# Common Acoustic Simulation Environment Fidelity Improvement (CASE-FI) Product Enhancement

Canonical: https://abierto.us/opportunities/n0001925rfpreqapm2640254

- Solicitation number: N00019-25-RFPREQ-APM264-0254
- Notice type: Award notice (first published as sources sought)
- Status: Awarded to ADVANCED ACOUSTIC CONCEPTS, LLC Great River for $15,228,512.90
- Department: Department of the Navy
- Agency: Department of the Navy
- Contracting office: Naval Air Systems Command (N00019)
- NAICS: 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- Product or service code: AC13 National Defense R&D Services; Department Of Defense - Military; Experimental Development
- Set-aside: Total small business set-aside
- Place of performance: Great River, New York
- County: Suffolk County (FIPS 36103). https://abierto.us/counties/suffolk-county-ny-36103
- City: Great River. https://abierto.us/cities/great-river-ny-3630235
- First posted: June 12, 2025
- Last posted: July 22, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/b4f17123f829480eb5b11043f434ddc0/view

## Description

The Naval Air Systems Command (NAVAIR) has awarded a Cost Plus Fixed Price(CPFF) and Firm Fixed Price (FFP) Contract N0001926C1008 to Advance Acoustic Concepts, LLC, Building 100, SUITE 210, 3500 Sunrise Highway Great River, NY 11739-1001, for software and hardware development and upgrades to the Common Acoustic Simulation Environment Fidelity Improvement (CASEFI) system to provide high-fidelity anti-submarine warfare training environments for P-8A Poseidon operations and advance maritime patrol and reconnaissance aircraft post-flight analysis capabilities.

The effort includes enhancements supporting multi-static active coherent enhancements (MAC-E), multiple input/multiple output capabilities, new sonobuoy functionality, undersea advantage receiver and processing modifications, concurrent active and passive sonobuoy processing, operator machine interface designs, and demonstration of advanced processing build concepts.

Additionally, this contract procures Acoustic onboard trainer (AOBT) production units and spares, with associated non-recurring engineering for unit integration, updates, and development. This contract was awarded on 14 July 2026 in the amount of $15,228,512.90. The period of performance is 60 months. This acquisition was conducted on a sole-source basis under statutory authority of Title 10, U.S.C.

Section 3204(a)(1),as implemented by Federal Acquisition Regulation (FAR) 6.302-1, "Only one responsible source and no other supplies or services will satisfy agency requirements." A determination by the Government not to compete this effort is solely within the discretion of the Government. This effort is covered under the Justification and Approval (J&A) number 25-0261. A redacted version of the J&A is attached.

## Publications

- June 12, 2025: Sources sought, due June 26, 2025 at 7:00 AM EDT. Notice dd727b06e658494ca8860940f7c7a9b6. https://sam.gov/workspace/contract/opp/dd727b06e658494ca8860940f7c7a9b6/view
- July 24, 2025: Presolicitation, due August 7, 2025 at 4:30 PM EDT. Notice 1eab9b42127045ad9cc68b8128a74157. https://sam.gov/workspace/contract/opp/1eab9b42127045ad9cc68b8128a74157/view
- July 22, 2026: Award notice. Notice b4f17123f829480eb5b11043f434ddc0. https://sam.gov/workspace/contract/opp/b4f17123f829480eb5b11043f434ddc0/view

## Points of contact

- Donna Baumgardner, donna.c.baumgardner.civ@us.navy.mil
- Samantha Lysaght, samantha.l.lysaght.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/n0001925rfpreqapm2640254.