Unlock the Fireworks item in the game mode or event where it is available
Equip or place the Fireworks item in your loadout or inventory
Use the Fireworks item three times to reach Flight Duration 3
If the game tracks duration differently, keep the Fireworks active until the duration meter reaches 3
Check the challenge or objective requirements to confirm the exact action needed
Repeat the Fireworks usage if the first attempt does not register
Make sure you are in the correct map, mode, or event where Flight Duration counts