diff -Nurd -X freeciv.current/diff_ignore freeciv.current/client/goto.c work2/client/goto.c
--- freeciv.current/client/goto.c	Sun Aug 26 11:16:47 2001
+++ work2/client/goto.c	Mon Aug 27 16:33:40 2001
@@ -399,7 +399,7 @@
 	  move_cost = SINGLE_MOVE;
 	} else if (psrctile->move_cost[dir] != -3) {/*is -3 if sea units can move between*/
 	  continue;
-	} else if (unit_flag(punit->type, F_TRIREME) && !is_coastline(x1, y1)) {
+	} else if (unit_flag(punit->type, F_TRIREME) && trireme_loss_pct(unit_owner(punit), x1, y1)>0) {
 	  move_cost = 2*SINGLE_MOVE+1;
 	} else {
 	  move_cost = SINGLE_MOVE;
diff -Nurd -X freeciv.current/diff_ignore freeciv.current/server/gotohand.c work2/server/gotohand.c
--- freeciv.current/server/gotohand.c	Sun Aug 26 12:23:14 2001
+++ work2/server/gotohand.c	Mon Aug 27 16:34:24 2001
@@ -778,7 +778,7 @@
 	if (psrctile->move_cost[dir] != -3 /* is -3 if sea units can move between */
 	    && (dest_x != x1 || dest_y != y1)) /* allow ships to target a shore */
 	  continue;
-	else if (unit_flag(punit->type, F_TRIREME) && !is_coastline(x1, y1)) {
+	else if (unit_flag(punit->type, F_TRIREME) && trireme_loss_pct(unit_owner(punit), x1, y1)>0) {
 	  move_cost = 2*SINGLE_MOVE+1;
 	} else {
 	  move_cost = SINGLE_MOVE;