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The DEPT OF DEFENSE | DEPT OF THE NAVY has issued a Tender notice for the procurement of a Mast Idiq Low Probability of Intercept Altimeter Lpia Production and Repair in the USA. This Tender notice was published on 12 May 2026 and is scheduled to close on 26 May 2026, with an estimated Tender value of Refer Document. Interested bidders can access detailed Tender information, eligibility criteria, and complete bidding documents by referencing TOT Ref No. 141079454, while the tender notice number is N00421-26-RFPREQ-TPM209-0264 and Registering on the platform.
Procurement Summary
Country: USA
Summary: Mast Idiq Low Probability of Intercept Altimeter Lpia Production and Repair
Deadline: 26 May 2026
Posting Date: 12 May 2026
Other Information
Notice Type: Tender
TOT Ref.No.: 141079454
Document Ref. No.: N00421-26-RFPREQ-TPM209-0264
Competition: ICB
Financier: Self Financed
Purchaser Ownership: Public
Tender Value: Refer Document
Purchaser's Detail
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Login to see detailsTender Details
This is a Sources Sought notice for market research purposes only. This is not a solicitation for proposals, proposal abstracts, or quotations. The purpose of this notice is to obtain information from qualified and interested parties regarding their capabilities to provide comprehensive support for the Low Probability of Intercept Altimeter (LPIA) program. The Government will not reimburse respondents for any costs incurred in responding to this notice.
The purpose of this notice is to identify potential sources capable of providing the required support for the LPIA systems, including the R/T-1805/APN Receiver/Transmitter units and associated software. The Government is anticipating this contract to be an Indefinite Delivery Indefinite Quantity (IDIQ). The Government awarded a previous C-type contract to BAE Systems. The incumbent contract information is as follows.
Contractor: BAE Systems
Contract Number: N00421-24-C-0052
Contract End Date: May 2026
Contract Type: Firm Fixed Price (FFP)/Cost Plus Fixed Fee (CPFF) Contract
The LPIA is a radar altimeter used across multiple military services that utilizes a frequency-hopped, spread-spectrum waveform to reduce its probability of being detected. This advanced processing allows for high accuracy and resistance to jamming.
2.0 Scope of Work
The Government is seeking sources capable of performing the following efforts to support the LPIA system and its associated software. The LPIA R/T-1805/APN Receiver/Transmitter (R/T) is an advanced technology radar altimeter required by Naval Air Systems Command (NAVAIR) to improve survivability, reliability, and maintainability of fleet aircraft. The LPIA operates in the radar altimeter band of 4200 MHz to 4400 MHz. The LPIA accurately determines the aircraft-s height above the terrain and incorporates techniques to achieve a very low probability of signal interception, detection, or exploitation. The LPIA R/T is a Form, Fit and enha...
Notice ID: n00421-26-rfpreq-tpm209-0264
Department/Ind. Agency: dept of defense
Original Set Aside: 8(a) sole source (far 19.8)
Sub-tier: dept of the navy
Office: naval air warfare center air div
Product Service Code: 5841 - radar equipment, airborne
NAICS Code: 334511 - Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
Inactive Dates: jun 10, 2026
Inactive Policy: 15 days after response date
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