The pilot of a DA40 experienced a near mid-air collision with another aircraft that turned from base...

Attributes
ACN	1101404
Time
Date	201207
Local Time Of Day	1801-2400
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Make Model Name	DA40 Diamond Star
Operating Under FAR Part	Part 91
Flight Phase	Climb
Flight Plan	VFR
Person 1
Function	Pilot Flying Instructor
Qualification	Flight Crew Instrument Flight Crew Multiengine Flight Crew Commercial Flight Crew Flight Instructor
Experience	Flight Crew Last 90 Days 150 Flight Crew Total 375 Flight Crew Type 120
Events
Anomaly	Conflict NMAC
Miss Distance	Horizontal 200 Vertical 100

Narrative:

I was piloting a diamond DA40 in left closed traffic. There was also another DA40 in the left hand pattern with me. [Another aircraft] flew into the [airport traffic area] and made radio calls declaring he was landing [opposite direction on the same runway we were landing]. Both DA40 pilots advised him there were 2 airplanes in left closed traffic for [the runway in use]. He continued downwind for [the opposite direction] runway. In the meantime I was making a touch and go. I proceeded in the up wind and sidestepped left of the runway to avoid the incoming traffic for [the opposite direction] runway. Suddenly he turned from base to final and we [had] a near-miss. Not sure what this guy was thinking; very careless and reckless.

Original NASA ASRS Text

Title: The pilot of a DA40 experienced a near mid-air collision with another aircraft that turned from base to final in front of him; lining up for landing on the opposite direction runway.

Narrative: I was piloting a Diamond DA40 in left closed traffic. There was also another DA40 in the left hand pattern with me. [Another aircraft] flew into the [airport traffic area] and made radio calls declaring he was landing [opposite direction on the same runway we were landing]. Both DA40 pilots advised him there were 2 airplanes in left closed traffic for [the runway in use]. He continued downwind for [the opposite direction] runway. In the meantime I was making a touch and go. I proceeded in the up wind and sidestepped left of the runway to avoid the incoming traffic for [the opposite direction] runway. Suddenly he turned from base to final and we [had] a near-miss. Not sure what this guy was thinking; very careless and reckless.

Data retrieved from NASA's ASRS site as of July 2013 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.