Towered · Class C surface area
Jacksonville International (KJAX) radio calls
Jacksonville, FLICAO KJAX · FAA JAX
Jacksonville International is a towered airport in Jacksonville, FL. You will taxi with Ground on 121.9 and work Jacksonville Tower Tower on 118.3. The approach control is Jacksonville Approach on 121.3, which is who you call for VFR flight following. The tower operates 24 hours.
The airport has a Class C surface area: two-way radio communication with the approach control must be established before entering, and a transponder with altitude reporting is required.
Frequencies
| Clearance Delivery | 119.5 |
|---|---|
| GroundJacksonville Tower Ground | 121.9 |
| TowerJacksonville Tower Tower | 118.3 |
| UNICOM | 122.95 |
| Approach / DepartureJacksonville Approach | 121.3 |
Airport
- Runways
- 08 · 26 · 14 · 32
- Elevation
- 30 ft
- Tower hours
- 24 hours
- Position
- 30.494, -81.688
Towered airport with a Class C surface area
Sample calls at KJAX
Jacksonville International has a Class C surface area: establish two-way communication with the approach control before entering, and keep it (AIM 3-2-4 c 3). A reply with your call sign, even "standby", establishes it. The calls below use runway 08; the tower assigns the runway in use on the day.
The aircraft is the AIM’s own example, Cessna Three One Six Zero Foxtrot; the squawk codes, altitudes and headings are illustrative. Frequencies, station names and runway numbers are this airport’s, from the FAA data.
- There is no ATIS frequency in the FAA data for this airport, so ask Ground for the numbers on your first call: they will give the runway, wind and altimeter.
- YouJacksonville Tower Clearance, Cessna Three One Six Zero Foxtrot, at the ramp with Information Alpha, VFR to the north, request clearance.
- ATCCessna Six Zero Foxtrot, Jacksonville Tower Clearance, maintain VFR at or below two thousand five hundred, departure frequency one two one point three, squawk four six one two.
- YouAt or below two thousand five hundred, departure one two one point three, squawk four six one two, Cessna Six Zero Foxtrot.
- YouJacksonville Tower Ground, Cessna Three One Six Zero Foxtrot, at the ramp with Information Alpha, request taxi, VFR departure to the north.
- ATCCessna Six Zero Foxtrot, Jacksonville Tower Ground, runway zero eight, taxi via Alpha, hold short of runway zero eight.
- YouRunway zero eight, taxi via Alpha, hold short of runway zero eight, Cessna Six Zero Foxtrot.
- The runway, any clearance onto a runway and every hold-short instruction are read back (AIM 4-3-18 a 9). Stay on Ground through the run-up and switch to Tower when ready (AIM 4-3-14 a).
- YouJacksonville Tower Tower, Cessna Six Zero Foxtrot, holding short runway zero eight, ready for departure, northbound.
- ATCCessna Six Zero Foxtrot, Jacksonville Tower Tower, runway zero eight, cleared for takeoff.
- YouRunway zero eight, cleared for takeoff, Cessna Six Zero Foxtrot.
- ATCCessna Six Zero Foxtrot, contact Jacksonville Approach one two one point three.
- Youone two one point three, Cessna Six Zero Foxtrot.
- YouJacksonville Approach, Cessna Three One Six Zero Foxtrot, two thousand climbing four thousand five hundred, request VFR flight following to the north.
- ATCCessna Six Zero Foxtrot, Jacksonville Approach, radar contact, altimeter three zero zero one.
- YouAltimeter three zero zero one, Cessna Six Zero Foxtrot.
- Inbound: call the approach control before the Class C boundary; a reply with your call sign establishes communication and you may enter (AIM 3-2-4 c 3).
- YouJacksonville Approach, Cessna Three One Six Zero Foxtrot, one five miles north, three thousand five hundred, squawking one two zero zero, with Information Bravo, landing Jacksonville Tower, request Class Charlie service.
- ATCCessna Six Zero Foxtrot, Jacksonville Approach, squawk four six one two, ident.
- YouSquawk four six one two, ident, Cessna Six Zero Foxtrot.
- ATCCessna Six Zero Foxtrot, radar contact, altimeter three zero zero one, contact Jacksonville Tower Tower one one eight point three.
- YouAltimeter three zero zero one, one one eight point three, Cessna Six Zero Foxtrot.
- YouJacksonville Tower Tower, Cessna Six Zero Foxtrot, five miles north, three thousand, with Bravo.
- ATCCessna Six Zero Foxtrot, Jacksonville Tower Tower, enter left downwind runway zero eight, report midfield downwind.
- YouEnter left downwind runway zero eight, report midfield, Cessna Six Zero Foxtrot.
- YouJacksonville Tower Tower, Cessna Six Zero Foxtrot, midfield left downwind, runway zero eight.
- ATCCessna Six Zero Foxtrot, runway zero eight, cleared to land, wind two seven zero at eight.
- YouRunway zero eight, cleared to land, Cessna Six Zero Foxtrot.
- The wind is information: acknowledged, not read back. Exit at the first available taxiway or as told, taxi clear of the hold-short markings, and change to Ground only when the tower says (AIM 4-3-21).
- ATCCessna Six Zero Foxtrot, exit at the next taxiway, contact Jacksonville Tower Ground one two one point niner.
- YouExit next taxiway, one two one point niner, Cessna Six Zero Foxtrot.
- YouJacksonville Tower Ground, Cessna Six Zero Foxtrot, clear of runway zero eight, taxi to the ramp.
If things change. The tower operates 24 hours. If you cannot raise it, check the frequency and volume, then squawk 7600, remain outside the Class D until you have the traffic flow, and watch for light signals (AIM 4-2-13).
Phraseology from AIM 4-2-3; 4-3-18 a 9; 4-3-14; 4-3-21; 4-4-7 b; 4-1-18 a 3; 3-2-4 c 3. What TowerTalk grades against →
The calls you will make here
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Frequencies, runways and airspace from the FAA National Airspace System Resources (NASR) 28-day subscription, cycle effective Sep 3, 2026. Training use only. Always verify against a current Chart Supplement and sectional chart before flight; frequencies change. TowerTalk is not affiliated with the FAA. Report a discrepancy.
