33 CFR § 169.230 - How often must a ship transmit position reports?

---
identifier: "/us/cfr/t33/s169.230"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 169.230 - How often must a ship transmit position reports?"
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "169.230"
section_name: "How often must a ship transmit position reports?"
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "P"
subchapter_name: "PORTS AND WATERWAYS SAFETY"
part_number: "169"
part_name: "SHIP REPORTING SYSTEMS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 70005, 70034, 70115, Department of Homeland Security Delegation No. 0170.1."
regulatory_source: "USCG-1999-5525, 64 FR 29234, June 1, 1999, unless otherwise noted."
cfr_part: "169"
---


# 169.230 How often must a ship transmit position reports?

A ship's LRIT equipment must transmit position reports at 6-hour intervals unless a more frequent interval is requested remotely by an LRIT Data Center.