Editing Pennant number (section)

=== Royal Navy ===

The Royal Navy uses a single letter (typically the first letter of the ship's name) for aircraft carriers and large vessels operating aircraft, and pairs of letters (usually, letters from the ship's name) for smaller vessel.

[[Albion-class landing platform dock|''Albion'' class]]
* HMS ''Albion'' — AN
* HMS ''Bulwark'' — BK

[[River-class patrol vessel|River–class]]
* HMS ''Forth'' — FH
* HMS ''Medway'' — MY
* HMS ''Trent'' — TT
* HMS ''Tamar'' — TM
* HMS ''Spey'' — SP

[[Type 45 Destroyer|''Daring''–class]]
* HMS ''Daring'' — DA
* HMS ''Dauntless'' — DT
* HMS ''Diamond'' — DM
* HMS ''Dragon'' — DN
* HMS ''Defender'' — DF
* HMS ''Duncan'' — DU

[[Type 23 frigate|Duke–class]] 
* HMS ''Argyll'' — AY
* HMS ''Lancaster'' — LA
* HMS ''Iron Duke'' — IR
* HMS ''Montrose'' — MR
* HMS ''Westminster'' — WM
* HMS ''Northumberland'' — NL
* HMS ''Richmond'' — RM
* HMS ''Somerset'' — SM
* HMS ''Sutherland'' — SU
* HMS ''Kent'' — KT
* HMS ''Portland'' — PD
* HMS ''St Albans'' — SB

[[Invincible-class aircraft carrier|''Invincible''–class]]
* HMS ''Invincible'' — N
* HMS ''Illustrious'' — L
* HMS ''Ark Royal'' — R

[[Queen Elizabeth-class aircraft carrier|''Queen Elizabeth''–class]]
* HMS ''Queen Elizabeth'' — Q
* HMS ''Prince of Wales'' — P

[[Bay-class landing ship|Bay–class]]
* RFA ''Cardigan Bay'' — CB
* RFA ''Lyme Bay'' — YB
* RFA ''Mounts Bay'' — MB

[[Tide-class tanker|Tide class]]
* RFA ''Tidespring'' — TS
* RFA ''Tiderace'' — TR
* RFA ''Tidesurge'' — TU
* RFA ''Tideforce'' — TF

[[Wave-class tanker|Wave–class]]
* RFA ''Wave Knight'' — WK
* RFA ''Wave Ruler'' — WR

[[Fort Rosalie-class replenishment ship|''Fort Rosalie''–class]]
* RFA ''Fort Rosalie'' — FR
* RFA ''Fort Austin'' — FA

Individual ships
*  [[RFA Argus|RFA ''Argus'']] — AS
* RFA ''Fort Victoria'' — FV