the helicopter event is one of metagame events. It occures only once (unless it's altered in the sandbox settings prior to starting a playthrough). The helicopter event will occur.
ProjectZomboid Helicopter
ProjectZomboid Helicopter Event
Zomboid HelicopterMeme
Project Zomboid Helicopter EventExpanded Blue
Project ZomboidGas Station
Helicopter Meta EventProject Zomboid TF2 Meme
Expanded Helicopter EventsAirDrop Zomboid
Project ZomboidBuilds
Project ZomboidGameplay
Expanded Helicopter Events ZomboidFlyer
Project ZomboidLogo
Project Zomboid Helicopter EventsEmergency Flyers
Helicopter EventP-Z
