Glossary

A quick reference for the words you'll see throughout Zeil.

Account — Your global Zeil identity (email and login). Shared across every club you belong to.

Admin (administrator) — A membership role that can manage a club's fleet, members, certifications, availability, announcements, and settings.

Announcement — A club-wide notice posted by an admin. Can be pinned and targeted to all members or admins only.

Availability window — A span of time when a boat can be booked. May be recurring or one-off.

Blackout — A period that closes an otherwise-available boat (maintenance, events, weather).

Boat — An individual vessel in the fleet, belonging to a boat class, with its own specs, crew rules, and status.

Boat class — A type of boat (make/model). Holds shared specs; endorsements can be granted per class.

Certification — A credential your club recognizes, with a level and an optional expiry. Granted to members by admins.

Club (organization) — A sailing school or yacht club on Zeil, reached at its own slug.zeilapp.com address.

Crew — The people aboard a sail. Each has a state (invited, requested, confirmed, declined, removed); only confirmed crew count toward requirements.

Endorsement — Permission to skipper a specific boat or a whole boat class. Granted by admins.

Member — Someone who belongs to a club. Also the basic (non-admin) role.

Membership — Your link to a particular club, carrying your role, certifications, and endorsements there.

Reservation (sail) — A booking of a boat for a time window. Moves through draft, confirmed, completed, and cancelled. See Reservation states.

Sail Brief — An AI-written advisory generated before a sail from the forecast, boat, crew, and local-knowledge notes. Advisory only.

Skipper — The person responsible for sailing the boat. Must be eligible for that boat (endorsement + sufficient, unexpired certification).

Slug — The short name in a club's web address (slug.zeilapp.com).