Narrative:

While making visual approach and broadcasting position and intentions on CTAF, DA10 turns base to final runway 1 rutland, vt. While lining up on final, DA10 passes 150- 250 ft below T6 which had not been seen or heard prior to final. Runway 31 favored by low performance aircraft. T6 probably departing left downwind runway 31 with no communication.

Google
 

Original NASA ASRS Text

Title: A DA10 ON APCH TO RWY 1 AT RUT EXPERIENCES AN NMAC 2 MI OUT ON FINAL WITH A T6 ON DOWNWIND AT TFC PATTERN ALT FOR RWY 31.

Narrative: WHILE MAKING VISUAL APCH AND BROADCASTING POS AND INTENTIONS ON CTAF, DA10 TURNS BASE TO FINAL RWY 1 RUTLAND, VT. WHILE LINING UP ON FINAL, DA10 PASSES 150- 250 FT BELOW T6 WHICH HAD NOT BEEN SEEN OR HEARD PRIOR TO FINAL. RWY 31 FAVORED BY LOW PERFORMANCE ACFT. T6 PROBABLY DEPARTING L DOWNWIND RWY 31 WITH NO COM.

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.