Naval Station Mayport / Admiral David L McDonald Field frequencies

Naval Station Mayport / Admiral David L McDonald Field (NRB · KNRB) in Jacksonville, FL is a towered field, staffed 1300-0400Z (DT 1200-0400) MON-THU; 1300-2300Z++ FRI; CLSD SAT, SUN AND FEDERAL HOLS.. Every frequency below is in the order you tune it, from the first call to the handoff on climb out. · Open on the map

All of Naval Station Mayport / Admiral David L McDonald Field — runways, frequencies, charts and live weather

When the KNRB tower is closed

The tower is staffed 1300-0400Z (DT 1200-0400) MON-THU; 1300-2300Z++ FRI; CLSD SAT, SUN AND FEDERAL HOLS.. Outside those hours Naval Station Mayport / Admiral David L McDonald Field has no operating control tower: it becomes a self announce field on 118.75, and separation from other traffic is yours, not a controller's. Report your position and intentions on entry and on each leg of the pattern.

Runway lighting is often pilot controlled once the tower closes — check the KNRB airport page for the click sequence, and what to say on the radio.

Taxi & takeoff Navy Mayport

Ground 126.5: Ground control owns every taxiway and inactive runway on the field. Call for taxi with your position and destination on the field. You need an explicit clearance to cross any runway, including one that is not in use.
Tower 118.75: Tower owns the active runways and the surrounding surface area. Call before entering the surface area inbound, and hold short until you are cleared to take off or to cross.

Departure Jacksonville

Departure 124.9: Departure control is the radar facility working aircraft climbing out of the area. Tower hands you off after takeoff. Check in with your altitude leaving and your assigned altitude.

Arrival Jacksonville

Approach 124.9: Approach control is the radar facility sequencing arrivals into the area. Call inbound for flight following or an instrument approach, with your position, altitude and request.

Also

Emergency 121.5: 121.5 is the international emergency and distress frequency, monitored continuously. Declare on it if you are in trouble, and monitor it as a second radio when you have one free.

By procedure & sector (11 more)

127.0	ALCRN STAR
233.7	GND/P
236.775	ATIS
239.3	LCL/P
243.0	EMERG
269.9	ALCRN STAR
288.325	LCL/S
289.95	PMSV METRO
301.3	PMSV METRO
308.4	APCH/P DEP/P
308.5	PTD

Every KNRB frequency, as one table

Ground	126.5
Tower	118.75
Emergency	121.5
Approach	124.9
Departure	124.9

Frequently asked

What is the tower frequency at KNRB?

Naval Station Mayport / Admiral David L McDonald Field tower is 118.75, calling "Navy Mayport Tower". The tower is staffed 1300-0400Z (DT 1200-0400) MON-THU; 1300-2300Z++ FRI; CLSD SAT, SUN AND FEDERAL HOLS..

What frequency do I use at KNRB when the tower is closed?

Outside 1300-0400Z (DT 1200-0400) MON-THU; 1300-2300Z++ FRI; CLSD SAT, SUN AND FEDERAL HOLS., Naval Station Mayport / Admiral David L McDonald Field has no operating control tower and becomes a self announce field. Use 118.75 as the CTAF and report your position and intentions — there is nobody to clear you, so separation is yours.

What is the ground frequency at KNRB?

Ground control at Naval Station Mayport / Admiral David L McDonald Field is 126.5. You need an explicit clearance from ground to cross any runway while taxiing, including one that is not in use.

What is the approach frequency for KNRB?

Approach for Naval Station Mayport / Admiral David L McDonald Field is 124.9, working as "Jacksonville". Call inbound for flight following or to begin an instrument approach.

More about KNRB

Frequencies from FAA NASR. For planning and education only; always verify against official sources.