Ground Control Outlet Instructions

1. When ready to receive IFR clearance or to activate/close a flight plan, select frequency 121.725 MHz

2.Click mic slowly 4x to contact Detroit Approach or click mic slowly 6x to contact Lansing Flight Service
(clicks are to be slow 1 second on and 1 second off.)

3. Listen for the message "ONZ connected" or something similar.

4. Detroit Approach or Lansing Flight Service will answer and ask for your request.

5. Give the controller/briefer your request using procedures outlined in the
Aeronautical Information Manual (AIM).

6. If you are #2 in line for IFR clearance, do not repeat steps 1 thru 4 , because the telephone line is already open. When there is a break in the converstation, provide your call sign and request to the controller/briefer.

7. If there is a pause of more then 20 seconds, the phone will automatically hang up. To prevent this click the mic to keep the line open. (Don't hold the mic open.)

Information subject to change without web site notice.
Please check current NOTAMs , announcments on AWOS, and with an FSS.