# 33 CFR § 67.05-5: Multiple obstruction lights

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-33-67.05-5

## Section

- **Citation:** 33 CFR § 67.05-5
- **Heading:** Multiple obstruction lights
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** September 22, 2026
- **Source:** Publisher's official text
- **Location:** Title 33—Navigation and Navigable Waters > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER C—AIDS TO NAVIGATION > PART 67—AIDS TO NAVIGATION ON ARTIFICIAL ISLANDS AND FIXED STRUCTURES > Subpart 67.05—General Requirements for Lights

## Text

When more than one obstruction light is required by this part to mark a structure, all such lights shall be operated to flash in unison.

## Nearby sections

- [33 CFR § 67.01-1 § 67.01-1 Scope.](https://www.frixlaw.com/law-library/statutes/ecfr-33-67.01-1.md)
- [33 CFR § 67.01-5 § 67.01-5 Definitions.](https://www.frixlaw.com/law-library/statutes/ecfr-33-67.01-5.md)
- [33 CFR § 67.01-10 § 67.01-10 Delegation of functions.](https://www.frixlaw.com/law-library/statutes/ecfr-33-67.01-10.md)
- [33 CFR § 67.01-15 § 67.01-15 Classification of structures.](https://www.frixlaw.com/law-library/statutes/ecfr-33-67.01-15.md)
- [33 CFR § 67.01-20 § 67.01-20 Prescribing lines of demarcation.](https://www.frixlaw.com/law-library/statutes/ecfr-33-67.01-20.md)
- [33 CFR § 67.01-30 § 67.01-30 Equivalents.](https://www.frixlaw.com/law-library/statutes/ecfr-33-67.01-30.md)
- [33 CFR § 67.05-1 § 67.05-1 Arrangement of obstruction lights.](https://www.frixlaw.com/law-library/statutes/ecfr-33-67.05-1.md)
- [33 CFR § 67.05-5 § 67.05-5 Multiple obstruction lights.](https://www.frixlaw.com/law-library/statutes/ecfr-33-67.05-5.md)
- [33 CFR § 67.05-10 § 67.05-10 Characteristics of obstruction lights.](https://www.frixlaw.com/law-library/statutes/ecfr-33-67.05-10.md)
- [33 CFR § 67.05-15 § 67.05-15 Operating periods of obstruction lights.](https://www.frixlaw.com/law-library/statutes/ecfr-33-67.05-15.md)
- [33 CFR § 67.05-20 § 67.05-20 Minimum lighting requirements.](https://www.frixlaw.com/law-library/statutes/ecfr-33-67.05-20.md)
- [33 CFR § 67.05-25 § 67.05-25 Special lighting requirements.](https://www.frixlaw.com/law-library/statutes/ecfr-33-67.05-25.md)
- [33 CFR § 67.10-1 § 67.10-1 Apparatus requirements.](https://www.frixlaw.com/law-library/statutes/ecfr-33-67.10-1.md)
- [33 CFR § 67.10-5 § 67.10-5 Location requirements.](https://www.frixlaw.com/law-library/statutes/ecfr-33-67.10-5.md)

---

Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-33-67.05-5. Check the current official text before relying on it. Not legal advice.