Index: binaries/data/mods/public/simulation/ai/common-api/entity.js
===================================================================
--- binaries/data/mods/public/simulation/ai/common-api/entity.js
+++ binaries/data/mods/public/simulation/ai/common-api/entity.js
@@ -233,7 +233,8 @@
 
 		return {
 			"max": +this.get("Attack/" + type +"/MaxRange"),
-			"min": +(this.get("Attack/" + type +"/MinRange") || 0)
+			"min": +(this.get("Attack/" + type +"/MinRange") || 0),
+			"elevationBonus": +(this.get("Attack/" + type + "/ElevationBonus") || 0)
 		};
 	},
 
Index: binaries/data/mods/public/simulation/ai/petra/headquarters.js
===================================================================
--- binaries/data/mods/public/simulation/ai/petra/headquarters.js
+++ binaries/data/mods/public/simulation/ai/petra/headquarters.js
@@ -2475,7 +2475,8 @@
 		this.turnCache.firingStructures = gameState.updatingCollection("diplo-FiringStructures", API3.Filters.hasDefensiveFire(), gameState.getEnemyStructures());
 	for (let ent of this.turnCache.firingStructures.values())
 	{
-		let range = radius + ent.attackRange("Ranged").max;
+		let attack = ent.attackRange("Ranged");
+		let range = radius + attack.max + attack.elevationBonus;
 		if (API3.SquareVectorDistance(ent.position(), pos) < range*range)
 			return true;
 	}