A source with direct knowledge of the incident's details told The War Zone they believed the drone was highly unlikely to be battery-powered based on the altitude, distance, and speed at which it flew.
The drone's initial observed location was also largely confirmed by a post from another individual on JetCareers.com, which describes itself as “an online community of airline, corporate and professional pilots including air traffic controllers, dispatchers and mechanics.” In a
forum post dated February 10, 2021, a moderator of that forum with the username MikeD wrote the following account of the incident:
Last night, there was one just east of KTUS at about 1200’ AGL cruising eastbound. It passed about 30’ away co-altitude with a police helicopter flying the opposite direction. Helo made a 180 turn to give chase. The quad copter was described as approximately 5 feet long by about 3 feet wide, with a single green flashing LED light. It continued east into KDMAs airspace and began orbiting the base over the parallel taxiway near the fighter jet ramp. TUS and DMA towers were unaware of it, as was U90 [an FAA approach tower] controllers. The operator apparently realized by this time that the drone was being followed, because it then proceeded northwest at high speed and climbing, with the helo and another LE helo in trail. The copter began to climb and flew out of the TUS area about 50 miles to the northwest of town into the middle of nowhere desert out by the mine west of KAVQ. It was last seen climbing through 14,000’ and into the undercast, where it disappeared. The helos remained in VMC [Visual Meteorological Conditions] obviously, and one hung around for about an hour, to see if it would reappear descending, or if there was any vehicles driving through the middle of nowhere as either the operator or someone to potentially recover it. Neither appeared. U90 informed their FAA chain of command about it, but that’s as far as I’ve heard so far.