AA
|
Anti-Aircraft Rate |
AC
|
Aircraft Controlman
|
AF
|
Air Fitter
|
AR
|
Air Rigger
|
AT
|
Air Artificer
|
AW
|
Administrative
Writer
|
BD
|
Bandsman
|
BK
|
Blacksmith
|
CA
|
Control Armourer
|
CC
|
Communicator (Crypto)
|
CK
|
Cook (S) (Seaman)
Until Jan 1951 then Cook (CK). The Cook (S) and Cook (O) trade
amalgamated. The (O) & (S) designation was removed
|
CM
|
Communicator
|
CO
|
Cook (O) (Officer)
- Until Jan 1951 then CK. The Cook (S) and Cook (O) trade amalgamated.
The (O) & (S) designation was removed
|
CS
|
Communicator (Special)
|
CV
|
Communicator (Visual)
|
CW
|
Communicator (W)
|
EA
|
Electrical Technician (Air)
|
EM
|
Electrician's Mate
until Sep 1953 then LM
|
EM
|
Engineering Mechanic from
Sep 1953. Formerly Stoker Mechanic (SM)
|
ER
|
Engine Room Artificer
|
ET
|
Electrical Technician
|
GA
|
Gunnery Armourer
|
GI
|
Gunnery Instructor
|
HA
|
Hygiene Assistant
|
LA
|
Laboratory Assistant
|
LM
|
Electrician's Mate (former EM)
|
LR
|
Layer Rate
|
MA
|
Medical Assistant
|
MM
|
Motor Mechanic
|
MO
|
Meteorological Observer
|
MR
|
Master-at-Arms
|
NA
|
Naval Airman
|
NS
|
Naval Storesman
|
OR
|
Operating Room Assistant
|
PA
|
Physiotherapy Aide
|
PB
|
Plumber
|
PC
|
Plane Technician
|
PH
|
Photographer
|
PI
|
Plot and Radar Instructor
|
PM
|
Pharmacist
|
PN
|
Painter
|
PT
|
Physical and Recreational
Training Instructor
|
PW
|
Pay Writer
|
QI
|
Quartermaster Instructor
|
QM
|
Quartermaster Rate
|
QR
|
Quarters Rate
|
RA
|
Radio Technician (Air)
|
RC
|
Radar Control Rate
|
RD
|
Radio Technician (Detection)
|
RG
|
Regulating Petty Officer
|
RP
|
Radar Plot Rate
|
RR
|
Radiographer
|
RT
|
Radio Technician
|
SE
|
Safety Equipment
Technician
|
SH
|
Shipwright
|
SL
|
Sailmaker
|
SM
|
Stoker Mechanic
until Sep 1953 then EM
|
SW
|
Steward
|
TA
|
Torpedo Armourer
|
TD
|
Torpedo Detector
|
TI
|
Torpedo / Anti-Submarine
Instructor
|
VS
|
Victualling Storesman
|