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Pilot States

Every pilot is in exactly one of the following states. The diagram shows the typical flow of a competition day and who, when, and why changes a pilot's state.

Pilot state transition diagram

States

unknownPilot is on the roster but not yet confirmed before takeoff.
flyingPilot will be flying = before takeoff, or is currently flying.
awaiting pickupPilot has landed and is waiting for a retrieval van.
landed, no pickupPilot landed safely but does not need a van (e.g. hitched a ride).
sosEmergency — pilot has landed and needs urgent assistance.
picked upPilot is in the retrieval van.
dropped offPilot arrived back at base.

Actors

OrganizerOrganizer – starts and ends competition tasks, confirms each pilot's state as "Flying" or "Dropped Off" (serves as a substitute for the signature sheet at the start/finish).
DriverVan driver – monitors pilots on the map who need pickup and confirms their pickup and drop-off at the base.
PilotPilot – after a safe landing, confirms their state, location, and can request a pickup. In case of emergency, triggers SOS.