diff --git a/src/app/tools/tankopedia/[id]/components/Characteristics/index.tsx b/src/app/tools/tankopedia/[id]/components/Characteristics/index.tsx
index e975042f4..b7be9a102 100644
--- a/src/app/tools/tankopedia/[id]/components/Characteristics/index.tsx
+++ b/src/app/tools/tankopedia/[id]/components/Characteristics/index.tsx
@@ -31,13 +31,15 @@ export function Characteristics() {
   const { tank, turret, gun, engine, track, shell } = useDuel(
     (state) => state.protagonist!,
   );
+  const hasImprovedVentilation = useEquipment(102);
   const provisions = useProvisions();
   const crewMastery = useTankopediaTemporary((state) => state.crewMastery);
-  const provisionCrewBonus = provisions.reduce(
-    (total, provision) =>
-      provision.crew ? total + provision.crew / 100 : total,
-    0,
-  );
+  const provisionCrewBonus =
+    provisions.reduce(
+      (total, provision) =>
+        provision.crew ? total + provision.crew / 100 : total,
+      0,
+    ) + (hasImprovedVentilation ? 0.05 : 0);
   const commanderMastery = crewMastery + provisionCrewBonus;
   const crewMemberMastery = commanderMastery * 1.1;
   const stockEngine = tank.engines[0];
diff --git a/src/core/blitzkrieg/equipmentDefinitions.ts b/src/core/blitzkrieg/equipmentDefinitions.ts
index 65b032f40..ead52a68c 100644
--- a/src/core/blitzkrieg/equipmentDefinitions.ts
+++ b/src/core/blitzkrieg/equipmentDefinitions.ts
@@ -25,3 +25,5 @@ export interface EquipmentDefinitions {
 export const equipmentDefinitions = fetchCdonLz4<EquipmentDefinitions>(
   asset('definitions/equipment.cdon.lz4'),
 );
+
+equipmentDefinitions.then(console.log);