diff --git a/src/core/StatsSchemas.ts b/src/core/StatsSchemas.ts
index 8543f4bab3..b6cc07fd4b 100644
--- a/src/core/StatsSchemas.ts
+++ b/src/core/StatsSchemas.ts
@@ -22,10 +22,10 @@ export const BoatUnitSchema = z.enum(boatUnits);
 export type BoatUnit = z.infer<typeof BoatUnitSchema>;
 export type BoatUnitType = UnitType.TradeShip | UnitType.TransportShip;
 
-// export const unitTypeToBoatUnit = {
-//   [UnitType.TradeShip]: "trade",
-//   [UnitType.TransportShip]: "trans",
-// } as const satisfies Record<BoatUnitType, BoatUnit>;
+export const unitTypeToBoatUnit = {
+  [UnitType.TradeShip]: "trade",
+  [UnitType.TransportShip]: "trans",
+} as const satisfies Record<BoatUnitType, BoatUnit>;
 
 export const otherUnits = [
   "city",
diff --git a/src/core/execution/TradeShipExecution.ts b/src/core/execution/TradeShipExecution.ts
index 5c9d4b484e..a94f59d06b 100644
--- a/src/core/execution/TradeShipExecution.ts
+++ b/src/core/execution/TradeShipExecution.ts
@@ -56,7 +56,13 @@ export class TradeShipExecution implements Execution {
         targetUnit: this._dstPort,
         lastSetSafeFromPirates: ticks,
       });
-      this.mg.stats().boatSendTrade(this.origOwner, this._dstPort.owner());
+      this.mg
+        .stats()
+        .boatSendTrade(
+          this.origOwner,
+          this._dstPort.owner(),
+          UnitType.TradeShip,
+        );
     }
 
     if (!this.tradeShip.isActive()) {
@@ -187,7 +193,12 @@ export class TradeShipExecution implements Execution {
       // Record stats
       this.mg
         .stats()
-        .boatCapturedTrade(this.tradeShip!.owner(), this.origOwner, gold);
+        .boatCapturedTrade(
+          this.tradeShip!.owner(),
+          this.origOwner,
+          UnitType.TradeShip,
+          gold,
+        );
     } else {
       this.srcPort.owner().addGold(gold);
       this._dstPort.owner().addGold(gold, this._dstPort.tile());
@@ -214,7 +225,12 @@ export class TradeShipExecution implements Execution {
       // Record stats
       this.mg
         .stats()
-        .boatArriveTrade(this.srcPort.owner(), this._dstPort.owner(), gold);
+        .boatArriveTrade(
+          this.srcPort.owner(),
+          this._dstPort.owner(),
+          UnitType.TradeShip,
+          gold,
+        );
     }
     return;
   }
diff --git a/src/core/execution/TransportShipExecution.ts b/src/core/execution/TransportShipExecution.ts
index 77ad21327e..bc4a3801f6 100644
--- a/src/core/execution/TransportShipExecution.ts
+++ b/src/core/execution/TransportShipExecution.ts
@@ -158,7 +158,12 @@ export class TransportShipExecution implements Execution {
     // Record stats
     this.mg
       .stats()
-      .boatSendTroops(this.attacker, this.target, this.boat.troops());
+      .boatSendTroops(
+        this.attacker,
+        this.target,
+        UnitType.TransportShip,
+        this.boat.troops(),
+      );
   }
 
   tick(ticks: number) {
@@ -241,7 +246,12 @@ export class TransportShipExecution implements Execution {
           // Record stats
           this.mg
             .stats()
-            .boatArriveTroops(this.attacker, this.target, survivors);
+            .boatArriveTroops(
+              this.attacker,
+              this.target,
+              UnitType.TransportShip,
+              survivors,
+            );
           if (deaths) {
             this.mg.displayMessage(
               "events_display.attack_cancelled_retreat",
@@ -273,7 +283,12 @@ export class TransportShipExecution implements Execution {
         // Record stats
         this.mg
           .stats()
-          .boatArriveTroops(this.attacker, this.target, this.boat.troops());
+          .boatArriveTroops(
+            this.attacker,
+            this.target,
+            UnitType.TransportShip,
+            this.boat.troops(),
+          );
         return;
       case PathStatus.NEXT:
         this.boat.move(result.node);
diff --git a/src/core/game/Stats.ts b/src/core/game/Stats.ts
index 7e508002ca..09e294365c 100644
--- a/src/core/game/Stats.ts
+++ b/src/core/game/Stats.ts
@@ -1,5 +1,10 @@
 import { AllPlayersStats } from "../Schemas";
-import { NukeType, OtherUnitType, PlayerStats } from "../StatsSchemas";
+import {
+  BoatUnitType,
+  NukeType,
+  OtherUnitType,
+  PlayerStats,
+} from "../StatsSchemas";
 import { Player, TerraNullius } from "./Game";
 
 export interface Stats {
@@ -29,25 +34,32 @@ export interface Stats {
   lobbyFillTime(fillTimeMs: number): void;
 
