33 CFR Part 117 - Subpart A - General Requirements
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- § 117.1 Purpose.
- § 117.4 Definitions.
- § 117.5 When the drawbridge must open.
- § 117.7 General requirements of drawbridge owners.
- § 117.8 Permanent changes to drawbridge operation.
- § 117.9 Delaying opening of a draw.
- § 117.11 Unnecessary opening of the draw.
- § 117.15 Signals.
- § 117.17 Signalling for contiguous drawbridges.
- § 117.19 Signalling when two or more vessels are approaching a drawbridge.
- § 117.21 Signalling for an opened drawbridge.
- § 117.23 Installation of radiotelephones.
- § 117.24 Radiotelephone installation identification.
- § 117.31 Drawbridge operations for emergency vehicles and emergency vessels.
- § 117.33 Closure of draw for natural disasters or civil disorders.
- § 117.35 Temporary change to a drawbridge operating schedule.
- § 117.36 Closure of drawbridge for emergency repair.
- § 117.39 Authorized closure of drawbridge due to infrequent requests for openings.
- § 117.40 Advance notice for drawbridge opening.
- § 117.41 Maintaining drawbridges in the fully open position.
- § 117.42 Remotely operated and automated drawbridges.
- § 117.47 Clearance gauges.
- § 117.49 Process of violations.