Narrative:

As of 10/92, control zones are not depicted on world aeronautical charts. This creates a lack of knowledge of a surrounding airspace which poses a danger to air safety.

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Original NASA ASRS Text

Title: COMPLAINT REF SAFETY ASPECT OF REMOVING CZN DEPICTION FROM WAC CHARTS.

Narrative: AS OF 10/92, CTL ZONES ARE NOT DEPICTED ON WORLD AERO CHARTS. THIS CREATES A LACK OF KNOWLEDGE OF A SURROUNDING AIRSPACE WHICH POSES A DANGER TO AIR SAFETY.

Data retrieved from NASA's ASRS site as of July 2007 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.