Fowler OutSpoken TalkTua Pittman on Traditional Sea Voyaging and NavigationSaturday, April 30, 1:30 pm Internationally recognized as a traditional voyaging seafarer, Tua Pitman has navigated canoes for over thirty years without the use of modern instruments. He uses a traditional navigation system based on observations of the stars, sun, moon, the ocean swells, the flight patterns of birds and other natural signs.