What kind of flags were displayed at Titanic's launching?

Dan Kappes

In Episode 9 of Titanic: Blood and Steel, I noticed the American flag and the United Kingdom flag on the gantry above the Titanic as she is launched.

Were there any other flags displayed during the launch?
From the Belfast News-Letter, the White Star Line's flag was flown at the bow. Code flags spelling "success" were also displayed. These would have been the code flags of 1911, which were not quite like the present international code. Ten minutes before the launch, a red warning flag was hoisted at the stern.