'FAA’s Closure Of The Mishap Investigation Does Not Predetermine The Results Of Any Ongoing Or Future Environmental Reviews'
The FAA has issued a brief statement in which they state that they have closed the SpaceX Starship Super Heavy mishap investigation.
The final report cites multiple root causes of the April 20, 2023, mishap and 63 corrective actions SpaceX must take to prevent mishap reoccurrence. Corrective actions include redesigns of vehicle hardware to prevent leaks and fires, redesign of the launch pad to increase its robustness, incorporation of additional reviews in the design process, additional analysis and testing of safety critical systems and components including the Autonomous Flight Safety System, and the application of additional change control practices.
The closure of the mishap investigation does not signal an immediate resumption of Starship launches at Boca Chica. SpaceX must implement all corrective actions that impact public safety and apply for and receive a license modification from the FAA that addresses all safety, environmental and other applicable regulatory requirements prior to the next Starship launch.
The letter notes that, "On April 20, 2023, Space Exploration Technologies, Inc. (SpaceX) conducted Starship Super Heavy launch operations from its Boca Chica, Texas site under Federal Aviation Administration (FAA) launch license VOL 23-129. During lift-off, structural failure of the launch pad deck foundation occurred, sending debris and sand into the air. On ascent, the vehicle deviated from the expected trajectory, resulting in the Autonomous Flight Safety System (AFSS) issuing a destruct command. After an unexpected delay following AFSS activation, Starship broke up, resulting in the loss of the launch vehicle.
The FAA classified the Starship Launch as a mishap, as defined in Title 14 Code of Federal Regulations (14 CFR) § 401.7 paragraphs (2), (6), and (7)."
The final mishap investigation report cited a total of sixty-three (63) corrective actions for SpaceX to implement. These included actions to address redesigns of vehicle hardware to prevent leaks and fires, redesign of the launch pad to increase its robustness, incorporation of additional reviews in the design process, additional analysis and testing of safety critical
The letter adds that, "The final mishap investigation report cited a total of sixty-three (63) corrective actions for SpaceX to implement. These included actions to address redesigns of vehicle hardware to prevent leaks and fires, redesign of the launch pad to increase its robustness, incorporation of additional reviews in the design process, additional analysis and testing of safety critical systems and components including the Autonomous Flight Safety System (AFSS), and the application of additional change control practices."
The FAA missive concludes by stating, "Launch license VOL 23-129 for Starship authorized SpaceX to conduct one launch. SpaceX is required to apply for a modification to the VOL 23-129 license to allow for subsequent launches. When SpaceX applies for this modification, it will need to demonstrate compliance with 450.173(f) by evidencing the implementation of corrective actions adopted in response to its April 20, 2023 mishap. If FAA approves the modification, SpaceX will be required to conduct licensed activities in accordance with the representations made in its application (450.211). Failure to do so is grounds for enforcement. Once the FAA determines SpaceX has implemented the corrective actions directly tied to public safety, the agency will consider SpaceX to be in compliance with 450.173(f).
Further, the FAA’s closure of the mishap investigation does not predetermine the results of any ongoing or future environmental reviews associated with Starship operations at Boca Chica."
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