I Am Air Traffic Controller 4 | Mods

The "Realistic Sound Effects" mod adds accurate and realistic sound effects to the game, including aircraft sounds, radio transmissions, and weather effects.

This is a fan-made airport that does not exist in the vanilla game: Rosetta International . It is a fictional island airport designed to be the ultimate stress test. It features intersecting runways, extremely close-in waypoints, and zero margin for error.

Modding ATC4 requires a bit of manual file management, as the game does not natively support the Steam Workshop for all custom content.

: Replace default voices with localized accents. Pilots flying into London Heathrow will sound British, while domestic flights in Japan utilize localized phrasing.

: While the base game includes an "Original Stage" creator for custom time and wind settings, community members often share tools or flight plan generators to create more varied and challenging levels. Essential Setup Guide

I Am Air Traffic Controller 4 is a superb, challenging simulation, but with the right mods, it becomes a truly personalized, ultra-realistic experience. By upgrading to real-world liveries and enhancing the audio, you can take your airport management skills to the next level.

Find where your game is installed. For Steam users, the default path is usually: C:\Program Files (x86)\Steam\steamapps\common\ATC4\ Step 2: Back Up the "Data" Folder

The global ATC4 modding community categorizes custom content into three primary types. 1. Custom Stages and Schedules (Custom ATC4 Data)

A popular custom scenario for RJTT: