The Federal Aviation Administration (FAA) issued a Temporary Certificate of Registration for N550GP, a Gulfstream Aerospace GV-SP (G550) with serial number 5173, on July 22, 2021, which was valid until August 21, 2021 [1] [3]. The FAA also provided flight plan information for various aircraft, including N491GM and N722JE, in response to a request from the FBI in January 2020 [2]. The FAA is responsible for maintaining records of aircraft registration and airworthiness, and requires owners to carry certain documents, such as a Temporary Certificate of Registration, in the aircraft [1] [3]. The FAA also records security conveyances covering aircraft, such as the one recorded on June 3, 2016, for a Bell 407 with serial number 53375 [6]. The FAA has a Flight Standards District Office that can provide information on airworthiness [1]. The FAA's Aircraft Registration Branch is responsible for issuing registration certificates and other documents related to aircraft registration [1] [4] [5].