Towered · Class D surface area
Rochester International (KRST) radio calls
Rochester, MNICAO KRST · FAA RST
Rochester International is a towered airport in Rochester, MN. You will taxi with Ground on 121.9 and work Rochester Tower on 118.3, after listening to the ATIS on 120.5. The approach control is Rochester Approach on 119.8, which is who you call for VFR flight following. The tower operates 0500-2300 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 0500-2300; OTHER TIMES CLASS E.
Frequencies
| ATIS | 120.5 |
|---|---|
| GroundRochester Ground | 121.9 |
| TowerRochester Tower | 118.3 |
| CTAF | 118.3 |
| UNICOM | 122.95 |
| Approach / DepartureRochester Approach | 119.8 |
Airport
- Runways
- 03 · 21 · 13 · 31
- Elevation
- 1,317 ft
- Tower hours
- 0500-2300 local
- Position
- 43.908, -92.500
Towered airport with a Class D surface area
Sample calls at KRST
Rochester International 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 03; 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.
- Listen to the ATIS on 120.5 first and note the letter; "with Information (letter)" on your first call lets the controller skip the weather (JO 7110.65 3-10-1).
- YouRochester Ground, Cessna Three One Six Zero Foxtrot, at the ramp with Information Alpha, request taxi, VFR departure to the north.
- ATCCessna Six Zero Foxtrot, Rochester Ground, runway zero three, taxi via Alpha, hold short of runway zero three.
- YouRunway zero three, taxi via Alpha, hold short of runway zero three, 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).
- YouRochester Tower, Cessna Six Zero Foxtrot, holding short runway zero three, ready for departure, northbound.
- ATCCessna Six Zero Foxtrot, Rochester Tower, runway zero three, cleared for takeoff.
- YouRunway zero three, cleared for takeoff, Cessna Six Zero Foxtrot.
- ATCCessna Six Zero Foxtrot, contact Rochester Approach one one niner point eight.
- Youone one niner point eight, Cessna Six Zero Foxtrot.
- YouRochester 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, Rochester 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).
- YouRochester Tower, Cessna Three One Six Zero Foxtrot, one five miles north, three thousand, with Information Bravo, landing Rochester.
- ATCCessna Six Zero Foxtrot, Rochester Tower, enter left downwind runway zero three, report midfield downwind.
- YouEnter left downwind runway zero three, report midfield, Cessna Six Zero Foxtrot.
- YouRochester Tower, Cessna Six Zero Foxtrot, midfield left downwind, runway zero three.
- ATCCessna Six Zero Foxtrot, runway zero three, cleared to land, wind two seven zero at eight.
- YouRunway zero three, 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 Rochester Ground one two one point niner.
- YouExit next taxiway, one two one point niner, Cessna Six Zero Foxtrot.
- YouRochester Ground, Cessna Six Zero Foxtrot, clear of runway zero three, taxi to the ramp.
If things change. The tower operates 0500-2300 local. Outside those hours the airport is a non-towered field: self-announce on the CTAF, 118.3 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.
