Towered · Class D surface area
Lawrence j Timmerman (KMWC) radio calls
Milwaukee, WIICAO KMWC · FAA MWC
Lawrence j Timmerman is a towered airport in Milwaukee, WI. You will taxi with Ground on 121.7 and work Timmerman Tower on 120.5, after listening to the ATIS on 128.3. The approach control is Milwaukee Approach on 125.35, 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 | 128.3 |
|---|---|
| Clearance Delivery | 121.7 |
| GroundTimmerman Ground | 121.7 |
| TowerTimmerman Tower | 120.5 |
| CTAF | 120.5 |
| UNICOM | 122.95 |
| Approach / DepartureMilwaukee Approach | 125.35 |
Airport
- Runways
- 04L · 22R · 04R · 22L · 15L · 33R · 15R · 33L
- Elevation
- 745 ft
- Tower hours
- 0700-2100 local
- Position
- 43.110, -88.034
Towered airport with a Class D surface area
Sample calls at KMWC
Lawrence j Timmerman 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 04L; 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 128.3 first and note the letter; "with Information (letter)" on your first call lets the controller skip the weather (JO 7110.65 3-10-1).
- YouTimmerman Clearance, Cessna Three One Six Zero Foxtrot, at the ramp with Information Alpha, VFR to the north, request clearance.
- ATCCessna Six Zero Foxtrot, Timmerman Clearance, maintain VFR at or below two thousand five hundred, departure frequency one two five point three five, squawk four six one two.
- YouAt or below two thousand five hundred, departure one two five point three five, squawk four six one two, Cessna Six Zero Foxtrot.
- YouTimmerman Ground, Cessna Three One Six Zero Foxtrot, at the ramp with Information Alpha, request taxi, VFR departure to the north.
- ATCCessna Six Zero Foxtrot, Timmerman Ground, runway zero four left, taxi via Alpha, hold short of runway zero four left.
- YouRunway zero four left, taxi via Alpha, hold short of runway zero four left, 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).
- YouTimmerman Tower, Cessna Six Zero Foxtrot, holding short runway zero four left, ready for departure, northbound.
- ATCCessna Six Zero Foxtrot, Timmerman Tower, runway zero four left, cleared for takeoff.
- YouRunway zero four left, cleared for takeoff, Cessna Six Zero Foxtrot.
- ATCCessna Six Zero Foxtrot, contact Milwaukee Approach one two five point three five.
- Youone two five point three five, Cessna Six Zero Foxtrot.
- YouMilwaukee 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, Milwaukee 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).
- YouTimmerman Tower, Cessna Three One Six Zero Foxtrot, one five miles north, three thousand, with Information Bravo, landing Timmerman.
- ATCCessna Six Zero Foxtrot, Timmerman Tower, enter left downwind runway zero four left, report midfield downwind.
- YouEnter left downwind runway zero four left, report midfield, Cessna Six Zero Foxtrot.
- YouTimmerman Tower, Cessna Six Zero Foxtrot, midfield left downwind, runway zero four left.
- ATCCessna Six Zero Foxtrot, runway zero four left, cleared to land, wind two seven zero at eight.
- YouRunway zero four left, 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 Timmerman Ground one two one point seven.
- YouExit next taxiway, one two one point seven, Cessna Six Zero Foxtrot.
- YouTimmerman Ground, Cessna Six Zero Foxtrot, clear of runway zero four left, 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, 120.5 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.
