From: sylvia@email.invalid   
      
   On 28-Dec-20 9:16 pm, JF Mezei wrote:   
   > SN8's landing showed what happens when they is a glitch.   
   >   
   > Falcon9 is similar, but they are now building a record of "no glitch"   
   > landings.   
   >   
   > What sort of process is envisaged to allow SpaceX to carry passengers on   
   > Starship?   
   >   
   > It basically breaks a whole bunch of "covenants" established so far   
   > (launch escape system, doesn't explode on a hard landing etc)   
   >   
   >  From a process point of view, if SpaxeX wants to carry paying customers   
   > on a spin around the Earth and landing back, whom do they have to answer   
   > to? FAA ? Nasa?   
   >   
   > Obviously, if they want to land NASA astronauts on the Moon, they have   
   > to answer to NASA.  At which point, it becomes who is the lesser of all   
   > evils since all landers will be powered landing with enough fuel left by   
   > necessity to ba able to launch back to orbit. So any glitch, and it is   
   > bada boom, big badaboom.   
   >   
   >   
   > Does getting the OK to use Starship to do powered landing on Moon   
   > provide implicit/easy way to get approval to do powered landings on Earth?   
   >   
   > Or will whoever is in charge require SpaceX to do X powerlandings and   
   > have faulure rate of less than Y?   
   >   
      
   I think it will come down to redundancy and structural safety margins,   
   as it does with airliners, which don't have an escape system either.   
      
   Sylvia.   
      
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