   // Player sends a trade ship to target
-  boatSendTrade(player: Player, target: Player): void;
+  boatSendTrade(player: Player, target: Player, type: BoatUnitType): void;
 
   // Player's trade ship arrives at target, both players earn gold
-  boatArriveTrade(player: Player, target: Player, gold: number | bigint): void;
+  boatArriveTrade(
+    player: Player,
+    target: Player,
+    type: BoatUnitType,
+    gold: number | bigint,
+  ): void;
 
   // Player's trade ship, captured from target, arrives. Player earns gold.
   boatCapturedTrade(
     player: Player,
     target: Player,
+    type: BoatUnitType,
     gold: number | bigint,
   ): void;
 
   // Player destroys target's trade ship
-  boatDestroyTrade(player: Player, target: Player): void;
+  boatDestroyTrade(player: Player, target: Player, type: BoatUnitType): void;
 
   // Player sends a transport ship to target with troops
   boatSendTroops(
     player: Player,
     target: Player | TerraNullius,
+    type: BoatUnitType,
     troops: number | bigint,
   ): void;
 
@@ -55,6 +67,7 @@ export interface Stats {
   boatArriveTroops(
     player: Player,
     target: Player | TerraNullius,
+    type: BoatUnitType,
     troops: number | bigint,
   ): void;
 
@@ -62,6 +75,7 @@ export interface Stats {
   boatDestroyTroops(
     player: Player,
     target: Player,
+    type: BoatUnitType,
     troops: number | bigint,
   ): void;
 
diff --git a/src/core/game/StatsImpl.ts b/src/core/game/StatsImpl.ts
index c2195bf725..eb125d1d8a 100644
--- a/src/core/game/StatsImpl.ts
+++ b/src/core/game/StatsImpl.ts
@@ -7,7 +7,7 @@ import {
   BOAT_INDEX_CAPTURE,
   BOAT_INDEX_DESTROY,
   BOAT_INDEX_SENT,
-  BoatUnit,
+  BoatUnitType,
   BOMB_INDEX_INTERCEPT,
   BOMB_INDEX_LAND,
   BOMB_INDEX_LAUNCH,
@@ -28,6 +28,7 @@ import {
   PLAYER_INDEX_HUMAN,
   PLAYER_INDEX_NATION,
   PlayerStats,
+  unitTypeToBoatUnit,
   unitTypeToBombUnit,
   unitTypeToOtherUnit,
 } from "../StatsSchemas";
@@ -97,10 +98,11 @@ export class StatsImpl implements Stats {
 
   private _addBoat(
     player: Player,
-    type: BoatUnit,
+    boatType: BoatUnitType,
     index: number,
     value: BigIntLike,
   ) {
+    const type = unitTypeToBoatUnit[boatType];
     const p = this._makePlayerStats(player);
     if (p === undefined) return;
     p.boats ??= { [type]: [0n] };
@@ -188,43 +190,60 @@ export class StatsImpl implements Stats {
     this._addBetrayal(player, 1);
   }
 
-  boatSendTrade(player: Player, target: Player): void {
-    this._addBoat(player, "trade", BOAT_INDEX_SENT, 1);
+  boatSendTrade(player: Player, target: Player, type: BoatUnitType): void {
+    this._addBoat(player, type, BOAT_INDEX_SENT, 1);
   }
 
-  boatArriveTrade(player: Player, target: Player, gold: BigIntLike): void {
-    this._addBoat(player, "trade", BOAT_INDEX_ARRIVE, 1);
+  boatArriveTrade(
+    player: Player,
+    target: Player,
+    type: BoatUnitType,
+    gold: BigIntLike,
+  ): void {
+    this._addBoat(player, type, BOAT_INDEX_ARRIVE, 1);
     this._addGold(player, GOLD_INDEX_TRADE, gold);
     this._addGold(target, GOLD_INDEX_TRADE, gold);
   }
 
-  boatCapturedTrade(player: Player, target: Player, gold: BigIntLike): void {
-    this._addBoat(player, "trade", BOAT_INDEX_CAPTURE, 1);
+  boatCapturedTrade(
+    player: Player,
+    target: Player,
+    type: BoatUnitType,
+    gold: BigIntLike,
+  ): void {
+    this._addBoat(player, type, BOAT_INDEX_CAPTURE, 1);
     this._addGold(player, GOLD_INDEX_STEAL, gold);
   }
 
