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| Subpart 113.37 | Shaft Speed and Thrust Indicators | 113.37-1 – 113.37-10 | |||||||||
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46 U.S.C. 3306, 3703; DHS Delegation No. 00170.1, Revision No. 01.2.
CGD 74-125A, 47 FR 15272, Apr. 8, 1982, unless otherwise noted.
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This subpart applies to all self-propelled vessels.
(a) A vessel equipped with fixed pitch propellers must have on the navigating bridge and at the engineroom control station a propeller speed and direction indicator for each shaft.
(b) A vessel equipped with controllable pitch propellers must have on the navigating bridge and at the engineroom control station a propeller speed and pitch position indicator for each shaft.
[CGD 74-125A, 47 FR 15272, Apr. 8, 1982, as amended by CGD 94-108, 61 FR 28290, June 4, 1996]
(a) Each indicator must be independent of the propulsion control system. A failure of the propulsion control system must not affect the operation of the indicators.
(b) Each electric component or its enclosure must meet Type 4 or 4X of NEMA 250 or IP 56 of IEC 60529:2013 (both incorporated by reference; see § 110.10-1 of this subpart) requirements.
[CGD 74-125A, 47 FR 15272, Apr. 8, 1982, as amended by CGD 94-108, 61 FR 28290, June 4, 1996; USCG-2003-16630, 73 FR 65202, Oct. 31, 2008; USCG-2020-0075, 88 FR 16369, Mar. 16, 2023]