Near midair collision. TCASII. VFR traffic intruded on reporter aircraft with apparent lack of coordination between approach controller and tower. Evasive maneuver required.

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Attributes
ACN	325630
Time
Date	199601
Day	Sun
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : mlb
State Reference	FL
Altitude	msl bound lower : 3200 msl bound upper : 3200
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : cof
Operator	common carrier : air carrier
Make Model Name	DC-9 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	Any Unknown or Unlisted Aircraft Manufacturer
Operating Under FAR Part	Part 91
Flight Phase	descent : approach
Route In Use	approach : visual enroute : on vectors
Flight Plan	VFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 225 flight time total : 7300 flight time type : 2500
ASRS Report	325630
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 200 flight time total : 10000 flight time type : 7000
ASRS Report	325634
Events
Anomaly	conflict : nmac other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	flight crew : took evasive action
Consequence	faa : reviewed incident with flight crew
Miss Distance	horizontal : 0 vertical : 800
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Inter Facility Coordination Failure

Narrative:

While being vectored to a 5 mi final by patrick approach, we were given VFR traffic at 2 O'clock, heading east/northeast. We were turning final for runway 9R and the VFR traffic was at our right, 1000 ft low. At no time did patrick approach inform us the traffic was turning to a final for runway 9L (I don't think they knew). We had been cleared for the visual approach and the cessna traffic passed under us 500-800 ft setting off our TCASII with an RA ('monitor vertical speed'). We leveled off to allow the cessna to pass behind us, we then continued our approach. Although high at this point because of the leveloff, we elected to continue our approach for an uneventful landing. Tower seemed totally unaware of the conflict. Had we not seen the traffic or had TCASII, a much more serious situation may have arisen. Recommendations: better communications between patrick approach and mlb tower/approach.

Original NASA ASRS Text

Title: NMAC. TCASII. VFR TFC INTRUDED ON RPTR ACFT WITH APPARENT LACK OF COORD BTWN APCH CTLR AND TWR. EVASIVE MANEUVER REQUIRED.

Narrative: WHILE BEING VECTORED TO A 5 MI FINAL BY PATRICK APCH, WE WERE GIVEN VFR TFC AT 2 O'CLOCK, HDG E/NE. WE WERE TURNING FINAL FOR RWY 9R AND THE VFR TFC WAS AT OUR R, 1000 FT LOW. AT NO TIME DID PATRICK APCH INFORM US THE TFC WAS TURNING TO A FINAL FOR RWY 9L (I DON'T THINK THEY KNEW). WE HAD BEEN CLRED FOR THE VISUAL APCH AND THE CESSNA TFC PASSED UNDER US 500-800 FT SETTING OFF OUR TCASII WITH AN RA ('MONITOR VERT SPD'). WE LEVELED OFF TO ALLOW THE CESSNA TO PASS BEHIND US, WE THEN CONTINUED OUR APCH. ALTHOUGH HIGH AT THIS POINT BECAUSE OF THE LEVELOFF, WE ELECTED TO CONTINUE OUR APCH FOR AN UNEVENTFUL LNDG. TWR SEEMED TOTALLY UNAWARE OF THE CONFLICT. HAD WE NOT SEEN THE TFC OR HAD TCASII, A MUCH MORE SERIOUS SIT MAY HAVE ARISEN. RECOMMENDATIONS: BETTER COMS BTWN PATRICK APCH AND MLB TWR/APCH.

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.