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ℹ️ Additional Information
| Condition |
USED/GOOD WORKING CONDITION |
|---|---|
| Manufacturer |
NABCO |
| Product Code |
100.180.00037 |
📦 Guarantee Terms
🗂️ Product Files
🖹 Description
Marine Engine Telegraph (Ahead–Astern Telegraph)
This is a marine engine telegraph, specifically an Ahead–Astern Telegraph manufactured by NABCO (model NC-1-D3-R). It is a critical ship communication device designed to transmit engine commands from the bridge to the engine room with clarity and precision, ensuring safe and efficient vessel operation.
What it is
An engine telegraph is a fundamental component of a ship’s propulsion control and communication system. It allows officers on the bridge to send standardized engine speed and direction commands to the engineering crew. Although modern vessels may use integrated electronic control systems, the engine order telegraph remains widely used due to its reliability, simplicity, and fail-safe operation.
What you’re seeing
- A single control lever positioned on the right side for manual command input
• A vertical indicator scale displaying:
o AHEAD (forward propulsion commands)
o N (neutral / stop position)
o ASTERN (reverse propulsion commands)
• Clearly marked command levels such as Slow, Half, and Full, depending on the telegraph configuration
This intuitive layout ensures that commands are easy to read and operate, even in high-pressure navigation situations.
What it does
When the lever is moved:
• The telegraph sends a mechanical or electrical signal to a corresponding unit located in the engine room
• The engine room telegraph displays the exact same command position in real time
• The engineering crew acknowledges the command (usually by matching the lever position) and executes the required engine adjustment
This synchronized system minimizes miscommunication and enhances operational safety, particularly during critical maneuvers such as docking, undocking, or emergency stops.
Simple explanation
In simple terms, the marine engine telegraph functions as a “command lever” that tells the engine room how fast the engine should run and in which direction. It does not directly control the engine itself but acts as a reliable communication link between navigation and propulsion, ensuring coordinated and efficient ship handling in all maritime conditions.
