Towered · Class D surface area
Gwinnett County/Briscoe Field (KLZU) radio calls
Lawrenceville, GAICAO KLZU · FAA LZU
Gwinnett County/Briscoe Field is a towered airport in Lawrenceville, GA. You will taxi with Ground on 121.8 and work Gwinnett Tower on 124.1, after listening to the ATIS on 132.275. The approach control is Atlanta Approach on 126.975, which is who you call for VFR flight following. The tower operates 0700-2100 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 0700-2100; OTHER TIMES CLASS G.
Frequencies
| ATIS | 132.275 |
|---|---|
| Clearance Delivery | 134.0 |
| GroundGwinnett Ground | 121.8 |
| TowerGwinnett Tower | 124.1 |
| CTAF | 124.1 |
| UNICOM | 123.05 |
| Approach / DepartureAtlanta Approach | 126.975 |
Airport
- Runways
- 07 · 25
- Elevation
- 1,062 ft
- Pattern altitude
- 1,039 ft MSL (published TPA)
- Tower hours
- 0700-2100 local
- Position
- 33.978, -83.962
Towered airport with a Class D surface area
Sample calls at KLZU
Gwinnett County/Briscoe Field 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 07; 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 132.275 first and note the letter; "with Information (letter)" on your first call lets the controller skip the weather (JO 7110.65 3-10-1).
- YouGwinnett Clearance, Cessna Three One Six Zero Foxtrot, at the ramp with Information Alpha, VFR to the north, request clearance.
- ATCCessna Six Zero Foxtrot, Gwinnett Clearance, maintain VFR at or below two thousand five hundred, departure frequency one two six point niner seven five, squawk four six one two.
- YouAt or below two thousand five hundred, departure one two six point niner seven five, squawk four six one two, Cessna Six Zero Foxtrot.
- YouGwinnett Ground, Cessna Three One Six Zero Foxtrot, at the ramp with Information Alpha, request taxi, VFR departure to the north.
- ATCCessna Six Zero Foxtrot, Gwinnett Ground, runway zero seven, taxi via Alpha, hold short of runway zero seven.
- YouRunway zero seven, taxi via Alpha, hold short of runway zero seven, 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).
- YouGwinnett Tower, Cessna Six Zero Foxtrot, holding short runway zero seven, ready for departure, northbound.
- ATCCessna Six Zero Foxtrot, Gwinnett Tower, runway zero seven, cleared for takeoff.
- YouRunway zero seven, cleared for takeoff, Cessna Six Zero Foxtrot.
- ATCCessna Six Zero Foxtrot, contact Atlanta Approach one two six point niner seven five.
- Youone two six point niner seven five, Cessna Six Zero Foxtrot.
- YouAtlanta 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, Atlanta 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).
- YouGwinnett Tower, Cessna Three One Six Zero Foxtrot, one five miles north, three thousand, with Information Bravo, landing Gwinnett.
- ATCCessna Six Zero Foxtrot, Gwinnett Tower, enter left downwind runway zero seven, report midfield downwind.
- YouEnter left downwind runway zero seven, report midfield, Cessna Six Zero Foxtrot.
- YouGwinnett Tower, Cessna Six Zero Foxtrot, midfield left downwind, runway zero seven.
- ATCCessna Six Zero Foxtrot, runway zero seven, cleared to land, wind two seven zero at eight.
- YouRunway zero seven, 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 Gwinnett Ground one two one point eight.
- YouExit next taxiway, one two one point eight, Cessna Six Zero Foxtrot.
- YouGwinnett Ground, Cessna Six Zero Foxtrot, clear of runway zero seven, taxi to the ramp.
If things change. The tower operates 0700-2100 local. Outside those hours the airport is a non-towered field: self-announce on the CTAF, 124.1 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; 3-2-5 b 3; 4-3-2 a. What TowerTalk grades against →
The calls you will make here
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- KCVCCovington Municipalnon-towered
- KJCAJackson Countynon-towered
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.
