E&WS: Electrical & Wireless School
EAAS: Empire Air Armament School
EAC: Eastern Air Command
EAF: East Africa Flight
EANS: Elementary Air Navigation School
EANS: Empire Air Navigation School
EAOS: Elementary Air Observer School
EASSU: Enemy Aircraft Storage & Servicing Unit
EATS: Empire Air Training Scheme
EBTS: Elementary and Basic Training School
EC: Engagement Controller
EC: Escadrille de Chasse
ECDU: Electronic Countermeasures Development Unit
ECDU: Engine Control Demonstration Unit
ECFS: Empire Central Flying School
ECI: Engineer Control Instructors
ECM: Electronic Counter Measures
ECU: Electronic Countermeasures Unit
EFS: Empire Flying School
EFTS: Elementary Flying Training School
EGS: Elementary Gliding School
EGTS: Elementary Glider Training School
ELG: Emergency Landing Ground
EMUAS: East Midlands University Air Squadron
EOWS: Elementary Observer Wireless School
EP: Equipment Park
ERS: Empire Radio School
ERS: Engine Repair Section
ETA: Estimated Time of Arrival
ETO: European Theatre of Operations
ETPS: Empire Test Pilots School
EU: Equipment Unit
EUAS: Edinburgh University Air Squadron
Evd: Evaded Capture
EWAU: Electronic Ware fare Avionics Unit
EWE&TU: Electronic Ware fare Experimental & Training Unit
EWS: Emergency Water Supply