| Date | Grid | Clue | Author |
|---|---|---|---|
| Saturday, September 10, 2011 | 9D | Wolf pack member (4) | David Quarfoot |
| Monday, July 18, 2011 | 28D | W.W. II ship sinker | Kevin Donovan |
| Sunday, April 17, 2011 | 57D | Battle of the Atlantic vessel | Matt Ginsberg |
| Thursday, June 17, 2010 | 22A | Concern for an Allied ship | Corey Rubin |
| Thursday, April 29, 2010 | 59A | W.W. II blockade enforcer (2) | David J. W. Simpson |
| Sunday, March 28, 2010 | 13D | Maritime threat of the early 1940s | Ed Sessa |
| Tuesday, January 5, 2010 | 29D | W.W. II sea menace | C. W. Stewart |
| Monday, August 24, 2009 | 14A | W.W. II German sub | Anthony J. Salvia |
| Wednesday, July 22, 2009 | 56D | W.W. II menace (5) | Patrick Blindauer |
| Tuesday, May 26, 2009 | 63A | Torpedo launcher | Mike Nothnagel |
| Friday, March 20, 2009 | 49D | German diver (2) | David Levinson Wilk |
| Monday, February 23, 2009 | 48D | W.W. II Atlantic lurker | Alan Arbesfeld |
| Thursday, October 9, 2008 | 34D | Destroyer hunter | Doug Peterson |
| Thursday, September 25, 2008 | 53A | W.W. II blockade enforcer (2) | Victor Fleming |
| Sunday, September 14, 2008 | 59D | Sub with sauerkraut? | Jeremy Newton |
| Friday, August 1, 2008 | 16A | Ship sinker (2) | Patrick Berry |
| Saturday, January 26, 2008 | 16A | Liner threat, once | Karen M. Tracey |
| Tuesday, September 18, 2007 | 2D | Kriegsmarine vessel | Chuck Deodene |
| Tuesday, April 24, 2007 | 14A | Naval convoy menace | Brendan Emmett Quigley |
| Sunday, January 8, 2006 | 80D | W.W. II menace (5) | Michael Ashley |
| Sunday, May 15, 2005 | 97D | Q-ship's quarry | Patrick Berry |
| Wednesday, March 23, 2005 | 14A | Wolf pack member (4) | Mike Shenk |
| Sunday, December 26, 2004 | 56D | Lusitania sinker (2) | Hal Turner |
| Thursday, September 9, 2004 | 15A | One in search of a tin can | Peter Abide |
| Monday, March 29, 2004 | 57A | W.W. II vessel | Barry Silk |
| Friday, March 26, 2004 | 1D | W.W. II predator (2) | Nancy Kavanaugh |
| Tuesday, September 9, 2003 | 45D | The Lusitania's undoer | Robert Zimmerman |
| Wednesday, April 16, 2003 | 31A | W.W. II danger | Elizabeth C. Gorski |
| Sunday, May 19, 2002 | 101D | German sub (9) | Cathy Millhauser |
| Friday, May 10, 2002 | 27A | Wolf pack member (4) | Manny Nosowsky |
| Saturday, March 2, 2002 | 25A | German diver (2) | Jim Page |
| Monday, January 14, 2002 | 18A | W.W. II sub | Michael Shteyman |
| Sunday, November 4, 2001 | 8A | Tin can's target (2) | Manny Nosowsky |
| Sunday, September 23, 2001 | 47D | It may give a sinking feeling | Randolph Ross |
| Tuesday, January 30, 2001 | 15A | Member of a W.W. II wolf pack | David J. Kahn |
| Monday, December 4, 2000 | 41D | Wartime sea menace | Eileen Lexau |
| Sunday, October 22, 2000 | 2D | Sub (2) | Henry Hook |
| Monday, May 15, 2000 | 6D | Depth charge target (2) | Gregory E. Paul |
| Sunday, May 7, 2000 | 12D | Sinker | Patrick D. Berry |
| Monday, April 10, 2000 | 8D | Shipper's worry in W.W. I | Ed Early |
| Monday, March 27, 2000 | 51D | German sub (9) | Dave and Diane Epperson |
| Monday, November 1, 1999 | 44D | Sub that sank Allied ships | Robert Frank |
| Wednesday, September 22, 1999 | 41A | W.W. II menace (5) | Manny Nosowsky |
| Sunday, August 1, 1999 | 20A | One trying to avoid charges? | Randolph Ross |
| Monday, May 31, 1999 | 32A | German sub (9) | Joey Crumley |
| Thursday, May 27, 1999 | 2D | German threat | A. J. Santora |
| Monday, May 10, 1999 | 2D | German sub (9) | Frances Hansen |
| Wednesday, April 28, 1999 | 52D | German sub (9) | Nancy Salomon |
| Friday, April 23, 1999 | 3D | "Das Boot" setting | Harvey Estes |
| Friday, April 16, 1999 | 26A | Depth charge target (2) | John Wolting |
