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715409453 - Personal Location Transmitters (PLTs)

Submarine Delivery Agency

This public procurement record has 4 releases in its history.

Award

20 Aug 2026 at 12:03

UK6 - Contract Award Notice
Tender

09 Dec 2025 at 10:13

UK4 - Tender Notice
Planning

30 Jul 2025 at 18:27

UK2 - Preliminary Market Engagement Notice
Planning

30 Jul 2025 at 16:24

UK1 - Pipeline Notice
Summary of the contracting process

The Submarine Delivery Agency is procuring Personal Location Transmitters (PLTs), formerly called Personal Locator Beacons, for use on all Royal Navy submarines. These are man-overboard identification and location systems intended to improve the chances of locating survivors after escape or abandonment in a distressed-submarine scenario. The requirement covers the supply of 2,132 PLTs, with provision for a further 1,192 units and ad hoc purchases through a tasking mechanism. This is a defence and security goods requirement managed by the Submarine Delivery Agency, based at MOD Abbey Wood in Bristol. Delivery is required in the United Kingdom. The procurement is suitable for small and medium-sized enterprises.

The procurement was completed through an above-threshold open procedure for defence and security goods. One lot was awarded to Marine Rescue Technologies Ltd for £1,306,399.60 excluding VAT (£1,567,679.52 including VAT), with the award dated 11 August 2026. The awarded contract period runs from 1 September 2026 to 1 September 2029, with two option years allowing extension to 1 September 2031. The original estimated value was £2,083,333 excluding VAT (£2,500,000 including VAT). Three bids reached the final stage, including two from SMEs. Evaluation weighted technical, non-cost quality at 70% and tender cost at 30%. Electronic submission was allowed in English, and the tender and enquiry deadline was 23 January 2026.

This award demonstrates a defined UK defence requirement for specialist personal location and survivor-location equipment used in submarine operations. A credible future supplier would need to provide reliable PLTs at operational scale, understand man-overboard identification and location in distressed-submarine scenarios, and demonstrate strong technical performance rather than competing on price alone. Experience supplying safety-critical, military or maritime communications and locating equipment would be relevant, alongside the ability to support the initial fleet requirement, optional additional units and ad hoc tasking. Suppliers should also be prepared to meet the economic and technical conditions associated with access to the Invitation to Tender and operate through the Authority’s electronic contracting and finance arrangements.

How relevant is this notice?

Notice Information

Notice Title

715409453 - Personal Location Transmitters (PLTs)

Notice Description

Personal Location Transmitters (PLTs), formerly referred to as Personal Locator Beacons (PLBs), are man-overboard identification and location systems carried on all Royal Navy submarines. They play a critical role in increasing the likelihood of locating survivors following an escape or abandonment during a Distressed Submarine (DISSUB) scenario. The Submarine Delivery Agency (SDA) has an operational requirement to procure PLTs. Under this contract, the SDA seeks to acquire 2,132 PLTs, with an option to purchase an additional 1,192 units during option years 4 and 5. The contract also includes a tasking mechanism that enables ad hoc procurement if required. The Platform Equipment Delivery Team (PEDT) will conduct a competitive process to assess, select, and award a contract for the delivery of PLTs to meet this requirement.

Lot Information

Lot 1

Options: The Authority may at its sole discretion exercise the Options to extend the Contract in respect of any Option Line Items on Schedule 2 (Schedule of Requirements) for the following periods: (a) Option Year 1 (Year 4) - 24th March 2029 to 23rd March 2030 and (b) Option Year 2 (Year 5) - 24th March 2030 to 23rd March 2031.

Renewal: The Authority may at its sole discretion exercise the Options to extend the Contract in respect of any Option Line Items on Schedule 2 (Schedule of Requirements) for the following periods: (a) Option Year 1 (Year 4) - 24th March 2029 to 23rd March 2030 and (b) Option Year 2 (Year 5) - 24th March 2030 to 23rd March 2031.

Planning Information

Personal Location Transmitters (PLTs), previously known as Personal Locator Beacons (PLBs), are a man overboard identification and location system which are carried on all Royal Navy submarines providing improved likelihood of survivor location following escape or abandonment in the event of a Distressed Submarine (DISSUB) scenario. The Submarine Delivery Agency (SDA) has a requirement to procure PLTs. Consequently, the Authority seeks to assess the commercial market’s capability to tender solutions that meet this future procurement need. This process will enable the Authority to plan activities effectively and may assist in shaping the future procurement strategy and defining the scope of the requirement. For further details, please refer to the attached Request for Information (RFI) which is included as part of the Opportunity Listing on the Defence Sourcing Portal (DSP). The Authority welcomes responses to the questions outlined in Annex A. Organisations interested in providing information are invited to contact Martha Frankland at martha.frankland100@mod.gov.uk. The RFI closure date is 22nd August 2025 at 23:59. This RFI does not represent a contractual commitment of any kind at this time. Any work undergone as a result of this request is done so at your organisations risk. This RFI is not a commitment by the UK Ministry of Defence to place an order or a Tender in the future.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-056979
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/079398-2026
Current Stage
Award
All Stages
Planning, Tender, Award

Procurement Classification

Notice Type
UK6 - Contract Award Notice
Procurement Type
Standard
Procurement Category
Goods
Procurement Method
Open
Procurement Method Details
Open procedure
Tender Suitability
SME
Awardee Scale
SME

Common Procurement Vocabulary (CPV)

CPV Divisions

35 - Security, fire-fighting, police and defence equipment

CPV Codes

35512000 - Submarines

35512100 - Strategic submarine nuclear fuelled

35512200 - Attack submarine nuclear fuelled

Notice Value(s)

Tender Value
£2,083,333 £1M-£10M
Lots Value
£2,083,333 £1M-£10M
Awards Value
£1,306,399 £1M-£10M
Contracts Value
Not specified

Notice Dates

Publication Date
20 Aug 20266 days ago
Submission Deadline
23 Jan 2026Expired
Future Notice Date
21 Nov 2025Expired
Award Date
11 Aug 20262 weeks ago
Contract Period
1 Sep 2026 - 1 Sep 2029 3-4 years
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Complete
Awards Status
Active
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
Submarine Delivery Agency
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
BRISTOL
Postcode
BS34 8JH
Postcode Area
Bristol
Country
England
Major Region (ITL 1)
TLK South West (England)
Basic Region (ITL 2)
TLK5 West of England
Small Region (ITL 3)
TLK52 Bath & North East Somerset and South Gloucestershire
Delivery Location
Not specified
Local Authority
South Gloucestershire
Electoral Ward
Stoke Park & Cheswick
Westminster Constituency
Filton and Bradley Stoke

Supplier Information

Number of Suppliers
1
Supplier Name

Marine Rescue Technologies Ltd

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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