Towered · Class D surface area
Columbus Municipal (KBAK) radio calls
Columbus, INICAO KBAK · FAA BAK
Columbus Municipal is a towered airport in Columbus, IN. You will taxi with Ground on 121.6 and work Columbus Tower on 118.6. The approach control is Indianapolis Approach on 134.85, which is who you call for VFR flight following. The tower operates 0630-2200 local.
The airport has a Class D surface area: two-way radio communication with the tower must be established before entering. Published hours: CLASS D SVC 0630-2200; OTHER TIMES CLASS G.
Frequencies
| Clearance Delivery | 134.85 |
|---|---|
| GroundColumbus Ground | 121.6 |
| TowerColumbus Tower | 118.6 |
| CTAF | 118.6 |
| UNICOM | 122.95 |
| Approach / DepartureIndianapolis Approach | 134.85 |
Airport
- Runways
- 05 · 23 · 14 · 32
- Elevation
- 656 ft
- Tower hours
- 0630-2200 local
- Position
- 39.262, -85.896
Towered airport with a Class D surface area
Sample calls at KBAK
Columbus Municipal has a Class D surface area: establish two-way communication with the tower before entering (AIM 3-2-5 b 3). A reply that uses your call sign, even "standby", establishes it; "aircraft calling, standby" does not. The calls below use runway 05; 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.
- YouColumbus Clearance, Cessna Three One Six Zero Foxtrot, at the ramp with Information Alpha, VFR to the north, request clearance.
- ATCCessna Six Zero Foxtrot, Columbus Clearance, maintain VFR at or below two thousand five hundred, departure frequency one three four point eight five, squawk four six one two.
- YouAt or below two thousand five hundred, departure one three four point eight five, squawk four six one two, Cessna Six Zero Foxtrot.
- YouColumbus Ground, Cessna Three One Six Zero Foxtrot, at the ramp with Information Alpha, request taxi, VFR departure to the north.
- ATCCessna Six Zero Foxtrot, Columbus Ground, runway zero five, taxi via Alpha, hold short of runway zero five.
- YouRunway zero five, taxi via Alpha, hold short of runway zero five, 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).
- YouColumbus Tower, Cessna Six Zero Foxtrot, holding short runway zero five, ready for departure, northbound.
- ATCCessna Six Zero Foxtrot, Columbus Tower, runway zero five, cleared for takeoff.
- YouRunway zero five, cleared for takeoff, Cessna Six Zero Foxtrot.
- ATCCessna Six Zero Foxtrot, contact Indianapolis Approach one three four point eight five.
- Youone three four point eight five, Cessna Six Zero Foxtrot.
- YouIndianapolis 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, Indianapolis Approach, radar contact, altimeter three zero zero one.
- YouAltimeter three zero zero one, Cessna Six Zero Foxtrot.
- Inbound: call the tower about 15 miles out, before the Class D boundary (AIM 4-3-2 a).
- YouColumbus Tower, Cessna Three One Six Zero Foxtrot, one five miles north, three thousand, with Information Bravo, landing Columbus.
- ATCCessna Six Zero Foxtrot, Columbus Tower, enter left downwind runway zero five, report midfield downwind.
- YouEnter left downwind runway zero five, report midfield, Cessna Six Zero Foxtrot.
- YouColumbus Tower, Cessna Six Zero Foxtrot, midfield left downwind, runway zero five.
- ATCCessna Six Zero Foxtrot, runway zero five, cleared to land, wind two seven zero at eight.
- YouRunway zero five, 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 Columbus Ground one two one point six.
- YouExit next taxiway, one two one point six, Cessna Six Zero Foxtrot.
- YouColumbus Ground, Cessna Six Zero Foxtrot, clear of runway zero five, taxi to the ramp.
If things change. The tower operates 0630-2200 local. Outside those hours the airport is a non-towered field: self-announce on the CTAF, 118.6 with the airport name first and last, and the surface area reverts to Class E or Class G as published in the Chart Supplement.
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; 3-2-5 b 3; 4-3-2 a. 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.
