Air carrier PIC complains of ATC handling in TCA with other traffic not being pointed out and assigned to same runway as reporter's aircraft. Potential conflict. Reporter wants to make a case for TCA's, terminal collision avoidance system.

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Attributes
ACN	144116
Time
Date	199004
Day	Fri
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : phx
State Reference	AZ
Altitude	msl bound lower : 4000 msl bound upper : 4000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tracon : phx
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	descent : approach other
Route In Use	approach : visual arrival other enroute : on vectors
Flight Plan	IFR
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	descent : approach
Route In Use	approach : visual approach : straight in arrival other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : flight engineer pilot : commercial pilot : cfi pilot : atp pilot : instrument
Experience	flight time last 90 days : 200 flight time total : 25500 flight time type : 1500
ASRS Report	144116
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	conflict : airborne less severe non adherence : far non adherence : required legal separation other anomaly other
Independent Detector	other controllera
Resolutory Action	controller : issued new clearance other
Consequence	faa : reviewed incident with flight crew
Miss Distance	horizontal : 18000 vertical : 0
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	other
Situations
ATC Facility	procedure or policy : unspecified

Narrative:

While on an extended left downwind we were cleared for a visibility approach to follow company on left base. Later, while still following company, we were turning base to final and controller asked why we were cutting out our traffic on final to our 2 O'clock position. That aircraft, as it turned out was from another airline and we were never advised of that person's existence. The other airline was changed to 26R and we continued on to 26L, still following company. After I phoned approach control I was assured that the controller had made a mistake. Point is, he only had 5 planes under his control, phx is a TCA now, and we were allowed to get within 3 mi of conflicting traffic. I've said it for yrs and I'll say it again, we need collision avoidance in the cockpit.

Original NASA ASRS Text

Title: ACR PIC COMPLAINS OF ATC HANDLING IN TCA WITH OTHER TRAFFIC NOT BEING POINTED OUT AND ASSIGNED TO SAME RWY AS REPORTER'S ACFT. POTENTIAL CONFLICT. REPORTER WANTS TO MAKE A CASE FOR TCA'S, TERMINAL COLLISION AVOIDANCE SYSTEM.

Narrative: WHILE ON AN EXTENDED LEFT DOWNWIND WE WERE CLRED FOR A VIS APCH TO FOLLOW COMPANY ON LEFT BASE. LATER, WHILE STILL FOLLOWING COMPANY, WE WERE TURNING BASE TO FINAL AND CTLR ASKED WHY WE WERE CUTTING OUT OUR TFC ON FINAL TO OUR 2 O'CLOCK POS. THAT ACFT, AS IT TURNED OUT WAS FROM ANOTHER AIRLINE AND WE WERE NEVER ADVISED OF THAT PERSON'S EXISTENCE. THE OTHER AIRLINE WAS CHANGED TO 26R AND WE CONTINUED ON TO 26L, STILL FOLLOWING COMPANY. AFTER I PHONED APCH CTL I WAS ASSURED THAT THE CTLR HAD MADE A MISTAKE. POINT IS, HE ONLY HAD 5 PLANES UNDER HIS CTL, PHX IS A TCA NOW, AND WE WERE ALLOWED TO GET WITHIN 3 MI OF CONFLICTING TFC. I'VE SAID IT FOR YRS AND I'LL SAY IT AGAIN, WE NEED COLLISION AVOIDANCE IN THE COCKPIT.

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.