Describe ICAO Reference code and explain what 3E means
ICAO reference code refers to the most demanding type of aircraft that the aerodrome can serve based on the RFL, WS and OMG of the aircraft
3E means that the critical aircraft has an RFL of between 1200m-1800m and a WS of 52 to 65m
3E means that the critical aircraft has an RFL of between 1200m-1800m and a WS of 52 to 65m