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DRONE-OPERATIONS5 MIN READ

Observer Calls That Work

Recall closed-loop visual-observer call patterns for common drone hazards.

Hazard format What three elements belong in a visual-observer hazard call? Condition, location, and movement or direction. Example: "Cyclist entering landing zone from west" is stronger than "bike." Weak vs strong Which call gives the pilot enough to act? Strong calls describe the hazard in relation to the flight path or recovery zone. No acknowledgment The pilot does not answer the first hazard call. The aircraft is still moving toward the affected area. Escalation line Pilot, confirm: pedestrian under path. Hold position now. Assuming silence means the pilot heard you. The escalation treats the loop as open until the pilot…

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