Noted at El Centro on a quick visit Tuesday 24apr18:
F/A18's
164876/WK11
164878/WK01
164887/NA210
164951/WK05
164961/WK08
CH53's
162493/YJ493
164860/YJ860
?/YJ77x
AV8B's
10x
Puma RAF
3x
Chinook RAF
2x
Another visit was on Saturday 28apr18;
AV8B's
10x (most likely the same as on the 24th)
163883/WE20
165004/WE05
165421/WE02
165566/WE12
F/A18's
163993/SH143
164054/SH156
164241/SH256
164734/SH165
165680/CE01
165411/CE05
CH53's
162493/YJ493
163077/YJ077
164789/YJ789
164860/YJ860
MH60's
167845/WC50
167849/WC52
168580/WC45
?/WC54
Chinook RAF
3x
Underlined serials are confirmed.
If anyone can fill any of the blanks, especially the ten Harriers, that's highly appreciated.