# AST Environmental Support Services Q&A

Canonical: https://abierto.us/opportunities/693ka925r00013

- Solicitation number: 693KA9-25-R-00013
- Notice type: Sources sought (first published as presolicitation)
- Status: Closed. Deadline was August 21, 2025 at 12:00 PM EDT
- Department: Department of Transportation
- Agency: Federal Aviation Administration
- Contracting office: 693KA9 Contracting for Services (693KA9)
- NAICS: 541690 Other Scientific and Technical Consulting Services
- Product or service code: R425 Engineering and Technical Services
- Place of performance: Washington, District of Columbia
- County: District of Columbia (FIPS 11001). https://abierto.us/counties/district-of-columbia-dc-11001
- City: Washington. https://abierto.us/cities/washington-dc-1150000
- First posted: August 7, 2025
- Last posted: December 30, 2025
- SAM.gov: https://sam.gov/workspace/contract/opp/0f40ad9230704ac1a0ba1568c92296a7/view

## Description

FAA Acquisition office is posting responses to questions as the result of the initial Draft SIR. Changes to the Draft SIR have been highlighted in blue. No response is required at this time. The final SIR is anticipated to be released in the coming weeks.

## Publications

- August 7, 2025: Presolicitation, due September 8, 2025 at 12:00 PM EDT. Notice 6e3fc32c5baa49d794bdce88993aca90. https://sam.gov/workspace/contract/opp/6e3fc32c5baa49d794bdce88993aca90/view
- December 30, 2025: Sources sought, due August 21, 2025 at 12:00 PM EDT. Notice 0f40ad9230704ac1a0ba1568c92296a7. https://sam.gov/workspace/contract/opp/0f40ad9230704ac1a0ba1568c92296a7/view

## Points of contact

- FAA AAQ 460 Contracting Office, 9-AFN-AWA-AAQ460-Contracting-Team@faa.gov

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/693ka925r00013.