---
title: "WECDIS & Combat System Interface Unit (WIU CSIU)"
ocid: "ocds-h6vhtk-06ba08"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06ba08"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-06ba08.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-06ba08.json"
source: "Find A Tender Service"
current_stage: "Planning"
buyer: "DEFENCE EQUIPMENT AND SUPPORT"
published: "2026-06-22"
---

# WECDIS & Combat System Interface Unit (WIU CSIU)

Buyer: DEFENCE EQUIPMENT AND SUPPORT  
Current stage: Planning  
OCID: ocds-h6vhtk-06ba08

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## Summary

The procurement process for the WECDIS & Combat System Interface Unit (WIU CSIU) is being organised by Defence Equipment and Support, a department of the UK's Ministry of Defence located in Bristol. This initiative is in the planning stage as of 22nd June 2026. The procurement focuses on the navigation equipment industry within the defence and security category, specifically targeting the replacement of existing units to address equipment obsolescence for the Royal Navy. This project, anticipated to commence on 30th June 2027, necessitates the design, manufacture, supply, and installation of replacement hardware and software. A direct award procurement method is being considered, aimed at maintaining continuity of operations while ensuring safety and sustainability. The project has a gross value of approximately £10 million, and future procurement notices are expected by 1st December 2026.

This tender represents a significant opportunity for businesses specialising in defence navigation equipment and related assurance services. SMEs with capabilities in the design and supply of advanced maritime technology could particularly benefit from participation. The requirement for bespoke design and reliable delivery systems offers room for innovation, providing enterprises the chance to grow their business portfolio and reputation within this specialised market. Companies with experience in supporting military or large-scale projects will find this procurement particularly suitable, as the emphasis is on maintaining operational capability through cutting-edge solutions.

## Notice

The Ministry of Defence is considering a procurement to deliver replacement WECDIS Interface Unit (WIU) and Combat System Interface Unit (CSIU) capability in support of Royal Navy maritime navigation and combat system requirements. The requirement is intended to address equipment obsolescence and maintain operational capability through the provision of replacement hardware, associated software, installation activities and supporting assurance services. The anticipated scope includes the design, manufacture, supply and installation of replacement equipment together with associated deliverables required to support continued safe operation and sustainment of the capability. The Authority is currently developing the requirement and procurement strategy. Further information will be provided through subsequent procurement notices as appropriate.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/058477-2026 |
| Notice type | UK1 - Pipeline Notice |
| Procurement type | Standard |
| Procurement category | Goods |
| Procurement method | Direct |
| Procurement method details | Direct award |
| Tender suitability | SME |
| Awardee scale | Not specified |
| All stages | Planning |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 22 Jun 2026 |
| Submission deadline | Not specified |
| Future notice date | 1 Dec 2026 |
| Award date | Not specified |
| Contract period | 29 Jun 2027 - 30 Jun 2029 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £8,000,000 |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Planned |
| Lots status | Planned |
| Awards status | Not specified |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | DEFENCE EQUIPMENT AND SUPPORT |
| Locality | BRISTOL |
| Post town | Bristol |
| Postcode | BS34 8JH |
| Country | England |
| ITL 1 | TLK South West (England) |
| ITL 2 | TLK5 West of England |
| ITL 3 | TLK52 Bath & North East Somerset and South Gloucestershire |
| Local authority | South Gloucestershire |
| Electoral ward | Stoke Park & Cheswick |
| Westminster constituency | Filton and Bradley Stoke |
| Delivery location | Not specified |

## CPV Codes

### Divisions

- 34 - Transport equipment and auxiliary products to transportation

### Codes

- 34933000 - Navigation equipment

## Release History

- 22 Jun 2026 at 11:42 - Planning - UK1 - Pipeline Notice - https://www.find-tender.service.gov.uk/Notice/058477-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/058477-2026
  22nd June 2026 - Pipeline notice on Find a Tender

## Notice URLs

- https://www.gov.uk/government/organisations/defence-equipment-and-support
- https://www.legislation.gov.uk/ukpga/2023/54/contents

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06ba08. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-06ba08.json.