Historical clue formulations

• Twists side-to-side — 2025-10-05
• Twists off course, as a ship — 2025-09-28
• Swerves at sea — 2024-02-11
• Turns sharply, as an aircraft — 2021-05-25
• Oscillates about a vertical axis — 2020-12-16
• Swerves at sea — 2013-11-19
• Doesn't quite go straight — 2010-03-21
• Deviations of a ship's course — 2009-04-13
• Goes off on a tangent? — 2005-12-29
• Swerves at sea — 2005-10-04
• Deviates at 74-Down — 2004-03-28
• Doesn't go straight — 2002-06-16
• Swerves, at sea — 1999-07-07
• Swerves at sea — 1998-05-22