Can a single government entity create a Certificate of Waiver or Authorization (COA) that covers all departments with multiple operators and aircraft (e.g. sheriff dept, police, emergency management, aviation dept)?

Yes, an entire city can be under one COA, but the city needs to understand that anyone or any machine flying under that COA is the responsibility of the COA holder (the city in this example). The responsible person of the COA holder is responsible for exercising proper oversight and control over all who fly under that COA.

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