diff --git a/include/prototypes.h b/include/prototypes.h
index ea800e7a..b686a780 100644
--- a/include/prototypes.h
+++ b/include/prototypes.h
@@ -482,7 +482,7 @@ extern double fortrange(struct sctstr *);
 extern int roundrange(double);
 /* list.c */
 extern int shipsatxy(coord, coord, int, int);
-extern int carriersatxy(coord, coord, int, int, natid);
+extern int carriersatxy(coord, coord, natid);
 extern int unitsatxy(coord, coord, int, int);
 extern int planesatxy(coord, coord, int, int, struct emp_qelem *);
 extern int asw_shipsatxy(coord, coord, int, int, struct plnstr *,
@@ -558,6 +558,7 @@ extern void pln_dropoff(struct emp_qelem *, struct ichrstr *,
 extern void pln_mine(struct emp_qelem *list, struct sctstr *sectp);
 extern int pln_capable(struct plnstr *, int, int);
 extern int pln_airbase_ok(struct plnstr *, int, int);
+extern int carrier_planes(struct shpstr *);
 extern void pln_sel(struct nstr_item *, struct emp_qelem *,
 		    struct sctstr *, int, int, int, int);
 extern int pln_arm(struct emp_qelem *, int, char, struct ichrstr *,
diff --git a/src/lib/subs/list.c b/src/lib/subs/list.c
index f2a45aa7..81293f37 100644
--- a/src/lib/subs/list.c
+++ b/src/lib/subs/list.c
@@ -85,12 +85,11 @@ shipsatxy(coord x, coord y, int wantflags, int nowantflags)
 /* This one only shows owned or allied ships */
 
 int
-carriersatxy(coord x, coord y, int wantflags, int nowantflags, natid own)
+carriersatxy(coord x, coord y, natid own)
 {
     int first;
     int ships;
     struct nstr_item ni;
-    struct mchrstr *mp;
     struct shpstr ship;
 
     first = 1;
@@ -102,17 +101,8 @@ carriersatxy(coord x, coord y, int wantflags, int nowantflags, natid own)
 	if (ship.shp_own != own
 	    && getrel(getnatp(ship.shp_own), own) != ALLIED)
 	    continue;
-	if (ship.shp_effic < SHP_AIROPS_EFF)
+	if ((carrier_planes(&ship) & (P_L | P_K)) == 0)
 	    continue;
-	mp = &mchr[(int)ship.shp_type];
-	if (wantflags) {
-	    if ((mp->m_flags & wantflags) == 0)
-		continue;
-	}
-	if (nowantflags) {
-	    if (mp->m_flags & nowantflags)
-		continue;
-	}
 	if (first) {
 	    pr(" #          owner           eff       type\n");
 	    first = 0;
diff --git a/src/lib/subs/plnsub.c b/src/lib/subs/plnsub.c
index 76b51407..c7e47bda 100644
--- a/src/lib/subs/plnsub.c
+++ b/src/lib/subs/plnsub.c
@@ -55,7 +55,6 @@
 #include "ship.h"
 #include "xy.h"
 
-static int carrier_planes(struct shpstr *);
 static int pln_equip(struct plist *, struct ichrstr *, int, char);
 static int fit_plane_on_ship(struct plnstr *, struct shpstr *);
 
@@ -113,8 +112,7 @@ pln_onewaymission(struct sctstr *target, int *shipno, int *flagp)
     flags = *flagp;
 
     /* offer carriers */
-    nships = carriersatxy(target->sct_x, target->sct_y,
-			  M_FLY | M_CHOPPER, 0, player->cnum);
+    nships = carriersatxy(target->sct_x, target->sct_y, player->cnum);
     if (nships) {
 	for (;;) {
 	    if (!(p = getstarg(0, "Carrier #? ", buf)) || !*p)
@@ -384,7 +382,7 @@ pln_capable(struct plnstr *pp, int wantflags, int nowantflags)
  * It's zero if SP can't support air operations due to its type or
  * state (low efficiency).
  */
-static int
+int
 carrier_planes(struct shpstr *sp)
 {
     struct mchrstr *mcp = mchr + sp->shp_type;