Historical clue formulations

• Crosswise, to a sailor — 2021-09-13
• Laterally, in a way — 2019-05-04
• Crossing the keel — 2019-02-28
• Perpendicular to the ship's middle — 2018-05-06
• Crosswise, on a ship — 2017-10-28
• Perpendicular to a ship's midline — 2015-10-20
• Crosswise, at sea — 2012-10-02
• Perpendicular to the keel — 2012-09-24
• Crosswise, when 18-Across — 2012-04-01
• Nautical direction — 2012-01-20
• Crosswise to the keel — 2012-01-01
• Sideways on a ship — 2010-10-24
• Crosswise, on deck — 2010-05-25
• Crosswise to a ship's keel — 2009-04-02
• At three or nine o'clock — 2007-03-31
• At right angles to a ship — 2005-03-14
• Directly from the side — 2005-02-24
• Crosswise, on deck — 2004-04-07
• Perpendicular to the keel — 2003-04-05
• Crosswise to a ship — 2001-12-10
• Lying port-to-starboard — 2000-10-09
• Crosswise — 1999-10-23
• Like a leading wind — 1999-04-02
• Perpendicular to the keel — 1999-01-26
• Perpendicular to the keel — 1998-07-22
• Crosswise to a 68-Across — 1998-04-15
• Crosswind direction, at sea — 1997-06-11
• Perpendicular to the keel — 1996-11-24
• At right angles to the keel — 1996-04-09
• 90 degrees from fore-and-aft — 1996-03-18
• Shipboard position — 1995-12-24
• Crosswise to the keel — 1995-10-15
• Crosswise to a ship's middle — 1995-02-28
• Crosswise to a ship — 1994-11-05
• Crosswise, nautically — 1994-05-15