Sullivan County Airport (IATA: SIV, ICAO: KSIV, FAA LID: SIV) is a county-owned public-use airport located three nautical miles (6 km) northwest of the central business district of Sullivan, a city in Sullivan County, Indiana, United States. It is included in the FAA's National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a "general aviation" facility.
The public is free to use the airport at any time of the day since it is county-owned.
( z1 free :ARG1 ( z2 use :ARG0 ( z3 public ) :ARG1 ( z4 airport ) :time ( z5 any :part-of ( z6 day ) ) ) :ARG1-of ( z7 cause :ARG0 ( z8 own :ARG0 ( z9 county ) :ARG1 z4 ) ) )