Aerostat to be tested as rural broadband internet source

The Wabash Heartland Innovation Network (WHIN), a 10-county alliance, is spearheading an effort to add enhanced broadband access to its initiatives aimed at developing the region “into a global epicenter of digital agricultural and next-generation manufacturing.”

The plan is to fly a tethered aerostat—a blimp-like aircraft—from a base in White County that will be managed by RTO Wireless, a company founded in 2015 “to sustainably deploy and operate innovative wireless networks in underserved markets.”

In addition to using traditional fixed structures such as towers for deploying broadband, RTO Wireless, of Framingham, Massachusetts, operates mobile and fixed “aerosites” that, from 1,500 to 4,000 feet above ground level, can reach beyond land-based line-of-sight signals.

“Aerostats have been used to maintain communications after natural disasters, and by the military, but this will be the first commercial broadband service provided by an aerostat in the country. Right here in Indiana,” nonprofit WHIN said in a news release that announced the start of testing last July.

AOPA supports the development of digital technology and expanded broadband access consistent with flight safety, so we were curious to learn more about the plan.

According to RTO Wireless CEO Steve Hubbard, who joined WHIN representatives; AOPA Great Lakes Regional Manager Kyle Lewis; and Jim McClay, AOPA director of airspace, air traffic, and security in a January 25 conference call, plans include grounding the 85-foot-long, 800-cubic-meter aerostat when instrument meteorological conditions prevail at the site located several miles west of White County Airport in Monticello.

For IFR purposes, the controlling agency for airspace in the vicinity of the nontowered airport, which has AWOS-3P weather reporting, is Grissom Air Reserve Base, 28 nautical miles to the east. The Chicago Air Route Traffic Control Center provides radar approach/departure control during off-hours.

Initial aerostat systems tests were scheduled for later in February.

In addition to determining a reliable method of ascertaining weather at the aerosite, several safety considerations for aviation were discussed. Aerial applicators treat crops in the vicinity, and local obstructions include wind turbines that rise several hundred feet above the ground in the area. Hubbard said discussions with the agricultural-industry pilots have produced a recommendation that the aerostat cable be flagged for improved visibility. AOPA also recommends that the cable be lighted if the aerostat is to fly at night.

The aerostat, which takes about 45 minutes to be extended to its flight altitude, can fly in winds up to

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