Securing General Aviation and Commercial Charter Air Carrier Service Act of 2017 (Sec. 2) This bill directs the Transportation Security Administration (TSA) to study the cost and feasibility of establishing web-based access to the Secure Flight passenger screening program for commercial charter air carriers. (Sec. 3) The TSA is authorized to provide screening services to a commercial charter air carrier in areas other than primary passenger terminals of airports upon such carrier's request. TSA shall enter into an agreement for compensation from such carrier for the cost of providing such services. (Sec. 4) The TSA shall submit to Congress an implementation plan for the recommendations adopted by the Aviation Security Advisory Committee and concurred to by the TSA: on February 17, 2015, regarding general aviation access to Ronald Reagan Washington National Airport, on July 28, 2016, regarding the vetting of persons seeking flight training in the United States, and prior to enactment of this bill regarding general aviation security. (Sec. 5) The TSA is authorized to designate at least one full-time TSA employee to be responsible for engagement with general aviation stakeholders and to manage issues related to general aviation. (Sec. 6) The TSA shall report on the feasibility of requiring security threat assessments for all candidates seeking flight school training in operating aircraft weighing more than 12,500 pounds to enhance the vetting of persons seeking such training in the United States.