Narrative:

Same company aircraft came within close proximity of my aircraft without any prior formation flight agreement or discussion about it. Other pilots lack of professional judgement and disregard for safety.

Google
 

Original NASA ASRS Text

Title: COMPANY PLT ON AN UNSCHEDULED SIGHT-SEEING FLT FLIES ALONGSIDE OF ANOTHER COMPANY ACFT WITHOUT PRIOR ARRANGEMENT WITH THE RPTING OTHER PLT.

Narrative: SAME COMPANY ACFT CAME WITHIN CLOSE PROX OF MY ACFT WITHOUT ANY PRIOR FORMATION FLT AGREEMENT OR DISCUSSION ABOUT IT. OTHER PLTS LACK OF PROFESSIONAL JUDGEMENT AND DISREGARD FOR SAFETY.

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.