Originally Posted by
marbe166
That is not the case. The FAA regulation on Identification and Registration Marking (FAR 45) does not require a flag, only the registration (N-registration). That said, many US registered aircraft do have a flag near the registration.
To me it sounds like a lame excuse to cover the real reason for the delay.
US flag only required for civil a/c entering Los Angeles airspace while John Belushi flying night CAP over city in early model P-40.