|Occurred : 11/9/1999 18:43 (Entered as : 11/9/99 18:43)
Reported: 11/10/1999 20:37
Location: Flagstaff, AZ
|Large Triangle defined by white strobe lights, turning slowly to east.
Large triangular formation of blinking lights, interior dark and no stars visible. Moved slowly south and gently turned east, low engine roar could be heard. Blinking lights ceased as movement towards east began, triangle defined only by three lights at this point. Craft was very large, huge is a better term.