Rudder Indicators - Deck Machinery and Hull Equipment
Marine rudder indicators display the actual angular position and port or starboard direction of a vessel's rudder. They receive signals from a rudder feedback transmitter and provide essential indication at the bridge, steering stand, bridge wings, or steering gear compartment.
ProShipWorks provides end-to-end support to source and supply Rudder Indicators for marine vessels, ship operators, industrial facilities, maintenance teams and procurement departments.
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Product Information
| Product Name | Rudder Indicators |
|---|---|
| Product Category | Deck Machinery and Hull Equipment |
| Product Reference | 82 |
| Brands / Manufacturers | Kongsberg Maritime, Marine Data Systems, Navitron Systems |
| Unit of Measure | Piece |
Key Features
| Key Feature |
|---|
| 1. Clear port and starboard rudder-angle indication |
| 2. Compatible with rudder feedback transmitters |
| 3. Analog or digital display configurations |
| 4. Local and remote repeater capability |
| 5. Marine-grade construction for continuous operation |
Applications of Rudder Indicators
| Application |
|---|
| 1. Wheelhouse and main steering console indication |
| 2. Bridge-wing maneuvering stations |
| 3. Emergency steering and steering gear compartments |
Models & Manufacturers
| Model | Manufacturer |
|---|---|
| RAI-16 | Kongsberg Maritime |
| MD71RDI | Marine Data Systems |
| NT920R | Navitron Systems |
Technical Specifications
| Model | Specification | Value | Unit |
|---|---|---|---|
| RAI-16 | Indication | Port and starboard rudder angle | — |
| MD71RDI | Display type | Digital marine instrument | — |
| NT920R | Function | Remote rudder-angle indication | — |
Standards, Certifications & Class Approval
Review the available standards and approval information relevant to the product. Actual certification, material traceability, inspection and classification requirements depend on the product type, intended application and purchasing specification.
| Applicable Standards & Certification | Common requirements include IEC 60945 for maritime navigation and radiocommunication equipment, IMO Resolution A.694(17), and applicable SOLAS II-1 steering-gear indication requirements. IEC 61162 may apply when serial marine data interfaces are fitted. |
|---|---|
| Class Approval | Type approval may be available from DNV, ABS, Lloyd's Register, Bureau Veritas, or ClassNK depending on the exact manufacturer, model, installation, and vessel class requirements. |
Installation, Maintenance & Safety Information
| Installation Notes | Mount where clearly visible to the helmsman. Connect to the specified rudder feedback transmitter, observe cable shielding and polarity, and calibrate zero and port/starboard travel against the physical rudder position. |
|---|---|
| Maintenance Tips | Regularly compare the indication with the actual rudder position, inspect transmitter linkages and wiring, clean the display, verify illumination and alarms, and recalibrate after steering-gear or feedback-unit maintenance. |
| Safety Notes | Isolate electrical power and secure steering machinery before servicing the transmitter or linkage. Incorrect calibration or reversed port/starboard indication can cause unsafe maneuvering; verify operation through the full permitted rudder travel. |
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