Towered · Class C surface area
Greenville Spartanburg International (KGSP) radio calls
Greer, SCICAO KGSP · FAA GSP
Greenville Spartanburg International is a towered airport in Greer, SC. You will taxi with Ground on 121.9 and work Greer Tower on 120.1, after listening to the ATIS on 134.25. The approach control is Greer Approach on 119.4, which is who you call for VFR flight following. The tower operates 0600-2345 local.
The airport has a Class C surface area: two-way radio communication with the approach control must be established before entering, and a transponder with altitude reporting is required. Published hours: CLASS C SVC 0600-2345; OTHER TIMES CLASS E.
Frequencies
| ATIS | 134.25 |
|---|---|
| Clearance Delivery | 121.9 |
| GroundGreer Ground | 121.9 |
| TowerGreer Tower | 120.1 |
| CTAF | 120.1 |
| UNICOM | 122.95 |
| Approach / DepartureGreer Approach | 119.4 |
Airport
- Runways
- 04 · 22
- Right-hand pattern
- Runway 04
- Elevation
- 964 ft
- Tower hours
- 0600-2345 local
- Position
- 34.896, -82.219
Towered airport with a Class C surface area
Sample calls at KGSP
Greenville Spartanburg International has a Class C surface area: establish two-way communication with the approach control before entering, and keep it (AIM 3-2-4 c 3). A reply with your call sign, even "standby", establishes it. The calls below use runway 04; 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 134.25 first and note the letter; "with Information (letter)" on your first call lets the controller skip the weather (JO 7110.65 3-10-1).
- YouGreer Clearance, Cessna Three One Six Zero Foxtrot, at the ramp with Information Alpha, VFR to the north, request clearance.
- ATCCessna Six Zero Foxtrot, Greer Clearance, maintain VFR at or below two thousand five hundred, departure frequency one one niner point four, squawk four six one two.
- YouAt or below two thousand five hundred, departure one one niner point four, squawk four six one two, Cessna Six Zero Foxtrot.
- YouGreer Ground, Cessna Three One Six Zero Foxtrot, at the ramp with Information Alpha, request taxi, VFR departure to the north.
- ATCCessna Six Zero Foxtrot, Greer Ground, runway zero four, taxi via Alpha, hold short of runway zero four.
- YouRunway zero four, taxi via Alpha, hold short of runway zero four, 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).
- YouGreer Tower, Cessna Six Zero Foxtrot, holding short runway zero four, ready for departure, northbound.
- ATCCessna Six Zero Foxtrot, Greer Tower, runway zero four, cleared for takeoff.
- YouRunway zero four, cleared for takeoff, Cessna Six Zero Foxtrot.
- ATCCessna Six Zero Foxtrot, contact Greer Approach one one niner point four.
- Youone one niner point four, Cessna Six Zero Foxtrot.
- YouGreer 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, Greer Approach, radar contact, altimeter three zero zero one.
- YouAltimeter three zero zero one, Cessna Six Zero Foxtrot.
- Inbound: call the approach control before the Class C boundary; a reply with your call sign establishes communication and you may enter (AIM 3-2-4 c 3).
- YouGreer Approach, Cessna Three One Six Zero Foxtrot, one five miles north, three thousand five hundred, squawking one two zero zero, with Information Bravo, landing Greer, request Class Charlie service.
- ATCCessna Six Zero Foxtrot, Greer Approach, squawk four six one two, ident.
- YouSquawk four six one two, ident, Cessna Six Zero Foxtrot.
- ATCCessna Six Zero Foxtrot, radar contact, altimeter three zero zero one, contact Greer Tower one two zero point one.
- YouAltimeter three zero zero one, one two zero point one, Cessna Six Zero Foxtrot.
- YouGreer Tower, Cessna Six Zero Foxtrot, five miles north, three thousand, with Bravo.
- ATCCessna Six Zero Foxtrot, Greer Tower, enter left downwind runway zero four, report midfield downwind.
- YouEnter left downwind runway zero four, report midfield, Cessna Six Zero Foxtrot.
- YouGreer Tower, Cessna Six Zero Foxtrot, midfield left downwind, runway zero four.
- ATCCessna Six Zero Foxtrot, runway zero four, cleared to land, wind two seven zero at eight.
- YouRunway zero four, 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 Greer Ground one two one point niner.
- YouExit next taxiway, one two one point niner, Cessna Six Zero Foxtrot.
- YouGreer Ground, Cessna Six Zero Foxtrot, clear of runway zero four, taxi to the ramp.
If things change. The tower operates 0600-2345 local. Outside those hours the airport is a non-towered field: self-announce on the CTAF, 120.1 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; 3-2-4 c 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.
