Making Differences between Charts a Shared Concern
Ships crossed national borders, but the charts they used could employ different symbols, abbreviations, and arrangements of information. The predecessor of the International Hydrographic Organization was created to let national hydrographic services discuss these practical problems on an ongoing basis. Joseph Renaud, head of French hydrography, had long promoted standardization; after the First World War, British and French hydrographers resumed preparations for a specialized conference.
The International Hydrographic Conference opened in London on June 24, 1919. Its agenda included charts, sailing directions, lists of lights, notices to mariners, instruments, and exchanges of publications. Delegates favored establishing a permanent bureau but could not complete all the arrangements during the conference, so a committee consisting of Renaud, Britain's John Parry, and the United States' Edward Simpson continued the work.
From Preparations by Correspondence to an Office in Monaco
From November 1919 to May 1921, the preparatory committee regularly sent progress reports to interested countries, drafted statutes, and handled proposed amendments. The first election of officers took place by postal ballot. June 21, 1921 became the official founding date of the International Hydrographic Bureau, or IHB, but staff arrived gradually afterward; establishment and fully functioning offices should not be treated as simultaneous.
The first three directors came from Britain, the Netherlands, and Norway: Parry, Johan Marie Phaff, and Samuel Harris Müller. Geoffrey Spicer-Simson served as Secretary-General. Prince Albert I of Monaco supported oceanographic research and provided a home for the new institution. Its Directing Committee held its first meeting there on July 6. When work began in September, the staff beyond the senior officers consisted of only a few people, including stenographer-typists and a porter.
Specialist Responsibilities within Limited Powers
The new bureau did not take over national hydrographic agencies. A contemporary account from 1924 explicitly described it as an advisory body: members' hydrographic services remained independent, and the bureau did not handle international political questions. These boundaries focused cooperation on surveying, chartmaking, and navigational information rather than creating an international survey fleet under unified command.
The three directors divided practical responsibilities: Parry handled finance, reports, and general supervision; Phaff charts and publications; and Müller the library and research on the visibility of lights. The Secretary-General managed correspondence, archives, translation, and publication administration. The Monaco office thus functioned as a small specialist exchange center, whose results depended on whether countries sent information and adopted methods developed through joint discussion.
How Members Shared the Costs
Funding came chiefly from member contributions rather than the sale of licenses to mariners. Brandt's 1924 account stated that each member initially subscribed for two shares of 2,000 gold Swiss francs each, with further shares based on naval and merchant tonnage. His table listed the British Empire at seventeen shares, or 34,000 francs; China at three shares, or 6,000 francs; and the United States at ten shares, or 20,000 francs. Monaco had a special arrangement.
This system linked financial responsibility to the scale of shipping, and shares also affected voting strength in elections for directors and the Secretary-General. It did not apply identical voting rights to every matter, nor did it represent a one-time total of founding expenses in 1921. Permanent staff salaries, routine correspondence, and publication required annual payments; continuing contributions sustained work between conferences.
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How the First Activities Built Cooperation
Member hydrographic services sent new charts and related works to the bureau, which assembled information, compared charting and surveying methods, and compiled lists of geographical positions, symbols, and abbreviations. Its work also covered survey-vessel instruments, recruitment and training, and methods for turning field observations into publishable materials. Information exchange made experience accumulated separately by different countries available for other services to consult and assess.
Publications allowed exchange to continue between conferences. Annual reports recorded operational and financial progress; the Hydrographic Review, issued from 1923, presented new developments; and circular letters conveyed specific technical or administrative questions. In 1926, Monaco hosted the first conference organized by the bureau, the second overall after London, to consider statutes, finance, chart symbols, tides, lights, and other matters. Cooperation involved collecting information, developing recommendations, and returning them to national services for discussion and implementation, rather than issuing a single uniform command.
The 1967 Convention and Institutional Continuity
The convention signed in Monaco on May 3, 1967 entered into force on September 22, 1970. It established the International Hydrographic Organization, or IHO, provided for a conference and an International Hydrographic Bureau managed by a Directing Committee as its organs, and expressly granted the organization legal personality. Thus, 1921 marks the beginning of permanent institutional cooperation, while 1970 marks the important stage when the convention-based system took effect.
The convention retained coordination of national services, the greatest possible uniformity in charts, and promotion of reliable survey methods as objectives. The accompanying General Regulations continued to define the organization's advisory, scientific, and technical character. The later international chart system allowed one country to produce original charts for an area and others to reproduce and adopt them according to common standards. This division of labor shows how the early pursuit of consistency gradually entered practical production arrangements, while national agencies continued to share responsibility for surveying and chartmaking.