Extension for FAA AST Environmental Support Services

The Federal Aviation Administration (FAA), under the Department of Transportation, issued this Special Notice on February 25, 2026, to announce an extension of the proposal submission deadline for the AST Environmental Support Services solicitation (693KA9-26-R-00009). The original solicitation was posted on January 15, 2026, and has been extended through Amendment Number 0001. This Special Notice notifies industry participants that interested contractors should continue monitoring SAM.gov for updates and prepare their submissions accordingly. The opportunity falls under the NAICS category of Other Scientific and Technical Consulting Services and is classified under the PSC category of Support – Professional: Engineering/Technical. This is a civilian contracting opportunity with no set-aside restrictions.

The primary objective of this amendment is to extend the proposal submission deadline to March 18, 2026, at 2:00 PM EST, allowing contractors additional time to prepare and submit their proposals. All contractors submitting proposals must acknowledge receipt of this amendment prior to the deadline through one of three methods: completing items 8 and 15 and returning copies of the amendment, acknowledging receipt on each copy of the offer submitted, or submitting a separate letter or telegram referencing the solicitation and amendment numbers. Failure to acknowledge receipt by the extended deadline may result in rejection of the offer. There are no specific stated eligibility restrictions for contractors to participate in this solicitation. All other terms, conditions, and requirements of the original solicitation remain unchanged and continue to be in full force and effect, requiring interested parties to review the complete solicitation documents for comprehensive information regarding technical requirements, evaluation criteria, and submission procedures.