Regulations last checked for updates: May 04, 2025

Title 33 - Navigation and Navigable Waters last revised: Apr 29, 2025
§ 157.440 - Autopilot alarm or indicator.

(a) A tankship owner or operator shall ensure that each installed autopilot unit without automatic manual override has an audible and visual alarm, which is distinct from other required bridge alarms, that will activate if the helm is manually moved while the autopilot is engaged.

(b) A tank barge owner or operator shall ensure that each autopilot unit without automatic manual override installed on the primary towing vessel has a means to clearly indicate the autopilot status and warns personnel of the requirement to disengage the autopilot if positive rudder control is needed.

[CGD 91-045, 61 FR 39790, July 30, 1996]
authority: 33 U.S.C. 1903; 46 U.S.C. 3703,3703a; Department of Homeland Security Delegation No. 0170.1. Subparts G, H, and I are also issued under section 4115(b), Pub. L. 101-380, 104 Stat. 520; Pub. L. 104-55, 109 Stat. 546
source: CGD 74-32, 40 FR 48283, Oct. 14, 1975, unless otherwise noted.
cite as: 33 CFR 157.440