Read airspace before you read the sky

Begin with the location

Find the proposed operating area on a current aeronautical chart or FAA-supported planning source. Identify nearby airports, controlled-airspace boundaries, special-use airspace and published obstacles before deciding whether the mission is feasible.

Classification changes the workflow

Part 107 operations in Class B, C, D and surface Class E controlled airspace generally require prior FAA authorization. Uncontrolled Class G does not remove the rest of Part 107: altitude, visibility, cloud clearance, right-of-way and local hazards still matter.

Do not turn a grid into a ceiling

UAS Facility Map values support authorization processing; they are not automatic permission to fly. An authorization may contain a lower limit or extra conditions. Read the issued authorization itself.

Train with scenarios

For each chart exercise, state the airspace, controlling facility, authorization need and operational constraint in a full sentence. That habit is more durable than recognizing a color alone.