Specifications include, but are not limited to: The Navajo Air Transportation Program proposes to contract on behalf of the Navajo Nation, (hereinafter referred to as “Nation”) with an organization (hereinafter referred to as "Supplier"), to provide Private Air Charter Service as described herein. The Nation is seeking to supplement our current flight services with private charter air services to meet travel needs for the Navajo Nation President & Vice President, Navajo Nation Council Delegates, and various Navajo Nation Programs and Departments. Competitive responses are requested from qualified air travel firms capable of delivering On-Demand Charter Air Services. The Nation’s intent is to contract with a qualified vendors who can deliver the most comprehensive, safest, and quality program while providing the best value.