Just a reminder that flying at high elevation can have a HUGE impact on flight times and can result in sudden failure. I flew at 9,600' this past weekend and my loaded IRIS+ (gopro, tarot 2d gimbal, secondary GPS) got to about 5:45 before the battery could not maintain enough thrust to keep it airborne and started dropping quickly. No warning, of course, since plenty of charge remained. Fortunately I was not flying past the cliff edge or the IRIS would have been unrecoverable; as it was, I suffered a hard landing that broke a leg off and took part of the motor housing with it. The more you know!
I normally get about 12:30 flight times from the same craft at 3,500'.