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Timmerman Tower is contracted by the Federal Aviation Administration and operated and staffed by Midwest Air Traffic Control Services, Inc.  Licensed and certified controllers offer a welcoming environment, willing to work with new pilots and students to answer any questions or repeat instructions.  The friendly atmosphere is in keeping with Timmerman’s proud tradition of a small, personal general aviation airport.


Timmerman Airport Frequencies 

CTAF: 120.5

Green Bay FSS: 123.6R, 112.5T, 886/845-4888

Tower: 120.5 (7 a.m.-9 p.m.)

Unicom: 122.95

ATIS: 128.3

Ground Control: 121.7