A fully crewed Sigma 38 has nine crew positions, from aft (the back of the boat) they are as follows.
Steers the boat and works closely with the trimmers and tactician to maximise the speed of the boat, call the tacks and gybes.
Trims the mainsail and is responsible for the runners, works closely with the helm to maintain boat speed. Download a useful sheet on trimming the mainsail.
Pit / Cockpit or Pit
Responsible for all lines leading to and from the cockpit. A crucial role when hoisting and dropping the spinnaker, coordinates between cockpit and foredeck.
Pit / Crew Boss
Responsible for coordination of roles in all drills, often combined with cockpit.
Jib and spinnaker trimmer, crucial to getting the boat back up to speed after tacking and keep the spinnaker flying during gybes. Works very closely with main sheet trimmer, helm and sheet grinder. Download a useful sheet on trimming the Jib.
Works with sheet trimmer during tacks, and controls the spinnaker guys, and works closely with the pit to control the pole. Download a useful sheet on trimming the Spinnaker.
Tactician – Navigation / Tactics
Responsible for getting the boat around the course, using the wind and tide to best advantage, works closely with helm and trimmers to find the fastest way around the course. Download a useful sheet on race tactics.
Works with foredeck to hoist gybe drop spinnaker and helps hoist and drop genoa on demand. Works closely with pit and helps retrieve the spinnaker.
Responsible for calling the line during starts, and identifying overlaps. Prepares the spinnaker before a hoist, and gybes the pole, works closely with the mastman and repacks the spinnaker.