void main()
{

object oPC = GetEnteringObject();


if (GetItemPossessedBy(oPC, "dragoncall")== OBJECT_INVALID)
   {
   string oDeny= "You see a dragon circling high above, He notices you but makes no attempt to land.........";
   SendMessageToPC(oPC, oDeny);
   return;
   }


    {
        effect eArrive = EffectAppear();
        object oWP = GetObjectByTag("wp_landing");
        object oFlyer = GetObjectByTag("DRAGON_FLYER");

    AssignCommand( oFlyer, ClearAllActions());
    DelayCommand( 0.5,  ApplyEffectToObject( DURATION_TYPE_TEMPORARY, eArrive, oFlyer, 6.0 ));
    AssignCommand( oFlyer, ActionJumpToObject( oWP ));
    }
}