9/11 memorial in style

The Associated Press has published a style guide of 9/11 terms. The full list is here, courtesy of Nieman Journalism Lab.

Here's an example:

Flight 93
Acceptable in first reference for United Airlines Flight 93, which crashed near Shanksville, Pa. Include airline name and context of crash in subsequent references. Flight 93 memorial is acceptable in all references for the Flight 93 National Memorial at the crash site.