EASA090 aviation-communications foundations study guide
EASA090 aviation-communications foundations · Work through your exam, one topic at a time.
This independent study page provides practice for EASA090 aviation-communications foundations. Its editorial learning areas include Messages, identity, clearances and readbacks; Distress, urgency and communication contingencies; Radio systems and information services. The questions develop subject knowledge and application through worked reasoning, distinctions between competing answers, and practical scenarios. Study the relevant guide before attempting a mixed set, then explain the evidence or calculation that supports each answer. Topics on this exam: Messages, identity, clearances and readbacks, Distress, urgency and communication contingencies, and Radio systems and information services. The EASA090 aviation-communications foundations study guide has 3 sections and about 1,355 words.
01Clear messages, readbacks and conditions
Aeronautical communication is a closed-loop information process, not a contest to use the fewest words. Identify the station and aircraft, listen before transmitting, use the prescribed phraseology and preserve the actual clearance conditions. When standard phrases cannot express an unusual situation, clear plain language is preferable to a confident but misleading shortcut. This collection teaches theoretical interpretation and does not authorize movement or replace current procedures.
446 words, about 2 min02Distress, urgency and communication contingencies
The purpose of an emergency transmission is to make a safety problem understood with the appropriate priority. Distress concerns grave and imminent danger requiring immediate assistance; urgency concerns safety without that distress condition. MAYDAY and PAN PAN are therefore different priority signals, not interchangeable labels for any inconvenient event. The category depends on the actual circumstances, including threats to persons, rather than merely the name of a malfunction.
466 words, about 2 min03Radio systems, information services and limitations
A communication system includes equipment, the propagation path and the meaning of the information received. Correctly selecting a frequency does not guarantee coverage, intelligibility or a clearance. Separate radio physics from air traffic services and separate an information broadcast from an instruction addressed to a particular aircraft. The examples here concern shared technical foundations, without importing another country's airspace permissions.
443 words, about 2 min