Airport · Mountain City, TN
Johnson County Airport (6A4)
Johnson County Airport (6A4) is a public-use airport in Mountain City, TN. Official FAA data: 4,498 ft longest runway, no control tower, Jet A, 2,241 ft elevation. FAA airport data effective 2026-09-03. Jetora shows private-jet empty legs and repositioning flights departing or arriving here, current weather and nearby alternatives. Car parking, lounges and FBO amenities appear only when supplied by the airport or an FBO that has claimed this page — none yet. Runway figures alone do not establish whether a particular aircraft can operate here; operators decide.
- Longest runway
- 4,498 ft
- Elevation
- 2,241 ft
- Control tower
- No
- Fuel on the field
- 100LL avgas, Jet A with additive
- Aircraft parking
- Hangar space, tie-downs
- Attended
- 0900-1800
- On-field services
- Avionics shop, Gliders, Flight instruction, Parachute jumping, Aircraft rental
- Maintenance
- Airframe & engine repair
- On FAA records since
- 1971
- Footprint
- 73 acres
- From town
- 4 mi south
- Location
- Mountain City, TN, TN
- Codes
- 6A4 · K6A4