Resolution criteria for what counts as an attempt copied from 

For the purposes of this market the test doesn't have to be successful or even conclusive - a scrub is fine as long as it's clear that SpaceX was trying to do an orbital flight test.

I'll resolve YES if an official SpaceX social media channel puts up a livestream entitled "Starship Orbital Flight Test", "Starship Orbital Launch", or similar, which shows a live feed of Starship and a countdown, NO if there is clearly no such livestream by market close, and N/A if it is ambiguous whether this has happened at market close.

April 17th refers to local time at the launch site.

Note: if there is a successful launch or vehicle destruction prior to the 17th, I will resolve this market NO immediately.