C - Coastal 
C&E - Communication and Electronic 
C&M - Care and Maintenance 
CA - Controller, Aircraft 
CAACU - Civilian Anti-Aircraft Co-oper… 
CACF - Coast Artillery Co-operation Fl… 
CACS - Central Air Command Section 
CACU - Coast Artillery Co-operation Un… 
CAEU - Casualty Air Evacuation Unit 
Cal Flt - Calibration Flight 
Cam-ship - Catapult-armed Merchant shi… 
CAMO - Camouflage Unit 
CANS - Civil Air Navigation School 
CAOS - Combined Air Observers School 
Cap - captain 
CARD - Central Aircraft Repair Depot 
CASEVAC - casualty evacuation 
CASTS - Combined Anti Submarine Tactic… 
Cat - Category 
CAT - College of Air Training 
CATCS - Central Air Traffic Control Sc… 
CBCF - Coastal Battery Cooperation Fli… 
CBCS - Coastal Battery Cooperation Sch… 
CBE - Central Bomber Establishment 
CC - Confined to camp 
CCDU - Coastal Command Development Uni… 
CCF - Check and Conversation Flight 
CCF - Iraq Command Communication Fligh… 
CCFATU - Coastal Command Fighter Affil… 
CCIS - Coastal Command Instructors Sch…