A PA28 pilot found himself in very close proximity to another aircraft entering base at crg.

Attributes
ACN	520545
Time
Date	200108
Day	Tue
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : crg.airport
State Reference	FL
Altitude	agl single value : 1000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : crg.tower
Operator	general aviation : personal
Make Model Name	PA-28 Cherokee/Archer II/Dakota/Pillan/Warrior
Operating Under FAR Part	Part 91
Flight Phase	descent : approach
Route In Use	approach : traffic pattern arrival : vfr
Aircraft 2
Controlling Facilities	tower : crg.tower
Operator	general aviation : personal
Make Model Name	Cessna Aircraft Undifferentiated or Other Model
Operating Under FAR Part	Part 91
Route In Use	approach : traffic pattern
Person 1
Affiliation	other
Function	oversight : pic
Qualification	pilot : instrument pilot : commercial pilot : cfi pilot : multi engine
Experience	flight time last 90 days : 40 flight time total : 3000
ASRS Report	520545
Person 2
Affiliation	other
Qualification	pilot : private
Events
Anomaly	conflict : nmac other anomaly other
Independent Detector	other controllera
Resolutory Action	controller : issued advisory flight crew : took evasive action
Miss Distance	horizontal : 0 vertical : 150
Supplementary
Problem Areas	ATC Human Performance Airport Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance

Narrative:

Contacted tower 10.5 mi southeast. Was informed to report 2 mi, right base, runway 23, and to be looking for a cessna. We were in warrior PA28-161. As we arrived at 2 mi right base, the cessna reported 2 mi right base. Since we were at a 2 mi right base and never observed the other aircraft, we reported 2 mi right base. The tower informed us that we were directly above the cessna. We immediately turned north and stopped our descent, avoiding the cessna by approximately 150 ft vertically. At no time was the information from the tower concerning our imminent or unsafe condition.

Original NASA ASRS Text

Title: A PA28 PLT FOUND HIMSELF IN VERY CLOSE PROX TO ANOTHER ACFT ENTERING BASE AT CRG.

Narrative: CONTACTED TWR 10.5 MI SE. WAS INFORMED TO RPT 2 MI, R BASE, RWY 23, AND TO BE LOOKING FOR A CESSNA. WE WERE IN WARRIOR PA28-161. AS WE ARRIVED AT 2 MI R BASE, THE CESSNA RPTED 2 MI R BASE. SINCE WE WERE AT A 2 MI R BASE AND NEVER OBSERVED THE OTHER ACFT, WE RPTED 2 MI R BASE. THE TWR INFORMED US THAT WE WERE DIRECTLY ABOVE THE CESSNA. WE IMMEDIATELY TURNED N AND STOPPED OUR DSCNT, AVOIDING THE CESSNA BY APPROX 150 FT VERTLY. AT NO TIME WAS THE INFO FROM THE TWR CONCERNING OUR IMMINENT OR UNSAFE CONDITION.

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.