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e-CFR data is current as of September 21, 2020

Title 46Chapter ISubchapter JPart 113 → Subpart 113.37


Title 46: Shipping
PART 113—COMMUNICATION AND ALARM SYSTEMS AND EQUIPMENT


Subpart 113.37—Shaft Speed and Thrust Indicators


Contents
§113.37-1   Applicability.
§113.37-5   General requirements.
§113.37-10   Detailed requirements.

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§113.37-1   Applicability.

This subpart applies to all self-propelled vessels.

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§113.37-5   General requirements.

(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]

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§113.37-10   Detailed requirements.

(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 (both incorporated by reference; see 46 CFR 110.10-1) 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]

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