Narrative:

Light aircraft departed off of runway 18 without making a radio call, after tower was closed. We taxied into position for takeoff on runway 36 (opposite) after making a radio transmission, then we noticed the light sel aircraft upwind about 300-400 ft above and slightly in front of us. GA pilots should pay more attention to proper radio procedures and the aim for uncontrolled airport procedures.

Google
 

Original NASA ASRS Text

Title: AN SMA FAILED TO ANNOUNCE HIS DEP INTENTIONS AND PROCS.

Narrative: LIGHT ACFT DEPARTED OFF OF RWY 18 WITHOUT MAKING A RADIO CALL, AFTER TWR WAS CLOSED. WE TAXIED INTO POS FOR TKOF ON RWY 36 (OPPOSITE) AFTER MAKING A RADIO XMISSION, THEN WE NOTICED THE LIGHT SEL ACFT UPWIND ABOUT 300-400 FT ABOVE AND SLIGHTLY IN FRONT OF US. GA PLTS SHOULD PAY MORE ATTN TO PROPER RADIO PROCS AND THE AIM FOR UNCTLED ARPT PROCS.

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.