR X TOOK ACTION BEFORE I COULD RE-ISSUE THE TFC (HAD ALREADY BEEN CALLED ONCE, 1300 INDICATED, AND ACR X REPLIED HE SAW TFC ON TCASII). TCASII ASSISTED THE IFR TFC IN MISSING A VFR, BUT THIS SIT WILL HAPPEN AGAIN.

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.