Air carrier X TCASII RA with C172 executed a go around. See and avoid concept.

Attributes
ACN	271959
Time
Date	199405
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : pie
State Reference	FL
Altitude	msl bound lower : 1600 msl bound upper : 1600
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : pie
Operator	common carrier : air carrier
Make Model Name	B737 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	descent : approach
Flight Plan	IFR
Aircraft 2
Operator	general aviation : personal
Make Model Name	Skyhawk 172/Cutlass 172
Operating Under FAR Part	Part 91
Flight Phase	other
Flight Plan	VFR
Person 1
Affiliation	government : faa
Function	controller : local
Qualification	controller : non radar
ASRS Report	271959
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	other
Consequence	Other
Miss Distance	horizontal : 3000
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	other

Narrative:

An air carrier X came very close to a C172 due to lack of positive control. Had the aircraft been sequenced and separated. This would not have occurred. Airspace is very congested, yet no control.

Original NASA ASRS Text

Title: ACR X TCASII RA WITH C172 EXECUTED A GAR. SEE AND AVOID CONCEPT.

Narrative: AN AIR CARRIER X CAME VERY CLOSE TO A C172 DUE TO LACK OF POSITIVE CTL. HAD THE ACFT BEEN SEQUENCED AND SEPARATED. THIS WOULD NOT HAVE OCCURRED. AIRSPACE IS VERY CONGESTED, YET NO CTL.

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.