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).

Closed — responses were due 12 Nov 2026 · Unrestricted (full and open) · Department of the Navy, DoD · Sparks, NV · NAICS 541330 · Solicitation N00421-26-RFPREQ-TW00000-1864

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This solicitation has closed — responses were due 12 November 2026.

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Solicitation details

Solicitation number	N00421-26-RFPREQ-TW00000-1864
Notice ID	233a9d3845d04cf7b22dab8e82935f87
Agency	Department of Defense (DoD)
Sub-agency	Department of the Navy
Contracting office	NAVAL AIR WARFARE CENTER AIR DIV
NAICS code	541330 — Engineering Services
Product / service code (PSC)	AC33
Set-aside	Unrestricted (full and open)
Notice type	Presolicitation
Posted	27 October 2026
Response deadline	12 November 2026 (closed)
Place of performance	Sparks, NV, USA
Competition	Likely sole source (FedSift estimate from the notice text) — confirm on SAM.gov before investing in a bid

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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.

Documents in the solicitation package

1 file is attached to this notice.

Presolicitation Notice SNC SPN 35.pdf

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Market context: DoD and NAICS 541330

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In fiscal year 2026, DoD obligated $8.7B across 3,569 contract actions under NAICS 541330.
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