-  boatDestroyTrade(player: Player, target: Player): void {
-    this._addBoat(player, "trade", BOAT_INDEX_DESTROY, 1);
+  boatDestroyTrade(player: Player, target: Player, type: BoatUnitType): void {
+    this._addBoat(player, type, BOAT_INDEX_DESTROY, 1);
   }
 
   boatSendTroops(
     player: Player,
     target: Player | TerraNullius,
+    type: BoatUnitType,
     troops: BigIntLike,
   ): void {
-    this._addBoat(player, "trans", BOAT_INDEX_SENT, 1);
+    this._addBoat(player, type, BOAT_INDEX_SENT, 1);
   }
 
   boatArriveTroops(
     player: Player,
     target: Player | TerraNullius,
+    type: BoatUnitType,
     troops: BigIntLike,
   ): void {
-    this._addBoat(player, "trans", BOAT_INDEX_ARRIVE, 1);
+    this._addBoat(player, type, BOAT_INDEX_ARRIVE, 1);
   }
 
-  boatDestroyTroops(player: Player, target: Player, troops: BigIntLike): void {
-    this._addBoat(player, "trans", BOAT_INDEX_DESTROY, 1);
+  boatDestroyTroops(
+    player: Player,
+    target: Player,
+    type: BoatUnitType,
+    troops: BigIntLike,
+  ): void {
+    this._addBoat(player, type, BOAT_INDEX_DESTROY, 1);
   }
 
   bombLaunch(
diff --git a/src/core/game/UnitImpl.ts b/src/core/game/UnitImpl.ts
index 9444ed70b8..d27f748b15 100644
--- a/src/core/game/UnitImpl.ts
+++ b/src/core/game/UnitImpl.ts
@@ -302,10 +302,17 @@ export class UnitImpl implements Unit {
         case UnitType.TransportShip:
           this.mg
             .stats()
-            .boatDestroyTroops(destroyer, this._owner, this._troops);
+            .boatDestroyTroops(
+              destroyer,
+              this._owner,
+              UnitType.TransportShip,
+              this._troops,
+            );
           break;
         case UnitType.TradeShip:
-          this.mg.stats().boatDestroyTrade(destroyer, this._owner);
+          this.mg
+            .stats()
+            .boatDestroyTrade(destroyer, this._owner, UnitType.TradeShip);
           break;
         case UnitType.City:
         case UnitType.DefensePost:
diff --git a/tests/Stats.test.ts b/tests/Stats.test.ts
index a60f918126..57551c3aed 100644
--- a/tests/Stats.test.ts
+++ b/tests/Stats.test.ts
@@ -61,7 +61,7 @@ describe("Stats", () => {
   });
 
   test("boatSendTrade", () => {
-    stats.boatSendTrade(player1, player2);
+    stats.boatSendTrade(player1, player2, UnitType.TradeShip);
     expect(stats.stats()).toStrictEqual({
       client1: {
         boats: {
@@ -72,7 +72,7 @@ describe("Stats", () => {
   });
 
   test("boatArriveTrade", () => {
-    stats.boatArriveTrade(player1, player2, 1);
+    stats.boatArriveTrade(player1, player2, UnitType.TradeShip, 1);
     expect(stats.stats()).toStrictEqual({
       client1: {
         boats: { trade: [0n, 1n] },
@@ -85,7 +85,7 @@ describe("Stats", () => {
   });
 
   test("boatCapturedTrade", () => {
-    stats.boatCapturedTrade(player1, player2, 1);
+    stats.boatCapturedTrade(player1, player2, UnitType.TradeShip, 1);
     expect(stats.stats()).toStrictEqual({
       client1: {
         boats: { trade: [0n, 0n, 1n] },
@@ -95,7 +95,7 @@ describe("Stats", () => {
   });
 
   test("boatDestroyTrade", () => {
-    stats.boatDestroyTrade(player1, player2);
+    stats.boatDestroyTrade(player1, player2, UnitType.TradeShip);
     expect(stats.stats()).toStrictEqual({
       client1: {
         boats: { trade: [0n, 0n, 0n, 1n] },
@@ -104,7 +104,7 @@ describe("Stats", () => {
   });
 
   test("boatSendTroops", () => {
-    stats.boatSendTroops(player1, player2, 1);
+    stats.boatSendTroops(player1, player2, UnitType.TransportShip, 1);
     expect(stats.stats()).toStrictEqual({
       client1: {
         boats: {
@@ -115,7 +115,7 @@ describe("Stats", () => {
   });
 
   test("boatArriveTroops", () => {
-    stats.boatArriveTroops(player1, player2, 1);
+    stats.boatArriveTroops(player1, player2, UnitType.TransportShip, 1);
     expect(stats.stats()).toStrictEqual({
       client1: {
         boats: { trans: [0n, 1n] },
@@ -124,7 +124,7 @@ describe("Stats", () => {
   });
 
   test("boatDestroyTroops", () => {
-    stats.boatDestroyTroops(player1, player2, 1);
+    stats.boatDestroyTroops(player1, player2, UnitType.TransportShip, 1);
     expect(stats.stats()).toStrictEqual({
       client1: {
         boats: { trans: [0n, 0n, 0n, 1n] },