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DEPT OF DEFENSE › DEPT OF THE NAVY › NAVAIR › NAVAIR NAWC AD › NAVAL AIR WARFARE CENTER AIR DIV

Presolicitation Notice – Sole-Source Requirement for SNC Precision Approach Radar (PAR) AN/SPN-35E Landing System Upgrade Program (LSUP) Basic Ordering Agreement (BOA) Task Order (TO).

Key facts

Response deadline
Nov 12, 2026
3:00 PM UTC-05:00
Set-aside
Not stated
Notice type
Presolicitation
Posted on SAM.gov
Oct 27, 2026
Archives Nov 27, 2026

Description

The NAWCAD WOLF Air Traffic Control and Landing Systems (ATC&LS) Division, operating under the oLSI® model, is the In-Service Engineering Activity (ISEA) for all U.S. Navy ATC&LS. The ATC&LS Division has a requirement to upgrade the Precision Approach Radar (PAR) AN/SPN-35E Landing System Upgrade Program (LSUP). The ATC&LS Division, operating under the oLSI® model, has requirements for project management, systems engineering, hardware engineering, software engineering, integration and test, Engineering Development Modules (EDMs), qualification testing and analysis, and logistics for the PAR AN/SPN-35E LSUP upgrade. This task order will have CPFF Completion CLINSs only. The requirement includes: Anticipated Period of Performance: May 2027 – May 2032 Anticipated Place of Performance: 100% of work will be performed at Contractor site.

From SAM.gov’s daily data file, as published on Nov 10, 2026 (UTC).

Contacts

Attachments

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Record dates

Posted on SAM.gov: Oct 27, 2026
The agency’s publication date, as SAM.gov states it.
First recorded by BidLookup: Oct 27, 2026
The UTC day of the first read of SAM.gov’s listings that stored this notice.
Last confirmed: Nov 10, 2026
The UTC day of the latest read that still listed this notice. It does not mean the notice is unchanged or still open on SAM.gov now, and it is not the index’s last-read time.
Description as published: Nov 10, 2026 (UTC)
The date of the daily data file this text came from.

Published by the agency on SAM.gov as notice 233a9d3845d04cf7b22dab8e82935f87. What these dates mean

Record

Solicitation number
N00421-26-RFPREQ-TW00000-1864
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NAICS
541330 · Engineering Services
Product/service code
AC33 · NATIONAL DEFENSE R&D SERVICES; DEFENSE-RELATED ACTIVITIES; EXPERIMENTAL DEVELOPMENT
Place of performance
Sparks, Nevada
Contracting office
PATUXENT RIVER, MD 20670-1545
SAM.gov notice ID
233a9d3845d04cf7b22dab8e82935f87