Johnson County Airport (6A4) | Private Aviation

Current Conditions at K6A4

Johnson County Airport, Mountain City, TN

Airport Overview

The Mountain City, TN region is served by Johnson County Airport (K6A4), a public-use airport at 2,240 feet elevation. Runway infrastructure includes 1 strip(s); the primary surface extends 4,498 feet (N/A). Operators and private travelers use Johnson County Airport for its direct ramp access and minimal ground delays. For official FAA airport data, visit the FAA Airport Data portal or AirNav K6A4.

Private Aviation Briefing

Private aviation at Johnson County Airport (K6A4) connects Mountain City to destinations across the country and internationally. The airport sits at 2,240 ft MSL with 4498-foot primary runway. This briefing covers what matters for your mission.

U.S. General Aviation Context

Johnson County Airport is part of the U.S. National Airspace System, regulated by the FAA. As a TN facility, the airport contributes to the regional transportation network connecting Mountain City to the broader aviation system. FAA Part 135 charter operators serve this airport, and The Jet Finder can source aircraft positioned near K6A4 for on-demand charter.

Runway Capability

At 4498 feet, Johnson County Airport serves light jets and turboprops. The Citation CJ series, Phenom 100, HondaJet, and King Air family operate within this runway capability. Midsize jets require careful performance analysis based on temperature and aircraft weight. Pilots should reference aircraft-specific takeoff and landing distance charts for K6A4's runway length and 2,240 ft MSL elevation.

Charter Considerations

Ground transportation at Johnson County Airport is a factor in total travel time. Private aviation eliminates the commercial terminal experience, but the drive from K6A4 to your final destination determines the true door-to-door advantage. FBOs at most airports offer car service coordination, rental car delivery to the ramp, and concierge ground transportation for arriving passengers.

What to Know Before You Fly

Fuel pricing varies significantly between airports and FBOs. Jet-A at Johnson County Airport may cost $5.50 to $10.00 per gallon depending on the FBO. On shorter flights, fuel cost is a minor component. On longer legs, the price difference between FBOs adds up. The Jet Finder factors fuel cost into charter quotes to ensure accurate pricing from K6A4.

Safety & Planning

Flight planning from Johnson County Airport accounts for current NOTAMs, TFRs, and airspace restrictions. Pilots operating from K6A4 check published notices before every departure. Temporary flight restrictions near stadiums, presidential movements, and military operations can affect routing and timing. The Jet Finder monitors these factors and communicates schedule impacts proactively.

Airport Selection Strategy

Based aircraft availability at Johnson County Airport directly impacts charter pricing. Airports with more locally based jets generate lower positioning costs. If K6A4 has limited based aircraft, the charter operator repositions from the nearest base, adding 30 to 60 minutes of flight time at the hourly rate. The Jet Finder identifies the closest available aircraft to minimize this cost.

Seasonal Factors

Convective weather season (May through September) impacts afternoon scheduling reliability at Johnson County Airport. Thunderstorm activity typically builds after 2:00 PM local time, potentially delaying departures from K6A4. Morning flights on this corridor routinely depart on schedule. The Jet Finder recommends morning departures when schedule certainty matters.

Location & Address

Johnson County Airport occupies coordinates 36.4178° N, -81.8251° W at 2,240 feet above sea level. FBO-arranged car service or rideshare connects passengers from Johnson County Airport to Mountain City and surrounding areas efficiently.

Runways & Facilities

Johnson County Airport's 4,498-foot runway accommodates turboprops, very light jets, and most light jet categories (Citation CJ series, Phenom 100/300, Premier I). Some midsize jets can operate under light-load conditions. Pilots should calculate performance based on temperature, elevation, and aircraft weight.

FBOs & Ground Services

For ground services at Johnson County Airport (K6A4), contact the airport office or on-field operator. Available services may include tiedowns, fuel, and basic ground handling. Larger aircraft or special handling requests should be arranged in advance to ensure availability.

Charter a Jet from Johnson County Airport

Private charter from K6A4 starts with a single call. Pricing from K6A4 depends on aircraft type, distance, and availability. Contact us for a quote tailored to your routing and schedule.

Fly Private from K6A4

The Jet Finder coordinates charter flights from Johnson County Airport. Tell us your destination, dates, and passenger count. We source aircraft from FAA Part 135 operators matched to K6A4's runway and facilities.

