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

Agency: TRANSPORTATION, DEPARTMENT OF
State: District of Columbia
Type of Government: Federal
FSC Category:
  • R - Professional, Administrative and Management Support Services
NAICS Category:
  • 541330 - Engineering Services
Posted Date: May 8, 2026
Due Date: May 18, 2026
Solicitation No: 693KA9-26-R-00006
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Continuous Lower Energy, Emissions and Noise (CLEEN) Phase IV Program: Q&A Responses and FINAL SIR Release
Active
Contract Opportunity
Notice ID
693KA9-26-R-00006
Related Notice
693KA9-26-R-00006
Department/Ind. Agency
TRANSPORTATION, DEPARTMENT OF
Sub-tier
FEDERAL AVIATION ADMINISTRATION
Office
693KA9 CONTRACTING FOR SERVICES
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General Information View Changes
  • Contract Opportunity Type: Solicitation (Updated)
  • Updated Published Date: May 08, 2026 04:10 pm EDT
  • Original Published Date: Mar 30, 2026 11:06 am EDT
  • Updated Date Offers Due: May 18, 2026 12:00 pm EDT
  • Original Date Offers Due: May 18, 2026 12:00 pm EDT
  • Inactive Policy: 15 days after date offers due
  • Updated Inactive Date: Jun 02, 2026
  • Original Inactive Date: Jun 02, 2026
  • Initiative:
    • None
Classification
  • Original Set Aside:
  • Product Service Code: R425 - SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL
  • NAICS Code:
    • 541330 - Engineering Services
  • Place of Performance:
    Washington , DC 20591
    USA
Description View Changes

Friday, May 8, 2026



The FAA Acquisition Office has reposted the FAA's responses to the questions, concerns, and requests submitted regarding the Final SIR on April 13, 2026 without column A.



Tuesday, April 28, 2026



The FAA Acquisition Office has posted the FAA's responses to the questions, concerns, and requests submitted regarding the Final SIR on April 13, 2026.



Tuesday, March 31, 2026



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.



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&A Responses and FINAL SIR Release remains the same.



Monday, March 30, 2026



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.



This announcement serves to inform industry participants of the contract opportunity and to invite offerors to submit proposals for the Final SIR.




  • 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.


  • The deadline for proposal submission is 12:00 PM EDT on May 18, 2026.



Please ensure you review the Final SIR in its entirety for complete details and requirements.


Attachments/Links
Contact Information
Contracting Office Address
  • AAQ-400, FOB-10A, RM 400W 800 INDEPENDENCE AVE, SW
  • WASHINGTON , DC 20591
  • USA
Primary Point of Contact
Secondary Point of Contact


History

Related Document

Jan 17, 2026[Presolicitation (Original)] Continuous Lower Energy, Emissions and Noise (CLEEN) Phase IV Program
Mar 30, 2026[Solicitation (Original)] Continuous Lower Energy, Emissions and Noise (CLEEN) Phase IV Program: Q&A Responses and FINAL SIR Release
Mar 31, 2026[Solicitation (Updated)] Continuous Lower Energy, Emissions and Noise (CLEEN) Phase IV Program: Q&A Responses and FINAL SIR Release
Apr 28, 2026[Solicitation (Updated)] Continuous Lower Energy, Emissions and Noise (CLEEN) Phase IV Program: Q&A Responses and FINAL SIR Release
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