# 33 CFR § 165.8: Geographic coordinates

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-33-165.8

## Section

- **Citation:** 33 CFR § 165.8
- **Heading:** Geographic coordinates
- **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 P—PORTS AND WATERWAYS SAFETY > PART 165—REGULATED NAVIGATION AREAS AND LIMITED ACCESS AREAS > Subpart A—General

## Text

Geographic coordinates expressed in terms of latitude or longitude, or both, are not intended for plotting on maps or charts whose referenced horizontal datum is the North American Datum of 1983 (NAD 83), unless such geographic coordinates are expressly labeled NAD 83. Geographic coordinates without the NAD 83 reference may be plotted on maps or charts referenced to NAD 83 only after application of the appropriate corrections that are published on the particular map or chart being used.
[CGD 86-082, 52 FR 33811, Sept. 8, 1987]

## Nearby sections

- [33 CFR § 165.1 § 165.1 Purpose of part.](https://www.frixlaw.com/law-library/statutes/ecfr-33-165.1.md)
- [33 CFR § 165.3 § 165.3 Definitions.](https://www.frixlaw.com/law-library/statutes/ecfr-33-165.3.md)
- [33 CFR § 165.5 § 165.5 Establishment procedures.](https://www.frixlaw.com/law-library/statutes/ecfr-33-165.5.md)
- [33 CFR § 165.7 § 165.7 Notification.](https://www.frixlaw.com/law-library/statutes/ecfr-33-165.7.md)
- [33 CFR § 165.8 § 165.8 Geographic coordinates.](https://www.frixlaw.com/law-library/statutes/ecfr-33-165.8.md)
- [33 CFR § 165.9 § 165.9 Geographic application of limited and controlled access areas and regulated navigation areas.](https://www.frixlaw.com/law-library/statutes/ecfr-33-165.9.md)
- [33 CFR § 165.10 § 165.10 Regulated navigation areas.](https://www.frixlaw.com/law-library/statutes/ecfr-33-165.10.md)
- [33 CFR § 165.11 § 165.11 Vessel operating requirements (regulations).](https://www.frixlaw.com/law-library/statutes/ecfr-33-165.11.md)
- [33 CFR § 165.13 § 165.13 General regulations.](https://www.frixlaw.com/law-library/statutes/ecfr-33-165.13.md)
- [33 CFR § 165.20 § 165.20 Safety zones.](https://www.frixlaw.com/law-library/statutes/ecfr-33-165.20.md)
- [33 CFR § 165.23 § 165.23 General regulations.](https://www.frixlaw.com/law-library/statutes/ecfr-33-165.23.md)
- [33 CFR § 165.30 § 165.30 Security zones.](https://www.frixlaw.com/law-library/statutes/ecfr-33-165.30.md)
- [33 CFR § 165.33 § 165.33 General regulations.](https://www.frixlaw.com/law-library/statutes/ecfr-33-165.33.md)
- [33 CFR § 165.40 § 165.40 Restricted waterfront areas.](https://www.frixlaw.com/law-library/statutes/ecfr-33-165.40.md)

---

Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-33-165.8. Check the current official text before relying on it. Not legal advice.