# 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).

Notice 233a9d3845d04cf7b22dab8e82935f87 (solicitation N00421-26-RFPREQ-TW00000-1864) from DEPT OF DEFENSE, NAVAL AIR WARFARE CENTER AIR DIV, posted 2026-10-27, responses due 2026-11-12T20:00:00.000Z. Status: open.

| Field | Value |
| --- | --- |
| Notice ID | 233a9d3845d04cf7b22dab8e82935f87 |
| Solicitation number | N00421-26-RFPREQ-TW00000-1864 |
| Type | Presolicitation |
| Agency | DEPT OF DEFENSE |
| Sub-tier | DEPT OF THE NAVY |
| Office | NAVAL AIR WARFARE CENTER AIR DIV |
| Posted | 2026-10-27T13:32:50.000Z |
| Response deadline (UTC) | 2026-11-12T20:00:00.000Z |
| Set-aside | - |
| NAICS | 541330 |
| PSC | AC33 |
| Place of performance | Sparks, NV, USA |
| Award | - |

## 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.

## Sources

- View on SAM.gov: https://sam.gov/opp/233a9d3845d04cf7b22dab8e82935f87/view
- Data as of 2026-11-14. Source: https://sam.gov/data-services/Contract%20Opportunities/datagov

## Cite this

"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)., SAM.gov contract opportunity 233a9d3845d04cf7b22dab8e82935f87." samgovapi.io, https://samgovapi.io/opportunity/233a9d3845d04cf7b22dab8e82935f87, data as of 2026-11-14. Primary record: https://sam.gov/opp/233a9d3845d04cf7b22dab8e82935f87/view

## API and MCP

- REST: GET https://samgovapi.io/api/v1/opportunities/233a9d3845d04cf7b22dab8e82935f87
- MCP tool: get_opportunity

Independent. Not affiliated with, endorsed by or sponsored by GSA, SAM.gov or any U.S. government agency. Registering in SAM.gov is free at sam.gov.

Get a free API key: https://samgovapi.io/sign-up?ref=ai-claudebot