# 46 CFR § 77.09-1: When required

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-46-77.09-1

## Section

- **Citation:** 46 CFR § 77.09-1
- **Heading:** When required
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** September 22, 2026
- **Source:** Publisher's official text
- **Location:** Title 46—Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER H—PASSENGER VESSELS > PART 77—VESSEL CONTROL AND MISCELLANEOUS SYSTEMS AND EQUIPMENT > Subpart 77.09—Radar

## Text

All mechanically propelled vessels of 1,600 gross tons and over in ocean or coastwise service must be fitted with a marine radar system for surface navigation. Facilities for plotting radar readings must be provided on the bridge.
[CGD 75-074, 42 FR 5963, Jan. 31, 1977]

## Nearby sections

- [46 CFR § 77.01-1 § 77.01-1 General.](https://www.frixlaw.com/law-library/statutes/ecfr-46-77.01-1.md)
- [46 CFR § 77.01-3 § 77.01-3 Incorporation by reference.](https://www.frixlaw.com/law-library/statutes/ecfr-46-77.01-3.md)
- [46 CFR § 77.03-1 § 77.03-1 Installation and details.](https://www.frixlaw.com/law-library/statutes/ecfr-46-77.03-1.md)
- [46 CFR § 77.05-1 § 77.05-1 Installation and details.](https://www.frixlaw.com/law-library/statutes/ecfr-46-77.05-1.md)
- [46 CFR § 77.06-1 § 77.06-1 Installation.](https://www.frixlaw.com/law-library/statutes/ecfr-46-77.06-1.md)
- [46 CFR § 77.07-1 § 77.07-1 Application.](https://www.frixlaw.com/law-library/statutes/ecfr-46-77.07-1.md)
- [46 CFR § 77.07-5 § 77.07-5 Ocean, coastwise, or Great Lakes service.](https://www.frixlaw.com/law-library/statutes/ecfr-46-77.07-5.md)
- [46 CFR § 77.07-10 § 77.07-10 Lakes, bays, and sounds, or river service.](https://www.frixlaw.com/law-library/statutes/ecfr-46-77.07-10.md)
- [46 CFR § 77.07-90 § 77.07-90 Vessels contracted for prior to November 19, 1952.](https://www.frixlaw.com/law-library/statutes/ecfr-46-77.07-90.md)
- [46 CFR § 77.09-1 § 77.09-1 When required.](https://www.frixlaw.com/law-library/statutes/ecfr-46-77.09-1.md)
- [46 CFR § 77.11-1 § 77.11-1 When required.](https://www.frixlaw.com/law-library/statutes/ecfr-46-77.11-1.md)
- [46 CFR § 77.27-1 § 77.27-1 When required.](https://www.frixlaw.com/law-library/statutes/ecfr-46-77.27-1.md)
- [46 CFR § 77.30-1 § 77.30-1 Application.](https://www.frixlaw.com/law-library/statutes/ecfr-46-77.30-1.md)
- [46 CFR § 77.30-5 § 77.30-5 General.](https://www.frixlaw.com/law-library/statutes/ecfr-46-77.30-5.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-46-77.09-1. Check the current official text before relying on it. Not legal advice.