46 CFR § 173.010 - Definitions.

---
identifier: "/us/cfr/t46/s173.010"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 173.010 - Definitions."
title_number: 46
title_name: "Shipping"
section_number: "173.010"
section_name: "Definitions."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "S"
subchapter_name: "SUBDIVISION AND STABILITY"
part_number: "173"
part_name: "SPECIAL RULES PERTAINING TO VESSEL USE"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "43 U.S.C. 1333; 46 U.S.C. 2113, 3306, 5115; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; DHS Delegation No. 00170.1, Revision No. 01.3."
regulatory_source: "CGD 79-023, 48 FR 51045, Nov. 4, 1983, unless otherwise noted."
cfr_part: "173"
---


# 173.010 Definitions.

As used in this part—

(a) *Hook load* means the weight of the object lifted by the crane.

(b) *Crane radius* means the distance illustrated in Figure 173.010.