Airport Specifications

Airport Identity
Airport Name	Johnson County Airport
ICAO Code	K6A4
IATA Code	6A4
FAA Identifier	6A4
Address	Mountain City, TN
Elevation	2,240 ft MSL
Coordinates	36.4178° N, 81.8251° W
FAA Data	AirNav 6A4

Operations & Facilities
Runways	06/24: 4,498 ft (ASP)
FBOs	Airport Services
Customs	Not available
Fuel	Contact airport for availability
Hours	Contact airport for hours
Approaches	Contact airport for approach information
Tower / Freq	See Airport/Facility Directory

Regional Aviation Context

Tennessee's music and entertainment industry drives Nashville's charter market, while Memphis serves as a logistics hub. The state's river valleys can channel fog and low-ceiling conditions.

Operational Considerations

Johnson County Airport's 2,240-foot field elevation keeps density altitude effects manageable. Even on warm days, density altitude here tops out around 4,040 feet — within normal performance parameters for most aircraft. The 4,498-foot runway provides approximately 4,196 feet of effective sea-level performance.

Johnson County Airport's temperate latitude produces generally favorable flying conditions with seasonal variation. Winter brings frontal passages that can drop ceilings to IFR minimums for 24-48 hour periods. Freezing precipitation is possible but less persistent than at higher latitudes. Summer convective activity peaks in late afternoon — morning departures typically encounter smoother, clearer conditions. Year-round instrument currency is recommended for reliable scheduling.

Nearby Airports

Airports within 150 nautical miles of Johnson County Airport. Useful for alternate planning, repositioning, or comparing FBO options.

Boone Inc Airport

NC14 · 16 NM from K6A4

Elk River Airport

NC06 · 16 NM from K6A4

Elizabethton Municipal Airport

none · 17 NM from K6A4

Virginia Highlands Airport

KVJI · 19 NM from K6A4

Frequently Asked Questions

The airport code for Johnson County Airport is K6A4. This identifier appears on sectional charts, in the Airport/Facility Directory, and in electronic flight planning tools.

Johnson County Airport (K6A4) sits at 36.4178° N, 81.8251° W, near Mountain City, TN. At 2,240 feet MSL, the airport provides general aviation access to the surrounding region.

The airport features 1 runway(s). Runway 06/24 is the primary strip at 4,498 feet (ASP surface).

Private jets can land at Johnson County Airport provided the 4,498-foot runway meets their performance requirements. Light and very light jets typically operate without restriction. Midsize jets may require careful performance analysis depending on conditions.

Johnson County Airport (K6A4) offers ground services through its FBO. Standard services include fuel, parking, and aircraft handling. Check with the facility for after-hours availability and current fuel pricing.

Johnson County Airport has a field elevation of 2,240 feet above mean sea level. This affects aircraft performance calculations, particularly during hot weather when density altitude increases.

For approach data at Johnson County Airport, reference the AirNav entry for K6A4 or the FAA's digital Terminal Procedures. Approach type and minimums vary by facility.

The Jet Finder arranges private charter from Johnson County Airport (K6A4). Tell us where you need to go, when, and how many passengers. We handle the aircraft sourcing, operator vetting, and logistics.

Aircraft suitability at K6A4 depends on the 4,498-foot runway. Standard GA traffic — pistons, turboprops, light jets — operates without special considerations. Larger aircraft should confirm runway adequacy before flight planning.

Tower status at K6A4: check the current A/FD entry. If non-towered, Johnson County Airport uses CTAF for traffic coordination. Pilots should announce intentions on the appropriate frequency.

For fuel at K6A4, contact the on-field FBO or check airnav.com/airport/K6A4. Jet-A and 100LL availability depends on the facility. Self-serve and full-serve options may vary.

Customs and Border Protection services are required for international operations at Johnson County Airport. Contact the airport for CBP availability at K6A4. The Jet Finder assists with eAPIS filing and customs coordination.

Check aviationweather.gov for current conditions at K6A4. Johnson County Airport's weather is influenced by TN's regional climate. Seasonal fog, wind, and precipitation patterns should be factored into flight planning.

The distance from Johnson County Airport (K6A4) to downtown Mountain City varies by route. Most general aviation airports are located within a short drive of their associated city. Contact The Jet Finder for ground transportation coordination.

Johnson County Airport offers aircraft parking for visiting and based aircraft. Tiedown and hangar rates at K6A4 should be confirmed directly with the airport. Overnight parking may require advance arrangement.

Get a quote for private charter from K6A4: visit thejetfinder.com/contact.html or call directly. Share your itinerary and passenger details. We handle aircraft sourcing from Johnson County Airport to your destination.

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Experience the difference of private aviation at Johnson County Airport.

Johnson County Airport (K6A4)