Versions of 33 CFR Part 147 - Safety Zones on LawServer 2024 33 CFR Part 147 – Safety Zones 2023 33 CFR PART 147 – SAFETY ZONES 2022 33 CFR Part 147 – Safety Zones 2021 33 CFR Part 147 – Safety Zones 2020 33 CFR Part 147 – Safety Zones