| Location: | District of Columbia |
|---|---|
| Posted: | May 8, 2026 |
| Due: | May 18, 2026 |
| Agency: | TRANSPORTATION, DEPARTMENT OF |
| Type of Government: | Federal |
| Category: |
|
| Solicitation No: | 693KA9-26-R-00006 |
| Publication URL: | To access bid details, please log in. |
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The APEX Accelerators program was formerly known as the Procurement Technical Assistance Program (opens in new window) (PTAP).
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.
Please ensure you review the Final SIR in its entirety for complete details and requirements.
| 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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