navrules

reference corpus · status live · category STD (Standards, specs & regulations) · lane A · refresh pinned

What an agent uses it for

a mariner, boater, or agent writing navigation software queries this for the actual text of Rule 7 risk of collision, Rule 9 narrow channels, lights, sound signals

Use it
xerj corpus add --from https://raw.githubusercontent.com/xerj-org/xerj/corpus-hub/tools/xerj-code/hub/navrules.json
xerj corpus index navrules → xerj code navrules "your question"

Sources & pins

source	pin	licence	size	review note
corpus-navrules	4d535668c906…	US-government public domain (USCG)	270.5 KB / 44 files	COMDTINST M16672.2D Navigation Rules International-Inland, per-rule text (38 rules + 5 annexes) extracted with pypdf from the PDF USCG navcen still serves at its canonical URL; provenance per file in MANIFEST.tsv; currency caveat (2024 Handbook M16672.2F supersedes, PDF not retrievable at build time) stated in README. G7 4/5 pass 5/5 relevant. Evidence: backlog/g7-night2-2026-10-04-graded.json

270.5 KB across 44 files · added 2026-10-04

Rights

US-government public domain (USCG) — redistribution permitted with attribution per the licence review . The review block records a human opening each licence file at the pin; detector output is a hint, never the verdict.

Retrieval spot-check (G7)

median 4.5/5 relevant —

Q: how must a vessel determine if risk of collision exists
expect: rules/rule-07-risk-of-collision.txt
top-5: corpus-navrules/rules/rule-07-risk-of-collision.txt:1 · corpus-navrules/src/navrules.pdf · corpus-navrules/src/navrules.pdf · corpus-navrules/rules/rule-07-risk-of-collision.txt:33 · corpus-navrules/rules/rule-19-conduct-of-vessels-in-restricted-visibility.txt:33
grade: relevant

Q: lookout requirement sight and hearing
expect: rules/rule-05-look-out.txt
top-5: corpus-navrules/rules/rule-05-look-out.txt:1 · corpus-navrules/src/navrules.pdf · corpus-navrules/src/navrules.pdf · corpus-navrules/rules/rule-34-maneuvering-and-warning-signals.txt:1 · corpus-navrules/rules/rule-34-maneuvering-and-warning-signals.txt:33
grade: partial

Q: factors to consider in determining safe speed
expect: rules/rule-06-safe-speed.txt
top-5: corpus-navrules/rules/rule-06-safe-speed.txt:1 · corpus-navrules/rules/rule-06-safe-speed.txt:32 · corpus-navrules/src/navrules.pdf · corpus-navrules/src/navrules.pdf · corpus-navrules/rules/rule-19-conduct-of-vessels-in-restricted-visibility.txt:1
grade: relevant

Q: proceeding along a narrow channel which side to keep
expect: rules/rule-09-narrow-channels.txt
top-5: corpus-navrules/src/navrules.pdf · corpus-navrules/src/navrules.pdf · corpus-navrules/rules/rule-09-narrow-channels.txt · corpus-navrules/rules/rule-09-narrow-channels.txt · corpus-navrules/rules/rule-15-crossing-situation.txt:1
grade: relevant

Q: two power-driven vessels crossing which vessel gives way
expect: rules/rule-15-crossing-situation.txt
top-5: corpus-navrules/rules/rule-15-crossing-situation.txt:34 · corpus-navrules/rules/rule-15-crossing-situation.txt:1 · corpus-navrules/rules/rule-17-action-by-stand-on-vessel.txt · corpus-navrules/src/navrules.pdf · corpus-navrules/src/navrules.pdf
grade: relevant