| Tuesday, October 28, 1997 | 22D | W.W. II menace (5) | Bernice Gordon |
| Wednesday, August 27, 1997 | 5A | Part of a wolf pack | Jonathan Schmalzbach |
| Sunday, August 10, 1997 | 95D | Sub (2) | Nancy Nicholson Joline |
| Tuesday, August 5, 1997 | 32D | German sub (9) | William Bernhardt |
| Tuesday, May 13, 1997 | 30D | German sub (9) | Gregory E. Paul |
| Monday, February 24, 1997 | 15A | German sub (9) | Derek Allen |
| Tuesday, February 18, 1997 | 47D | W.W. II predator (2) | F. Piscop |
| Sunday, January 26, 1997 | 6D | W.W. II menace (5) | S. Elliott |
| Wednesday, December 11, 1996 | 42A | Tin can's target (2) | F. & L. Sabin |
| Tuesday, November 26, 1996 | 15A | German sub (9) | S. Spadaccini |
| Friday, October 4, 1996 | 34D | Wolf pack member (4) | M. Ashwood-Smith |
| Friday, April 19, 1996 | 3D | Wolf pack member of W.W. II | A. Micci |
| Sunday, June 18, 1995 | 65D | Sinker of sorts | Rich Norris |
| Friday, March 17, 1995 | 22D | W.W. II craft | Randolph Ross |
| Tuesday, November 8, 1994 | 25D | Ship sinker (2) | Richard Hughes |
| Wednesday, June 1, 1994 | 12D | Convoy chaser | Bob Lubbers |
| Wednesday, January 12, 1994 | 55D | Lusitania sinker (2) | Fred Piscop |
1 result for UBOAT from Variety puzzles.
| Date | Type | Grid | Clue | Author |
|---|---|---|---|---|
| October 20, 2002 | acrostic | Y | Vessel using Enigma ciphers (hyph.) | Emily Cox and Henry Rathvon |
27 results for UBOAT from older pre-Shortz puzzles.
| Date | Grid | Clue | Author | Editor |
|---|---|---|---|---|
| Monday, September 27, 1993 | 58A | R.N. nemesis in W.W. II | Bette Sue Cohen | Taub |
| Wednesday, September 16, 1992 | 52D | German sub | Joel D. Lafargue | Maleska |
| Monday, May 11, 1992 | 61A | German sub of W.W. I | Sidney L. Robbins | Maleska |
| Tuesday, June 25, 1991 | 29D | Lusitania's undoer | Norma Steinberg | Maleska |
| Sunday, June 16, 1991 | 39D | Wolfpack member | Michael J. Parris | Maleska |
| Sunday, June 2, 1991 | 64D | Wolf-pack member | Timothy S. Lewis | Maleska |
| Tuesday, May 21, 1991 | 34A | Lusitania sinker | Peter Swift | Maleska |
| Thursday, January 10, 1991 | 61A | Untersee craft | Frank Miceli | Maleska |
| Monday, December 3, 1990 | 2D | Submarine of W.W. I | Peter Swift | Maleska |
| Sunday, September 9, 1990 | 40D | One of Tirpitz's vessels | Jeanette K. Brill | Maleska |
| Saturday, May 12, 1990 | 15A | One of a wolf pack | Jesse Roarke | Maleska |
| Saturday, April 28, 1990 | 26D | Tirpitz's menace: 1915 | Rhonda Kraus | Maleska |
| Wednesday, January 24, 1990 | 21D | Lusitania sinker | Richard Silvestri | Maleska |
| Sunday, January 14, 1990 | 114D | Sub | Kay Sullivan | Maleska |
| Monday, July 10, 1989 | 11D | "Das Boot," e.g. | Christopher Sherwood | Maleska |
| Wednesday, March 1, 1989 | 49A | Undersea prowler | Betty Jorgensen | Maleska |
| Tuesday, August 2, 1988 | 15A | Destructive craft | Reginald L. Johnson | Maleska |
| Wednesday, September 30, 1987 | 13A | Lusitania's undoer | Mark Diehl | Maleska |
| Thursday, August 27, 1987 | 46D | W.W. I menace | Judith Perry | Maleska |
| Tuesday, June 9, 1987 | 55D | German sub | Whitten | Maleska |
| Sunday, November 30, 1986 | 31D | Corvette's target | Harold B. Counts | Maleska |
| Sunday, May 11, 1986 | 41D | One of Tirpitz's menaces | Virginia P. Abelson | Maleska |
| Saturday, December 21, 1985 | 30D | Untersee craft | Peter G. Snow | Maleska |
| Tuesday, April 2, 1985 | 13A | German sub of W.W. II | Whitten | Maleska |
| Monday, January 7, 1985 | 52D | Untersee craft | Evelyn Benshoof | Maleska |
| Wednesday, April 11, 1984 | 26D | Convoy raider | Bette Sue Cohen | Maleska |
| Monday, March 12, 1984 | 38D | German sub | Johnson | Maleska |