# Reporting of incidents.

- **operation:** document
- **citation:** 33 CFR 156.420
- **title:** Reporting of incidents.
- **source type:** regulation
- **agency:** United States Coast Guard
- **status:** current
- **official:** true
- **published on:** Not available
- **effective on:** 2026-08-18
- **summary:** (a) Any vessel affected by fire, explosion, collision, grounding, or any similar emergency that poses a threat to the vessel(s) engaged in STS Operations must report the incident to the nearest Coast Guard office.

(b) The POAC of an STS operation must report, in accordance with the procedures speci
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- **app url:** https://regulus.evalyn.ai/document/33-cfr-156-420
- **source url:** https://www.ecfr.gov/on/2026-08-18/title-33/section-156.420
**body:**

(a) Any vessel affected by fire, explosion, collision, grounding, or any similar emergency that poses a threat to the vessel(s) engaged in STS Operations must report the incident to the nearest Coast Guard office.

(b) The POAC of an STS operation must report, in accordance with the procedures specified in § 151.15 of this chapter, any incident of discharge of oil into the water.

(c) Immediately after the addressing of resultant safety concerns, all marine casualties must be reported to the nearest COTP, Sector Office, Marine Inspection Office, or OCMI in accordance with 46 CFR part 4.
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- **body characters:** 593