Air warfare

Air superiority, close air support, strategic bombing, and the agility/detection math that decides who holds a region’s sky. Winning the air war pays off on the ground and at sea both.

Guides

Air-superiority guide

How HOI4 air superiority actually works — how a region's superiority is computed from planes and pixels, the penalty it lays on enemy divisions, how CAS joins a land battle, and the agility, detection and anti-air math behind who holds the sky, all pulled live from the game's own defines.

Key numbers

Air warfare key numbers
WhatValue
Bombing damage multiplier2
CAS effectiveness at night0.1
Max damage reduction from better agility0.45
Radar contribution to air detection0.5
Min air superiority to paradrop0.7

Defines

Technology

Equipment