Indeed. My grandfather, who did a few laps around the Horn as part of the Chilean nitrate trade, would be appalled at today's gee-whiz computer-driven what passes for seamanship in some quarters. I can see him now, dumping a bucket of salt water over the central CPU for a warship, grinning in delight at the flying sparks and sputtering connections, and then gruffly roaring, "Improvise!"