EASA090 aviation-communications foundations cheat sheet
EASA090 aviation-communications foundations · Keep the key ideas within reach.
Clear messages, readbacks and conditions
ROGER is receipt, not a substitute for mandatory readback.
WILCO, UNABLE and STAND BY have distinct functions.
Retain aircraft identity and every relevant clearance condition.
Line up and wait does not authorize take-off.
Number transmission depends on the current rule and quantity.
Distress, urgency and communication contingencies
Distress and urgency differ by the actual danger and assistance needed.
Persons can face a distress condition even if the aircraft remains controllable.
A working frequency can be used for a distress message.
A receiver failure and transmitter failure require distinct reasoning.
A classroom recognition answer is not a complete lost-communication procedure.
Radio systems, information services and limitations
VHF horizon calculations are models, not guaranteed coverage.
Channel spacing is distinct from propagation range.
ATIS and VOLMET are information services, not individual clearances.
Preserve weather-report conditions and validity periods.
CPDLC, ADS-B and SELCAL perform different communication functions.