TCASII pointed out traffic.

Attributes
ACN	256296
Time
Date	199311
Day	Tue
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : bos
State Reference	MA
Altitude	msl bound lower : 2000 msl bound upper : 2000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tracon : bos
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 3 Turbojet Eng
Flight Phase	climbout : intermediate altitude
Route In Use	enroute : on vectors
Flight Plan	IFR
Aircraft 2
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Flight Phase	descent : approach
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : flight engineer pilot : atp
Experience	flight time last 90 days : 200 flight time total : 12500 flight time type : 7000
ASRS Report	256296
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
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 : 12000 vertical : 700
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

On departure from bos TCASII alerted to traffic 12 O'clock, 1-2 mi, same altitude. While scanning for this traffic, heading 090 degrees assigned, TCASII alerted to other traffic, same altitude, 12 O'clock, 4 mi. Traffic was on localizer to runway 27 bos. Climb was increased and ATC notified. Closest proximity was 2-3 mi horizontal and 700 ft vertical. ATC did not notice conflict until advised by crew.

Original NASA ASRS Text

Title: TCASII POINTED OUT TFC.

Narrative: ON DEP FROM BOS TCASII ALERTED TO TFC 12 O'CLOCK, 1-2 MI, SAME ALT. WHILE SCANNING FOR THIS TFC, HDG 090 DEGS ASSIGNED, TCASII ALERTED TO OTHER TFC, SAME ALT, 12 O'CLOCK, 4 MI. TFC WAS ON LOC TO RWY 27 BOS. CLB WAS INCREASED AND ATC NOTIFIED. CLOSEST PROX WAS 2-3 MI HORIZ AND 700 FT VERT. ATC DID NOT NOTICE CONFLICT UNTIL ADVISED BY CREW.

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.