If you pledged for a ship and don't see it...
...it's likely that the ship is not flight-ready. All ships currently in the "concept" phase of development fall into the "not flight-ready" category. By flight-ready, we mean that players can go into the 'verse and fly the ship now instead of having to wait for development on the particular model to be done.
Should you be in possession of ship that can't be used in game, RSI provides a temporary loaner ship that you can use until your actual ship is finished and ready to go. Check out the Loaner Ship Matrix to see what you will have access to.
If you upgraded one of your ships and don't see it...
...check your hangar page within your RSI account. Upgrading a ship from the pledge store upgrade tool does not immediately apply the change to your ship. It will place an upgrade item on your account so you can select the specific ship from your fleet to upgrade, in case you own multiple eligible ships. To get there, login on the website, click your RSI Account Icon in the upper right, then select My Hangar from the links offered.
If you're already logged in, click here.
Ship upgrades are intended to be permanent, so choose wisely.
If you were previously using your ship and it has vanished...
...check our Known Issues section for any currently known in-game troubles and place a bug report.
Alternately, if the ship was a gift from another player, you will need to contact that player to inquire about the status of the pledge.