---
title: "Combined Procurement of WECDIS/WAIS and Obsolescence Recovery - UK5"
ocid: "ocds-h6vhtk-05e315"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-05e315"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-05e315.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-05e315.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "DEFENCE EQUIPMENT AND SUPPORT"
published: "2026-05-26"
---

# Combined Procurement of WECDIS/WAIS and Obsolescence Recovery - UK5

Buyer: DEFENCE EQUIPMENT AND SUPPORT  
Current stage: Award  
OCID: ocds-h6vhtk-05e315

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## Summary

The Defence Equipment and Support (DE&S), part of the UK Ministry of Defence, has awarded a contract to OSI Maritime Systems Ltd for the upgrade and maintenance of the Royal Navy's Warship Electronic Chart Display and Information System (RN-WECDIS) and Warship Automatic Identification System (WAIS). The procurement, valued at £20 million excluding VAT, will address obsolescence recovery and include technical support and training. The contract, which follows a direct award method due to technical reasons, commenced on 13th February 2026 and spans two years, concluding on 12th February 2028. The buying organisation, based in Bristol, UK, focuses on the services category, with the project's legal grounding in the Procurement Act 2023. This process is crucial for ensuring the navigation capabilities of the Royal Navy's fleet remain compliant and operational.

The tender presents substantial growth opportunities, particularly for businesses engaged in maritime systems and navigation technology. Companies specialising in installation services of navigating equipment, such as SMEs with technical expertise in Electronic Chart Precision Integrated Navigation Systems, may find this an attractive and relevant engagement. Given the specific technological requirements and strategic importance of the contract, suppliers offering comprehensive solutions with a proven track record in similar government projects stand to benefit significantly. The focus on obsolescence recovery and advanced system integration underscores the project’s alignment with cutting-edge maritime defence needs, making it a prime opportunity for businesses aimed at long-term collaborations with central government entities.

## Notice

The Sense, Decide and Communicate C2TNC (SDC C2TNC) Project Team within Defence Equipment & Support (DE&S), part of the UK Ministry of Defence, ("the Authority") intends to enter into a contract (the Contract) with OSI Maritime Systems Ltd ("the Contractor") for the combined procurement of an upgrade for the Royal Navy Warship Electronic Chart Display And Information System (RN-WECDIS) and the Warship Automatic Identification System (WAIS) Obsolescence Recovery, in addition to these systems' maintenance, technical support and training in the use of these systems. Navigation capability on RN platforms is a critical component of its ability to operate and fight. WECDIS and WAIS capabilities across the fleet are required to meet regulatory compliance utilising the software provided by the Company. This requirement includes work to address obsolescence recovery for WAIS and WECDIS, radar control software and the provision of associated spares. **Contract start date is 13th February 2026

