Of course, despite this now being repeated as an explanation for disappearances in the Triangle on numerous documentaries and articles since then, it turns out magnetic variation is something ship captains (and other explorers) have known about and had to deal with pretty much as long as there have been ships and compasses. Dealing with magnetic declination is really just “Navigation by Compass” 101 and nothing to be concerned about, nor anything that would seriously throw off any experienced navigator.
In 2005, the Coast Guard revisited the issue after a TV producer in London inquired about it for a program he was working on. In this case, they correctly changed their tune about the magnetic field bit stating,