A light twin pilot reported near midair collision with another small aircraft in the vicinity of ack...

Attributes
ACN	893642
Time
Date	201006
Local Time Of Day	1201-1800
Place
Locale Reference	ACK.Airport
State Reference	MA
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	Small Aircraft Low Wing 2 Eng Retractable Gear
Operating Under FAR Part	Part 135
Flight Phase	Cruise
Route In Use	Direct
Flight Plan	VFR
Aircraft 2
Make Model Name	Small Aircraft
Person 1
Function	Pilot Flying Single Pilot
Qualification	Flight Crew Air Transport Pilot (ATP) Flight Crew Flight Instructor
Experience	Flight Crew Last 90 Days 100 Flight Crew Total 2400 Flight Crew Type 1200
Events
Anomaly	Conflict NMAC
Miss Distance	Horizontal 0 Vertical 200

Narrative:

[I was] 20 miles northwest of ack. Traffic advisory issued by cape approach '12 O'clock; 3 miles opposite direction.' I reported traffic not in sight. Cape approach replied 'traffic alert: 12 O'clock climbing advise you turn heading 180.' I did not have the traffic in sight; and began a turn to heading 180. In the turn; I noticed the traffic in my 1 O'clock position converging. I began a left turning descent to avoid.

Original NASA ASRS Text

Title: A light twin Pilot reported NMAC with another small aircraft in the vicinity of ACK.

Narrative: [I was] 20 miles northwest of ACK. Traffic advisory issued by Cape Approach '12 O'clock; 3 miles opposite direction.' I reported traffic not in sight. Cape Approach replied 'Traffic Alert: 12 O'clock climbing advise you turn heading 180.' I did not have the traffic in sight; and began a turn to heading 180. In the turn; I noticed the traffic in my 1 O'clock position converging. I began a left turning descent to avoid.

Data retrieved from NASA's ASRS site as of April 2012 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.