Reply #12: Nonsense, absolute nonsense

[DulceDecorum]

LARED says:
The help link you provided was the key. The N number rules are for those that are registered aircraft. Not aircraft already registered. You should email the FAA and ask them why their look-up page does not support old N numbers.

Huh?
What is the difference between
"those that are registered aircraft"
and
"aircraft already registered?"

Those N-numbers are NOT "old" N-numbers.
They are simply NON-EXISTENT.
http://www.aerofiles.com/regs.html

Think about it LARED,
they are called registration NUMBERS
NOT registration LETTERS.

Valid N-Number Instructions:
N-Numbers consist of a series of alphanumeric characters. U.S. registration numbers may not exceed five (5) characters in addition to the standard U.S. registration prefix letter "N". These characters may be one (1) to five (5) numbers (e.g., N12345), one (1) to four (4) numbers and one (1) suffix letter (ex. - N1234Z), or one (1) to three (3) numbers and two (2) suffix letters (N123AZ). To avoid confusion with the numbers one and zero, the letters "I" and "O" may not be used.

An N-Number may not begin with zero. The first zero in a number must be preceded by at least one of the numbers one (1) through nine (9). For example, N01Z is not valid.

Registration numbers N1 through N99 are reserved for Federal Aviation Administration (FAA) internal use and are not available.

The FAA no longer issues numbers beginning with "NC", "NX", "NR", or "NL". On some older aircraft, these registration prefixes may be displayed in accordance with FAR 45.22.
http://162.58.35.241/e.gov/n-numHelp.asp

LARED, the FAA states clearly that one or two suffix letters are permissible.
The flights in question have MORE THAN TWO LETTERS.
THEY ARE NOT VALID N-NUMBERS.
And that is all there is to it.

LARED says:
Look here as well.
http://registry.faa.gov/ardata.asp
You can download the whole database for yourself.

Well dear, I had a look at that particular page.
And nothing on that page indicates that the N-numbers with more than two suffix letters are anything BUT bogus.
http://registry.faa.gov/nnumber.asp

Those planes sporting the bogus N-numbers are very very numerous.
I wonder how they have been slipping by the hard working and well-informed ATC personnel.