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Autopilots |
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NT921G Small Ship Autopilot
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 Brochure |
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- Fully type approved ISO 11674 & IMO A342(IX)
- Dual Mag inputs
- Dual Gyro inputs
- Built in Radio Navigator interface
- Built in Off Course alarm
- Automatic stability adjustment
- 3 Channel heading outputs
- Full P.I.D. intelligence
- Auto trim
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NT990G Gyro/Mag Autopilot
| Display | Features |
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Brochure |
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- Fully type approved ISO 11674 & IMO A342(IX)
- Dual Mag inputs
- Dual Gyro inputs
- Built in Radio Navigator interface
- Built in Off Course alarm
- Automatic stability adjustment
- 3 Channel heading outputs
- Full P.I.D. intelligence
- Auto trim
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NT921 MKII Small Vessel Autopilot
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Brochure |
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- Specifically designed for Magnetic and / or GPS compass based vessels (typically 10 to 20 metres / 30 to 65ft).
- Dual heading inputs and built in RadioNav (GPS/Track Plotter Interface) to accept cross track error data for waypoint (Track) steering.
- Dual Channel Heading Inputs
- Built in Radio Navigator Interface for selectable (HI and LO) automatic track steering between waypoints.
- Fully automatic stability compensation for variations in rudder speed.
- Three Heading output Channels for Radar Stabilisation
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NT951G Type Approved Autopilot
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Brochure |
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- Type approved to IMO A342(ix) and latest ISO specifications for Mag and Gyro based vessels to approx 2000 gross registered tonnes
- Dual Mag Inputs
- Dual Gyro Inputs
- Built in RadioNav
- Off Course Alarm
- Automatic Stability - Monitors Rudder speed
- 3 x Heading Outputs
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NT991G Autopilot
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Brochure |
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- Wheelmarked and Type Approved to IMO A342(ix) and latest ISO specifications for Gyro based vessels from approx 1800 to 20,000 gross registered tonnes.
- Dual Mag Inputs
- Dual Gyro Inputs
- Programmable Rate of Turn
- Off Course Alarm
- Automatic Stability - Monitors Rudder speed
- Heading & VDR Outputs
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NT921BTI Bow Thruster Interface
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Used in conjunction with a Navitron autopilot system, the NT921 Bow Thruster Interface provides operator selectable Power Steer and fully automatic control of single or dual thruster units and can be compatible with the following Navitron autopilot types NT921MKII, NT921G, NT990G, NT951G and NT991G
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NT920RAI Rudder Angle Indicator
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Brochure |
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Navitron Rudder Angle Indicators (type NT920RAI) can be configured for single or multi head display as add on components to all Navitron autopilot types or as independent (stand-alone) systems employing a dedicated Rudder Angle Transmitter Unit (NT920RTU).
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NT990ASI Analogue Steering Interface
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The NT990ASI is compatible with Navitron autopilot types NT921, NT921 MKII, NT921G/990G and NT951G/991G to provide dual galvanically isolated analogue signal outputs for the control of analogue steering machines or water jets
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NT990DSI Dual Station Interface
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The Navitron NT990DSI is a microprocessor intelligent interface that provides galvanically isolated signal conversions between wheelhouse steering control elements (Autopilot & DP systems etc.) and single or dual loop solenoid operated rudder positioning systems.
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NT920URB Universal Relay Box
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The solid-state (FET) switches incorporated in all Navitron autopilot control unit types are suitable for solenoids in the voltage / current range 11 - 40Vdc / 5A maximum.
When higher voltage solenoids are involved (110 / 220Vac or dc) the Navitron Relay Box type NT920URB provides isolated switching complete with contact suppression.
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