My partner and I shot a promo video for Snowmobile Adventures in the San Juan Mountains in Durango, CO. We used the Inspire 1 Pro with the X5 camera. 15mm, 25mm, and 45mm lenses were used and it was all flown dual operator. Even the ground shots were dual operator. Highest elevation we flew from was 12,000ft. We used the DJI "High Altitude" props for flying at elevations over 8,000ft and we also used the DJI Battery Warmer quite often. Flew like a champ with no issues the whole time!