Temporarily disable other lighting or weather mods (e.g., Twinkle Toes , Realistic Sunlight ).
Ultimate Guide to Fixing Coolspear Simulation Lag If you play heavily modded flight simulators, you have likely encountered "Coolspear"—a legendary community developer known for creating highly detailed, realistic AI traffic models and airport ground service modifications. While these mods drastically improve realism, they are notoriously resource-intensive. coolspear simulation lag fix full
Last updated: April 2026 – Tested on game v1.112+ Temporarily disable other lighting or weather mods (e