---
kind: "section"
citation: "46 C.F.R. § 77.11-1"
title: "46"
number: "77.11-1"
heading: "When required."
url: "https://uscodex.org/cfr/46/77.11-1"
---

# §77.11-1. When required.

- (a) All mechanically propelled vessels in ocean, coastwise or Great Lakes service must be fitted with a magnetic compass.
- (b) All mechanically propelled vessels 1,600 gross tons and over in ocean or coastwise service must be fitted with a gyrocompass in addition to the magnetic compass.
- (c) Each vessel must have an illuminated repeater for the gyrocompass required under [paragraph (b)](#b) of this section, that is at the main steering stand unless the gyrocompass is illuminated and is at the main steering stand.

## Notes

### Amendments

[CGD 75-074, 42 FR 5963, Jan. 31, 1977]

### Authority

Authority: 46 U.S.C. 3306; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; DHS Delegation No. 00170.1, Revision No. 01.4.

### Source

Source: CGFR 65-50, 30 FR 16953, Dec. 30, 1965, unless otherwise noted.

### Amendments

[CGD 75-074, 42 FR 5963, Jan. 31, 1977]