# 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).

Canonical: https://abierto.us/opportunities/n0042126rfpreqtw000001864

- Solicitation number: N00421-26-RFPREQ-TW00000-1864
- Notice type: Presolicitation
- Status: Open. Offers due November 12, 2026 at 3:00 PM EST
- Department: Department of the Navy
- Agency: Department of the Navy
- Contracting office: Naval Air Warfare Center Air Div (N00421)
- NAICS: 541330 Engineering Services
- Product or service code: AC33 National Defense R&D Services; Defense-Related Activities; Experimental Development
- Place of performance: Sparks, Nevada
- County: Washoe County (FIPS 32031). https://abierto.us/counties/washoe-county-nv-32031
- City: Sparks. https://abierto.us/cities/sparks-nv-3268400
- First posted: October 27, 2026
- Last posted: October 27, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/233a9d3845d04cf7b22dab8e82935f87/view

## 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.

## Attachments

- [Presolicitation Notice SNC SPN 35.pdf](https://sam.gov/api/prod/opps/v3/opportunities/resources/files/3c587e6fb94d4b428b73e5d86c8a2ba9/download)

## Open now in the same industry

94 open in NAICS 541330.

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- FDRMC ENGINEERING SUPPORT SERVICES (N6817126RN005), due November 2, 2026 at 5:00 AM EST. https://abierto.us/opportunities/n6817126rn005

## Publications

- October 27, 2026: Presolicitation, due November 12, 2026 at 3:00 PM EST. Notice 233a9d3845d04cf7b22dab8e82935f87. https://sam.gov/workspace/contract/opp/233a9d3845d04cf7b22dab8e82935f87/view

## Points of contact

- Cameron Ward, cameron.d.ward4.civ@us.navy.mil
- Matthew F. Purcell, matthew.f.purcell2.civ@us.navy.mil

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/n0042126rfpreqtw000001864.