diff --git a/resources/sql/autopatches/20170907.ferret.25.event.doc.sql b/resources/sql/autopatches/20170907.ferret.25.event.doc.sql
new file mode 100644
--- /dev/null
+++ b/resources/sql/autopatches/20170907.ferret.25.event.doc.sql
@@ -0,0 +1,9 @@
+CREATE TABLE {$NAMESPACE}_calendar.calendar_event_fdocument (
+  id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
+  objectPHID VARBINARY(64) NOT NULL,
+  isClosed BOOL NOT NULL,
+  authorPHID VARBINARY(64),
+  ownerPHID VARBINARY(64),
+  epochCreated INT UNSIGNED NOT NULL,
+  epochModified INT UNSIGNED NOT NULL
+) ENGINE=InnoDB, COLLATE {$COLLATE_TEXT};
diff --git a/resources/sql/autopatches/20170907.ferret.26.event.field.sql b/resources/sql/autopatches/20170907.ferret.26.event.field.sql
new file mode 100644
--- /dev/null
+++ b/resources/sql/autopatches/20170907.ferret.26.event.field.sql
@@ -0,0 +1,8 @@
+CREATE TABLE {$NAMESPACE}_calendar.calendar_event_ffield (
+  id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
+  documentID INT UNSIGNED NOT NULL,
+  fieldKey VARCHAR(4) NOT NULL COLLATE {$COLLATE_TEXT},
+  rawCorpus LONGTEXT NOT NULL COLLATE {$COLLATE_SORT},
+  termCorpus LONGTEXT NOT NULL COLLATE {$COLLATE_SORT},
+  normalCorpus LONGTEXT NOT NULL COLLATE {$COLLATE_SORT}
+) ENGINE=InnoDB, COLLATE {$COLLATE_TEXT};
diff --git a/resources/sql/autopatches/20170907.ferret.27.event.ngrams.sql b/resources/sql/autopatches/20170907.ferret.27.event.ngrams.sql
new file mode 100644
--- /dev/null
+++ b/resources/sql/autopatches/20170907.ferret.27.event.ngrams.sql
@@ -0,0 +1,5 @@
+CREATE TABLE {$NAMESPACE}_calendar.calendar_event_fngrams (
+  id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
+  documentID INT UNSIGNED NOT NULL,
+  ngram CHAR(3) NOT NULL COLLATE {$COLLATE_TEXT}
+) ENGINE=InnoDB, COLLATE {$COLLATE_TEXT};
diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -2208,6 +2208,7 @@
     'PhabricatorCalendarEventEmailCommand' => 'applications/calendar/command/PhabricatorCalendarEventEmailCommand.php',
     'PhabricatorCalendarEventEndDateTransaction' => 'applications/calendar/xaction/PhabricatorCalendarEventEndDateTransaction.php',
     'PhabricatorCalendarEventExportController' => 'applications/calendar/controller/PhabricatorCalendarEventExportController.php',
+    'PhabricatorCalendarEventFerretEngine' => 'applications/calendar/search/PhabricatorCalendarEventFerretEngine.php',
     'PhabricatorCalendarEventForkTransaction' => 'applications/calendar/xaction/PhabricatorCalendarEventForkTransaction.php',
     'PhabricatorCalendarEventFrequencyTransaction' => 'applications/calendar/xaction/PhabricatorCalendarEventFrequencyTransaction.php',
     'PhabricatorCalendarEventFulltextEngine' => 'applications/calendar/search/PhabricatorCalendarEventFulltextEngine.php',
@@ -7446,6 +7447,7 @@
       'PhabricatorFlaggableInterface',
       'PhabricatorSpacesInterface',
       'PhabricatorFulltextInterface',
+      'PhabricatorFerretInterface',
       'PhabricatorConduitResultInterface',
     ),
     'PhabricatorCalendarEventAcceptTransaction' => 'PhabricatorCalendarEventReplyTransaction',
@@ -7466,6 +7468,7 @@
     'PhabricatorCalendarEventEmailCommand' => 'MetaMTAEmailTransactionCommand',
     'PhabricatorCalendarEventEndDateTransaction' => 'PhabricatorCalendarEventDateTransaction',
     'PhabricatorCalendarEventExportController' => 'PhabricatorCalendarController',
+    'PhabricatorCalendarEventFerretEngine' => 'PhabricatorFerretEngine',
     'PhabricatorCalendarEventForkTransaction' => 'PhabricatorCalendarEventTransactionType',
     'PhabricatorCalendarEventFrequencyTransaction' => 'PhabricatorCalendarEventTransactionType',
     'PhabricatorCalendarEventFulltextEngine' => 'PhabricatorFulltextEngine',
diff --git a/src/applications/calendar/search/PhabricatorCalendarEventFerretEngine.php b/src/applications/calendar/search/PhabricatorCalendarEventFerretEngine.php
new file mode 100644
--- /dev/null
+++ b/src/applications/calendar/search/PhabricatorCalendarEventFerretEngine.php
@@ -0,0 +1,18 @@
+<?php
+
+final class PhabricatorCalendarEventFerretEngine
+  extends PhabricatorFerretEngine {
+
+  public function getApplicationName() {
+    return 'calendar';
+  }
+
+  public function getScopeName() {
+    return 'event';
+  }
+
+  public function newSearchEngine() {
+    return new PhabricatorCalendarEventSearchEngine();
+  }
+
+}
diff --git a/src/applications/calendar/storage/PhabricatorCalendarEvent.php b/src/applications/calendar/storage/PhabricatorCalendarEvent.php
--- a/src/applications/calendar/storage/PhabricatorCalendarEvent.php
+++ b/src/applications/calendar/storage/PhabricatorCalendarEvent.php
@@ -15,6 +15,7 @@
     PhabricatorFlaggableInterface,
     PhabricatorSpacesInterface,
     PhabricatorFulltextInterface,
+    PhabricatorFerretInterface,
     PhabricatorConduitResultInterface {
 
   protected $name;
@@ -1380,6 +1381,14 @@
   }
 
 
+/* -(  PhabricatorFerretInterface  )----------------------------------------- */
+
+
+  public function newFerretEngine() {
+    return new PhabricatorCalendarEventFerretEngine();
+  }
+
+
 /* -(  PhabricatorConduitResultInterface  )---------------------------------- */