Wide Area Multilateration and Automatic Dependent Surveillance Broadcast Systems
Summary
Description
Agency: ICAO | Reference: ICAO-00044,2 | Type: Invitation to bid
Dear Sir/Madam,The International Civil Aviation Organization (ICAO), a specialized Agency of the United Nations, hereinafter referred to as ICAO, hereby invites prospective bidders to submit a bid in accordance with the General Terms and Conditions of Contract and the Schedule of Requirements as set out in this Invitation to Bid (ITB).For Existing Suppliers in Quantum:Please log in to the Quantum Supplier Portal to access the ITB documents.
Do not create a new profile if you already have one.
If you have forgotten your password or username, use the โForgotten Passwordโ feature to retrieve your credentials.For New Suppliers in Quantum:If you are viewing this notice on UNGM, navigate to the "Links" tab, select "Supplier Registration", then click โGo to linkโ to be redirected to the Quantum Supplier Portal registration page.Use the search filters to locate the specific ITB and subscribe to the ITB by creating draft response without submitting directly in the system to receive notifications in case of any amendments to the ITB documents.Any requests for clarification must be submitted in writing via the messaging functionality within the Quantum portal.Bid Submission:Bids must be submitted exclusively through the Quantum portal by the specified deadline.
It is the vendorโs responsibility to ensure timely submission.
Any bids received after the deadline and/or outside the Quantum portal, regardless of the reason, will not be considered.
In case of any discrepancy, the deadline indicated in the Quantum portal shall prevail.We appreciate your interest in this procurement opportunity.ICAO Procurement Team
CONTACT:
โข Email: E-tender@icao.int
About This Opportunity
This is a works contract in the transport and logistics and general supplies sectors. Located in Angola, Africa, this opportunity is open to firms and consortiums. Proposals must be submitted before May 20, 2026.
Published through UNGM - United Nations Global Marketplace, part of the United Nations system, which follows UN procurement standards. UN-funded opportunities are typically open to vendors registered in the UN Global Marketplace for civil works in the transport and logistics sector. Works contracts of this nature generally require demonstrated experience in similar infrastructure projects, adequate equipment and technical personnel, and financial capacity including bank guarantees. Interested parties should review the full documentation on the original source before submitting their proposal.