Silent Signals: The Unwritten Language of the Lower Deck
The Royal Navy has always placed great importance on communication. A warship is a complex organisation in which information must be passed quickly, accurately and through the correct channels. Orders, signals and reports all have their place, and every sailor understands that effective communication is essential to safety and efficiency.
Yet a ship's communication system has never existed only in manuals.
Anyone who has served at sea will understand that a great deal of knowledge is passed through observation and experience. Sailors who work together for long periods develop an understanding of each other's actions. A gesture, a glance or a familiar routine can often communicate information without the need for words.
This was particularly important in the small working boats of a warship, where space was limited and everyone had a specific responsibility. A good boat crew did not need constant explanation. Each person understood their role, watched what was happening around them and acted accordingly.
During HMS Glamorgan's visit to Istanbul in about 1973, the liberty boat provided a good example of this practical communication. The ship was secured to a chained buoy in the Bosporus rather than alongside a jetty, and the boat crew spent much of their time carrying passengers between the ship and the shore.
The work required concentration. The Bosporus was a busy waterway, and the crew's attention was directed towards handling the boat safely, managing passengers and dealing with the immediate requirements of the task.
At one point, the Officer of the Day attempted to attract the boat crew's attention from the ship. From a distance, signals from the flight deck were difficult to interpret, and the crew were occupied with their immediate responsibilities. Their focus was not on ignoring communication, but on completing the job safely.
The incident illustrates something familiar about naval life. Communication aboard ship was not simply a matter of sending a message; it also depended upon understanding circumstances. Experience taught sailors when a message required immediate attention and when the task already underway had priority.
Alongside these informal methods existed the official communication systems of the Navy. These were taken seriously because they carried authority. The distinction between authorised and unofficial communication was well understood.
The Royal Navy had long maintained its own traditional methods of signalling. The Bosun's Call, or Bosun's Pipe, was one such example. Used by the Bosun's Mate on approved occasions, it was a recognised naval sound with a specific meaning. It might announce formal occasions such as the arrival of important visitors, the piping of the side, or other events where naval custom required it.
A sailor randomly whistling on board ship was therefore not simply making a noise. Whistling had an association with official naval practice and, historically, with discipline. It was not something to be done casually by anyone who happened to feel like it.
This contrast reveals an important aspect of naval culture. Sailors could be informal and irreverent, but they also understood tradition and boundaries. The same person who might complain about equipment or joke about authority would still recognise the significance of a formal naval signal.
Equipment itself also influenced the way sailors communicated. Portable radios were available, but the technology of the period was not always convenient. The Storno radio, commonly used at the time, was a substantial piece of equipment compared with modern handheld devices. For men working in small boats, already dealing with ropes, passengers and boat handling, carrying additional equipment required practical consideration.
The issue was not whether communication was important. It clearly was. The question was whether a particular method was the most effective one for the task being carried out at that moment.
This was typical of naval life. Official systems provided the structure, while experience provided the ability to apply those systems effectively. Sailors learned not only what the regulations required, but also how to make the organisation work in real conditions.
The lower deck possessed a rich informal language built from years of shared experience. It included humour, gestures, expressions and habits that might have been invisible to an outsider but were immediately understood by those who served together.
Such knowledge was not a replacement for discipline. It was one of the ways discipline functioned in practice.
A successful ship depended upon both. Orders and signals provided direction. Experience and understanding ensured that the direction was carried out effectively.
The Royal Navy of the early 1970s was therefore a place where formal authority and informal knowledge existed side by side. The sailor who understood both worlds was the sailor who could get the job done.
Istanbul part 6 - The Day a Lieutenant Met the Bosporus
Primary source: RN-007
RN-E-138
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