WECDIS & Combat System Interface Unit (WIU CSIU)
- Published
- 28 September 2026
- Estimated value
- £12,500,000
- Place of performance
- UK
- Procedure
- Direct award
- Lots
- 1
- Notice number
- 091457-2026
- Reference
- ocds-h6vhtk-06ba08
- Official source
- Official source
CPV codes
- 51240000Installation services of navigating equipment
Description
The National Armaments Director Group, part of the Ministry of Defence, intends to award a contract for the design, manufacture, installation and assurance of a replacement Warship Electronic Chart Display and Information (WECDIS) Interface Unit (WIU) and Combat System Interface Unit (CSIU) (together the Interfaces) to OSI Maritime Ltd (OSI). The contract will be for a term of two years and have an estimated value of £15m (inc VAT). It is considered that this contract can be awarded under Section 41 of the Procurement Act 2023 because the direct award justification specified in paragraph 6 of Schedule 5 (single supplier - technical reasons) applies. This is because the WIU and CSIU are required to interface with an upgraded WECDIS being procured from OSI (and which was the subject of a separate transparency notice 2025/S 000-074667 published on 18 November 2025 and both Interfaces need to be integrated into the wider architecture of systems currently installed on Royal Navy platforms, all of which are supplied, supported and assured by OSI. These include the Electronic Chart Precise Integrated Navigation System (EPCIS) and Warship Automatic Identification System (WAIS). Only OSI ha…
Awards
| Awarded to | Amount | Date |
|---|---|---|
| OSI Maritime | £12,500,000 | — |
Official publications
- FTS · 091457-2026 · 28 September 2026
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Frequently asked questions
- What is the estimated value of this tender?
- The estimated value published by the buyer is £12,500,000.
- Who is the buyer of this tender?
- The contracting authority is Defence Equipment and Support (United Kingdom).
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