diff --git a/docs/SpacePort.pod b/docs/SpacePort.pod
index 65aa6bf3..e41e55ad 100644
--- a/docs/SpacePort.pod
+++ b/docs/SpacePort.pod
@@ -173,6 +173,24 @@ Provides a list of incoming ships and ships that are available to send to a spec
         },
         ...
     ],
+    "unavailable" : [
+	{
+           "reason" : [1009, "You can't send a detonator to a star."],
+ 	   "ship" : {
+            	"id" : "id-goes-here",
+            	"name" : "D13",
+           	"type_human" : "Detonator",
+           	"type" : "detonator",
+            	"task" : "Docked",
+            	"speed" : "700",
+            	"stealth" : "0",
+            	"hold_size" : "0",
+            	"date_started" : "01 31 2010 13:09:05 +0600",
+            	"date_available" : "01 31 2010 13:09:05 +0600"
+            }
+        },
+        ...
+    ],
     "mining_platforms" : [
         {
             empire_id   =>  "id-goes-here",
@@ -183,7 +201,7 @@ Provides a list of incoming ships and ships that are available to send to a spec
     "status" : { ... }
  }
 
-The C<mining_platforms> block will be returned only if the target is an asteroid that has platforms on it.
+The C<unavailable> block tells you about ships that are docked, but are for some reason not available to be used. The C<mining_platforms> block will be returned only if the target is an asteroid that has platforms on it.
 
 =head3 session_id
 
diff --git a/lib/Lacuna/DB/Result/Ships.pm b/lib/Lacuna/DB/Result/Ships.pm
index 9f8b732c..e6d4c25a 100644
--- a/lib/Lacuna/DB/Result/Ships.pm
+++ b/lib/Lacuna/DB/Result/Ships.pm
@@ -78,7 +78,7 @@ sub is_available {
 }
 
 sub can_send_to_target {
-    confess [1009, 'Cannot send that type of ship using this method.'];
+    confess [1009, 'Cannot be used in that manner.'];
 }
 
 sub type_formatted {
diff --git a/lib/Lacuna/RPC/Building/SpacePort.pm b/lib/Lacuna/RPC/Building/SpacePort.pm
index 94a3bcdc..cdccf248 100644
--- a/lib/Lacuna/RPC/Building/SpacePort.pm
+++ b/lib/Lacuna/RPC/Building/SpacePort.pm
@@ -68,19 +68,24 @@ sub get_ships_for {
         push @incoming, $ship->get_status;
     }
     
+    my @unavailable;
     my @available;
     my $available_rs = $ships->search({task => 'Docked'});
-    while (my $ship = $incoming_rs->next) {
+    while (my $ship = $available_rs->next) {
         eval{ $ship->can_send_to_target($target) };
-        next if $@;
+        if ($@) {
+    	    push @unavailable, { ship => $ship->get_status, reason => $@ };
+            next;
+        }
         $ship->body($body);
-        push @incoming, $ship->get_status;
+        push @available, $ship->get_status;
     }
     
     my %out = (
         status      => $self->format_status($empire, $body),
         incoming    => \@incoming,
         available   => \@available,
+        unavailable => \@unavailable,
     );
     
     if ($target->isa('Lacuna::DB::Result::Map::Body::Asteroid')) {