Continuous Lower Energy, Emissions and Noise (CLEEN) Phase IV Program: Q&A Responses and FINAL SIR Release

Tender summary

<p><strong>Tuesday, March 31, 2026</strong></p> <p>The FAA Acquisition Office has posted an update to the responses to the questions received following the initial Draft SIR. These responses are available for review by all interested parties.&nbsp;</p> <p>All other information posted by the FAA Acquisition Office on Monday, March 30, 2026 regarding the Continuous Lower Energy, Emissions and Noise (CLEEN) Phase IV Program: Q&amp;A Responses and FINAL SIR Release remains the same.&nbsp;</p> <p><strong>Monday, March 30, 2026</strong></p> <p>The FAA Acquisition Office has posted responses to questions received following the initial Draft SIR. These responses are available for review by all interested parties.</p> <p>This announcement serves to inform industry participants of the contract opportunity and to invite offerors to submit proposals for the Final SIR.</p> <ul> <li>All questions, concerns, and requests for clarification regarding the Final SIR must be submitted in writing by 12:00 PM EDT on April 13, 2026.<br /> &nbsp;</li> <li>The deadline for proposal submission is 12:00 PM EDT on May 18, 2026.</li> </ul> <p>Please ensure you review the Final SIR in its entirety for complete details and requirements.&nbsp;</p>

What to check before bidding

• Located in United States.
• Source notice eea2b2e369d24a11ad2c698c9cd54072 on SAM.gov.
• Notice published 31 Mar 2026; Tenqual indexed it 2 Apr 2026.
• Deadline listed as 18 May 2026.
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