About Oman National Hydrographic Office

​​​Historical Background

Following the ministerial decision No.200/92 pertaining the formation of NHO on 15 SEP 92, Oman has joined in October of the same year IHO. While in 1998 she satisfied and signed UNCLOSE & SOLAS and then become a member in IMO. In the light of that, the government of Oman becomes accountable of the international community for hydrographic services of the standards and criteria set by these organizations. Since then RNO took full responsibility to provide national hydrographic services and support at all levels through harnessing all the capabilities and recourses to fulfill National requirements and meet the international treaties with regard to provision of highest standards of safe navigation in the Omani waters. 


Workflow of working in ONHO

Tasks and Roles

The tasks and roles of NHO could be surrounding up in providing highest degree of safe navigation and safety of life at sea. Such tasks are not restricted on gathering hydrographic data, issuing of printed and electronic charts and navigational publications for each maritime area and Omani waters or maintaining The national hydrographic Archive, but they, tasks & roles, also included effective supervision of the responsibilities of the national committee for the hydrographic requirements as well as providing necessary support for Oman –literati- and maritime boundary declinations operations and promote national requirements for continental shelf extension. 


The way to calculate of the tide

Specialized Training and Qualification

Specialized training and qualification is a linchpin and a constant proves for all hydrographic survey officer and technicians. The new members undergo a previously planned specialized training and qualification programs to enable them to mingle in real work atmosphere. Such programs are serviced and improved every now and then to keep in pace with the development in the field and to fulfill the current and future requirements to achieve the following goals:

  1. Qualifying and preparing specialized and technically qualified officers and ratings to perform their duties effectively and efficiently.
  2. Provide trainers with necessary knowledge to improve these technical skills.
  3. Refurbish basic practical skills of the trainees and improve these technical abilities with regard the programs and technology used.


Training some ratings to perform their duties