PSTAR Radio Communications and Phraseology 1 — Questions and Answers
Question 1: What is the aviation distress frequency that should always be monitored?
- 118.0 MHz
- 121.5 MHz (Correct answer)
- 122.8 MHz
- 123.45 MHz
Correct answer: 121.5 MHz
121.5 MHz is the international aviation emergency frequency, monitored by ATC facilities and used for distress calls.
Question 2: What does the phrase 'WILCO' mean in radio communication?
- I acknowledge your message
- I have received and understood your message and will comply (Correct answer)
- Say again your last transmission
- I am unable to comply
Correct answer: I have received and understood your message and will comply
WILCO is a contraction of 'Will Comply' — it confirms receipt, understanding, and intent to follow the instruction.
Question 3: What is the proper way to state the time 1435 UTC in a radio transmission?
- Fourteen thirty-five
- One-four-three-five (Correct answer)
- Quarter to three
- Fourteen hours, thirty-five minutes
Correct answer: One-four-three-five
Times in aviation radio communications are stated digit by digit: 'One-four-three-five' to avoid confusion with similar-sounding numbers.
Question 4: What frequency is commonly used at non-towered airports for traffic advisories?
- 121.5 MHz
- 122.8 MHz (Correct answer)
- 123.0 MHz
- 122.75 MHz
Correct answer: 122.8 MHz
CTAF (Common Traffic Advisory Frequency) of 122.8 MHz is one of the most commonly assigned frequencies at non-towered airports.
Question 5: When should a pilot say 'MAYDAY' on the radio?
- Whenever visibility drops below 3 miles
- During any precautionary landing
- When facing a life-threatening emergency requiring immediate assistance (Correct answer)
- When declaring minimum fuel
Correct answer: When facing a life-threatening emergency requiring immediate assistance
MAYDAY (repeated three times) is reserved for life-threatening emergencies requiring immediate assistance from rescue services.
Question 6: What does 'ATIS' stand for?
- Air Traffic Information Service
- Automated Terminal Information Service (Correct answer)
- Airport Traffic and Information System
- Aerodrome Terminal Information Summary
Correct answer: Automated Terminal Information Service
ATIS (Automated Terminal Information Service) broadcasts current weather, active runways, and NOTAMs in a continuous loop at larger airports.
What is the aviation distress frequency that should always be monitored?