### Procurement Information

The Sense, Decide and Communicate C2TNC (SDC C2TNC) Project Team within Defence Equipment & Support (DE&S), part of the UK Ministry of Defence, ("the Authority") intends to enter into a contract (the Contract) with OSI Maritime Systems Ltd ("the Contractor") for the combined procurement of an upgrade for the Royal Navy Warship Electronic Chart Display And Information System (RN-WECDIS) and the Warship Automatic Identification System (WAIS) Obsolescence Recovery, in addition to these systems' maintenance, technical support and training in the use of these systems. Navigation capability on RN platforms is a critical component of its ability to operate and fight. WECDIS and WAIS capabilities across the fleet are required to meet regulatory compliance utilising the software provided by the Company. This requirement includes work to address obsolescence recovery for WAIS and WECDIS, radar control software and the provision of associated spares. Only the Contractor has the necessary technical information to be able to perform this requirement on all platforms within scope, without considerable risk to the continued operation of the fleet. Their continued technical expertise, technical data and manufacturing expertise is necessary to ensure that these systems remain fully operational and compliant. The length of the new contract will be 2 years. The approximate value of the contract is estimated to be PS20m ex VAT. In accordance with Section 41(1)(a) of the Procurement Act 2023 (the "Act"), the Authority intends to rely on the Single Supplier direct award justification, as set out in Paragraph 6 of Schedule 5 of the Act, to award a public contract directly to the Contractor, a supplier that is not an excluded supplier. It is considered that a Direct Award is permissible under the Act on the basis that, due to an absence of competition for technical reasons, only the Contractor can carry out the services and there are no alternatives to those goods, services or works. Only the Company possesses the technical information to carry out the work required to achieve the ECPINS (Electronic Chart Precision Integrated Navigation System) software integration of any obsolescence solution within the WECDIS and WAIS equipment, as well as the maintenance of these systems, their technical support and the capability to provide training where required. Accordingly, due to an absence of competition for technical reasons, the Contractor is considered as the only supplier that can provide the services and there are no reasonable alternatives to those services as required by the Authority. The contract will not be awarded to an excluded or excludable supplier; a Contract Award Notice and Contract Details Notice will follow in accordance with Procurement Act 2023.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/048691-2026 |
| Notice type | UK7 - Contract Details Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Direct |
| Procurement method details | Direct award |
| Tender suitability | SME |
| Awardee scale | SME |
| All stages | Planning, Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 26 May 2026 |
| Submission deadline | Not specified |
| Future notice date | 18 Nov 2025 |
| Award date | 20 Nov 2025 |
| Contract period | 2 Mar 2026 - 12 Feb 2028 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £20,000,000 |
| Lots value | Not specified |
| Awards value | £10,101,412 |
| Contracts value | £10,101,412 |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Complete |
| Awards status | Active, Pending |
| Contracts status | Active |

## 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 |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 2 |
| Supplier names | OSI MARITIME; OSI MARITIME SYSTEMS |

## CPV Codes

### Divisions

- 51 - Installation services (except software)

### Codes

- 51240000 - Installation services of navigating equipment

## Release History

- 26 May 2026 at 11:42 - Award - UK7 - Contract Details Notice - https://www.find-tender.service.gov.uk/Notice/048691-2026
- 17 Feb 2026 at 11:14 - Award - UK6 - Contract Award Notice - https://www.find-tender.service.gov.uk/Notice/014197-2026
- 20 Nov 2025 at 09:47 - Award - UK5 - Transparency Notice - https://www.find-tender.service.gov.uk/Notice/075487-2025
- 18 Nov 2025 at 10:56 - Planning - UK1 - Pipeline Notice - https://www.find-tender.service.gov.uk/Notice/074667-2025

## Documents

- https://www.find-tender.service.gov.uk/Notice/048691-2026
  26th May 2026 - Contract details notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/014197-2026
  17th February 2026 - Contract award notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/075487-2025
  20th November 2025 - Transparency notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/074667-2025
  18th November 2025 - Pipeline notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/Attachment/A-16700
  Schedule of requirements
- https://www.find-tender.service.gov.uk/Notice/Attachment/A-16701
  Contract data sheet
- https://www.find-tender.service.gov.uk/Notice/Attachment/A-16702
  Milestone Payment Plan
- https://www.find-tender.service.gov.uk/Notice/Attachment/A-16703
  Notifications of IP
- https://www.find-tender.service.gov.uk/Notice/Attachment/A-16704
  DEFFORM 111
- https://www.find-tender.service.gov.uk/Notice/Attachment/A-16705
  Definitions
- https://www.find-tender.service.gov.uk/Notice/Attachment/A-16706
  Annex A Defform 111
- https://www.find-tender.service.gov.uk/Notice/Attachment/A-16707
  DEFFORM 532B Personal Data Particulars
- https://www.find-tender.service.gov.uk/Notice/Attachment/A-16708
  Statement of Requirements
- https://www.find-tender.service.gov.uk/Notice/Attachment/A-16709
  Security Aspects Letter
- https://www.find-tender.service.gov.uk/Notice/Attachment/A-16710
  Change Control Procedure
- https://www.find-tender.service.gov.uk/Notice/Attachment/A-16711
  Acceptance Procudure
- https://www.find-tender.service.gov.uk/Notice/Attachment/A-16712
  Terms & Conditions
- https://www.find-tender.service.gov.uk/Notice/Attachment/A-16713
  Assumptions Dependencies & Exclusions

## 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-05e315. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-05e315.json.