Non-towered · Class E surface area
Chippewa County International (KCIU) radio calls
Sault Ste Marie, MIICAO KCIU · FAA CIU
Chippewa County International is a non-towered airport in Sault Ste Marie, MI. Nobody clears you to do anything: you self-announce on the CTAF, 123.0, as Chippewa County International Traffic, with the airport name at the start and end of each call.
The airport has a Class E surface area: no radio requirement to enter, but VFR weather minimums apply to the surface.
Frequencies
| CTAFChippewa County International Traffic | 123.0 |
|---|
Airport
- Runways
- 10 · 28 · 16 · 34
- Right-hand pattern
- Runway 16
- Elevation
- 799 ft
- Pattern altitude
- 800 ft MSL (published TPA)
- Position
- 46.251, -84.472
Non-towered airport: self-announce on the CTAF
Sample calls at KCIU
Chippewa County International has no operating control tower. Every call below goes out on the CTAF, 123.0, to the other aircraft, not to a controller. The runway shown is 10; use whichever runway the wind and the traffic dictate 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.
- Tune 123.0. Nobody clears you; you announce and you listen. The airport name goes at the start and the end of every call, and the runway is always a number, never "the active" (AIM 4-1-9 g 8).
- YouChippewa County International traffic, Cessna Three One Six Zero Foxtrot, taxiing to runway one zero, Chippewa County International.
- YouChippewa County International traffic, Cessna Six Zero Foxtrot, departing runway one zero, departing the pattern to the north, Chippewa County International.
- Announce until you are about 10 miles out; on the way back, start announcing at 10 miles (AIM 4-1-9 c 1, TBL 4-1-1).
- YouChippewa County International traffic, Cessna Three One Six Zero Foxtrot, one zero miles south, two thousand five hundred, landing Chippewa County International, Chippewa County International.
- YouChippewa County International UNICOM, Cessna Six Zero Foxtrot, one zero miles south, request wind and runway information, Chippewa County International.
- A UNICOM operator, if one is on, answers with the wind and the runway in use (AIM 4-1-9 h). If nobody answers, choose the runway from the wind and the pattern traffic you can hear.
- YouChippewa County International traffic, Cessna Six Zero Foxtrot, entering left downwind runway one zero, full stop, Chippewa County International.
- YouChippewa County International traffic, Cessna Six Zero Foxtrot, left base runway one zero, Chippewa County International.
- YouChippewa County International traffic, Cessna Six Zero Foxtrot, final runway one zero, full stop, Chippewa County International.
- YouChippewa County International traffic, Cessna Six Zero Foxtrot, clear of runway one zero, Chippewa County International.
If things change. Do not use "any traffic in the area, please advise"; the AIM says it is not to be used under any condition (AIM 4-1-9 g 1). Listen for ten miles before you arrive; most of what you want to know has already been said.
Phraseology from AIM 4-1-9 c 1, g 1, g 8, h; TBL 4-1-1; 4-3-3. 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.
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