List of aircraft registration prefixes

This is a list of aircraft registration prefixes used by civil aircraft:
Current (post-1928) allocations.
The 1928 markings have been amended and added to over the years, with the current markings being:
! scope="col" | Country or region
! scope="col" | Registration prefix
! scope="col" class="unsortable" | Presentation and notes
7T-WAA to 7T-WZZ Military
A9C-AAA to A9C-ZZZ
Before 15/08/2016 9Q. Previously 9O.
TU-VAA to TU-VZZ (Military)
HI-100 to HI-1999
TR-KAA to TR-KZZ (Military)
YL-000 (balloons)
A4O-AAA to A4O-ZZZ
Temporary assignment of Egyptian prefix
Colonial allocation VQ-P, replaced by 4X.