AUGUSTA – Old Fort Western, the 1754 National Historic Landmark fort, store and house museum on the Kennebec River, will host its annual Maple Syrup Day from 1 to 3 p.m. Sunday, March 27.

Fort staff will tap trees, whittle spiles and collect and boil sap, all in the 18th-century manner. Hearth-baked corn bread with maple syrup will be available in the south kitchen.

For more information about Old Fort Western see www.oldfortwestern.org. Admission to Maple Syrup Day at the fort is free. Donations will be accepted. Phone 626-2385 for more information.

GPS seminar

PORTLAND – The Maine Hunter Sailing Association is announcing its winter seminar, “Navigation and GPS,” will be held from 9 a.m. to 4 p.m. Saturday, April 2, at the Hilton Garden Inn at the Portland Jetport.

The seminar is open to all sailors and powerboat owners. Attendees will have an opportunity to experience some of the latest GPS and navigation equipment. Taught by Captain Rick Kilborn of Boatwise, the seminar will begin with a discussion of latitude/longitude, bearing conversion, distance, speed and time calculations and drift corrections with hands-on navigation and plotting exercises.

The afternoon session will focus on the operation of GPS Chartplotters, reviewing basic GPS theory and menu items as well as defining all the screen acronyms on GPSs.

Generic in nature, the presentation will be for owners of all the popular brands and to all skill levels. The cost is $135 and lunch is included. Class size is limited, so preregistration is necessary. Register by calling Peter Poulin at 207-576-5433 or Jerry Homer at 603-880-1578.