Narrative:

At the start of my shift I was informed that peoria approach was becoming a VFR tower. The times that it was occurring were given. No other guidance was given other than that. The current letters of agreement between ZAU and pia do not state that peoria will ever become a VFR tower. The procedure for scheduled and unscheduled outages are for peoria approach to be non-radar below 6;000 feet MSL. Contrary to those letters of agreement and contingency plans we were directed that peoria approach was to become a VFR tower and no further directions were given as to what frequencies we were to use; how we were to clear aircraft for approach; how we were to coordinate aircraft that were on approach; etc. In the future I would recommend that any change of procedures be written and agreed upon prior to implementation.

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Original NASA ASRS Text

Title: ZAU ATCS reported being informed Peoria Approach was reverting to VFR Tower status; and that no procedures exist for that configuration.

Narrative: At the start of my shift I was informed that Peoria Approach was becoming a VFR Tower. The times that it was occurring were given. No other guidance was given other than that. The current letters of agreement between ZAU and PIA do not state that Peoria will ever become a VFR Tower. The procedure for scheduled and unscheduled outages are for Peoria Approach to be non-radar below 6;000 feet MSL. Contrary to those letters of agreement and contingency plans we were directed that Peoria Approach was to become a VFR Tower and no further directions were given as to what frequencies we were to use; how we were to clear aircraft for approach; how we were to coordinate aircraft that were on approach; etc. In the future I would recommend that any change of procedures be written and agreed upon prior to implementation.

Data retrieved from NASA's ASRS site as of April 2012 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.