Mast 1240017 — Zionsville, IN

At 11 m, structure 1240017 is about 17% of the 66 m average across the 52 structures registered in Boone County. It is about 15% of the Indiana average of 74 m across 5,036 registrations. Among the 3,482 registrations nationwide filed under the same structure-type code (MAST), the average overall height is 53 m, so this one is about 21% of that figure.

The supporting structure itself measures 9 m; antennas and other appurtenances on top bring the overall height above ground to 11 m. The site's filed ground elevation is 274 m, which puts the top of the structure 285 m above mean sea level.

The registration places the structure near Zionsville in Boone County, Indiana, at coordinates 40.03453, -86.24881, with the site address filed as "Indianapolis Terry Airport". Boone County has 52 FCC-registered antenna structures, the 25th-largest count among the 92 Indiana counties with registrations, and 34 of them are marked constructed. Indiana as a whole has 5,036 registrations, the 15th-largest total among the 50 states and DC.

The tallest other registered structure within about 40 km is Indianapolis, IN · 1030817, a tower at 319 m (constructed).

Constructed means the owner has notified the FCC that construction is complete, so the registry treats the structure as standing. The FCC issued registration 1240017 on Aug 22, 2003. Nationally, 141,898 of the 197,833 registrations (71.7%) carry the constructed status, including 3,789 in Indiana.

The FCC record lists Hamilton County Board of Aviation Commissioners of Zionsville, IN as the registered owner, under FCC Registration Number 0009480617. Across the registry it holds 7 structure registrations, including 7 in Indiana. Its most common filed structure-type code is TOWER (4 registrations).

The registration cites FAA aeronautical study 03-AGL-56-NRA, the FAA review of the structure's effect on air navigation. Its marking and lighting code, 1, is listed on the FCC registration form as "None".