diff --git a/ft8af/app/src/main/assets/rigaddress.txt b/ft8af/app/src/main/assets/rigaddress.txt
index a1a09823f..6020e90e2 100644
--- a/ft8af/app/src/main/assets/rigaddress.txt
+++ b/ft8af/app/src/main/assets/rigaddress.txt
@@ -75,3 +75,4 @@ UA3REO Wolf SDR(USB),00,4800,16
 (tr)uSDX (TS-480),00,9600,7
 Yaesu FT-891 (Hamlib),40C,38400,26
 ICOM IC-7300MK2,B6,115200,0
+YAESU FTX-1(USB),00,38400,2
diff --git a/ft8af/app/src/test/java/com/k1af/ft8af/database/RigAddressAssetTest.java b/ft8af/app/src/test/java/com/k1af/ft8af/database/RigAddressAssetTest.java
index 58210ff36..94eb3f3fc 100644
--- a/ft8af/app/src/test/java/com/k1af/ft8af/database/RigAddressAssetTest.java
+++ b/ft8af/app/src/test/java/com/k1af/ft8af/database/RigAddressAssetTest.java
@@ -15,7 +15,8 @@
  * exercises getRigNamesFromFile / getRigNameByIndex / getIndexByAddress,
  * which {@link RigNameListTest} can't reach without a Context).
  *
- * <p>Two invariants matter here beyond the IC-7300MK2 entry itself:
+ * <p>Per-rig checks pin the profiles of recently added entries (IC-7300MK2,
+ * FTX-1). Two invariants matter beyond those:
  * <ul>
  *   <li><b>New rigs must be appended, existing lines must not move</b>: the
  *       selected model is persisted as a raw index into this list
@@ -24,7 +25,7 @@
  *       selected rig on upgrade. {@link #rigList_matchesGoldenIndexOrder} pins
  *       every entry to its index; when you add a rig, append it to both the
  *       asset file and the end of {@code GOLDEN_ORDER}.</li>
- *   <li>Its CI-V address (0xB6) is unique in the list, so
+ *   <li>The IC-7300MK2's CI-V address (0xB6) is unique in the list, so
  *       {@link RigNameList#getIndexByAddress(int)} maps it unambiguously.</li>
  * </ul>
  */
@@ -114,6 +115,7 @@ public class RigAddressAssetTest {
         "(tr)uSDX (TS-480)",
         "Yaesu FT-891 (Hamlib)",
         "ICOM IC-7300MK2",
+        "YAESU FTX-1(USB)",
     };
 
     private RigNameList load() {
@@ -158,11 +160,30 @@ public void rigList_matchesGoldenIndexOrder() {
     }
 
     @Test
-    public void ic7300mk2_isTheLastEntry() {
-        // New rigs are append-only (class javadoc); MK2 closed the list.
+    public void lastEntry_isTheLastGoldenName() {
+        // New rigs are append-only (class javadoc): the loaded list must end
+        // with the newest GOLDEN_ORDER entry. Pinned to the array rather than a
+        // model name so appending a rig doesn't mean rewriting this test.
         RigNameList list = load();
         assertThat(list.rigList.get(list.rigList.size() - 1).modelName)
-                .isEqualTo("ICOM IC-7300MK2");
+                .isEqualTo(GOLDEN_ORDER[GOLDEN_ORDER.length - 1]);
+    }
+
+    @Test
+    public void ftx1_usesTheFt891991UsbProfile() {
+        // A user reported (issue #931) working CAT on the FTX-1 with the
+        // "FT-891/991(USB)" entry: same 38400 baud and 9-digit Yaesu gen-3
+        // command set, so the named entry mirrors that profile exactly.
+        RigNameList list = load();
+        RigNameList.RigName ftx1 = findByName(list, "YAESU FTX-1(USB)");
+        RigNameList.RigName ft891 = findByName(list, "YAESU FT-891/991(USB)");
+        assertThat(ftx1).isNotNull();
+        assertThat(ft891).isNotNull();
+        assertThat(ftx1.bauRate).isEqualTo(38400);
+        assertThat(ftx1.instructionSet).isEqualTo(2); // InstructionSet.YAESU_3_9
+        assertThat(ftx1.address).isEqualTo(ft891.address);
+        assertThat(ftx1.bauRate).isEqualTo(ft891.bauRate);
+        assertThat(ftx1.instructionSet).isEqualTo(ft891.instructionSet);
     }
 
     @Test