Ontario International Airport frequencies
Ontario International Airport (ONT · KONT) in Ontario, CA is a towered field, staffed 24 hours. 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 Ontario International Airport — runways, frequencies, charts and live weatherBefore taxi Ontario
- ATIS 124.25
- A recorded loop of the field's weather, active runway and any notices, updated hourly or whenever conditions change. Listen before your first call, and tell the controller which letter you have so they do not read it to you again.
- Clearance 132.9
- Clearance delivery issues your IFR clearance, and at busier fields your VFR departure instructions and squawk code. Call before you request taxi, with the ATIS letter and your intended direction of flight.
Taxi & takeoff Ontario
- Ground 121.9
- 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 120.6
- 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 & arrival Socal
- App/Dep 127.0 (NORTH-NE · SETER · ZIGGY arrivals), 134.0 (NORTHEAST-SOUTH · SCBBY arrivals), 135.4 (SOUTH-SW · RAJEE departures)
- One radar controller working both arrivals and departures — normal at a smaller TRACON. The same frequency takes your climb out and your inbound call.
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 (15 more)
| 125.5 | CLASS C (SW-NORTH), POMONA DP, SNSHN DP |
|---|---|
| 126.7 | SCBBY STAR (EAST) |
| 127.0 | CLASS C (NORTH-NE), SETER STAR, ZIGGY STAR |
| 127.4 | KARLB STAR |
| 134.0 | CLASS C (NORTHEAST-SOUTH), SCBBY STAR (SOUTHEAST) |
| 135.4 | RAJEE DP |
| 243.0 | EMERG |
| 257.8 | GND/P |
| 263.025 | KARLB STAR |
| 278.3 | APCH/P DEP/P (NE-SOUTH), CLASS C (NE-SOUTH), SCBBY STAR (SOUTHEAST) |
| 318.2 | APCH/P DEP/P (NORTH-NE), CLASS C (NORTH-NE), SETER STAR, ZIGGY STAR |
| 349.0 | CLASS C (SW-NORTH), POMONA DP, SNSHN DP |
| 360.775 | LCL/P |
| 370.95 | SCBBY STAR (EAST) |
| 377.125 | APCH/P DEP/P (SOUTH-SW), RAJEE DP |
Every KONT frequency, as one table
| ATIS | 124.25 |
|---|---|
| Clearance | 132.9 |
| Ground | 121.9 |
| Tower | 120.6 |
| Emergency | 121.5 |
| App/Dep | 127.0 · NORTH-NE · SETER · ZIGGY arrivals |
| App/Dep | 134.0 · NORTHEAST-SOUTH · SCBBY arrivals |
| App/Dep | 135.4 · SOUTH-SW · RAJEE departures |
Frequently asked
What is the tower frequency at KONT?
Ontario International Airport tower is 120.6, calling "Ontario Tower". The tower is staffed 24 hours.
What is the ground frequency at KONT?
Ground control at Ontario International Airport is 121.9. You need an explicit clearance from ground to cross any runway while taxiing, including one that is not in use.
What is the ATIS frequency at KONT?
ATIS at Ontario International Airport is 124.25. Listen before your first call and report the letter you have.
What is the approach frequency for KONT?
App/Dep for Ontario International Airport is 127.0, working as "Socal" (NORTH-NE · SETER · ZIGGY arrivals). Call inbound for flight following or to begin an instrument approach.
Where do I get my clearance at KONT?
Clearance delivery at Ontario International Airport is 132.9. Call before requesting taxi, with the current ATIS letter and your direction of flight.
More about KONT
Frequencies from FAA NASR. For planning and education only; always verify against official sources.