(1) ATM - Radio Operating Procedures 1 Flashcards
When can plain language be used? (1)
Only when standardised phraseology cannot serve an intended transmission
Who shall decide the order in which aircraft shall communicate? (1)
The aeronautical station
What is the civil VHF communications spectrum? (1)
118.000 to 136.975 Mhz
What VHF spacing is used within Europe? (1)
8.33 kHz
(although a small number of 25 kHz frequencies remain in use)
What are the classifications within the readability scale? (5)
1 = Unreadable
2 = Readable now and then
3 = Readable but with difficulty
4 = Readable
5 = Perfectly readable
Each digit is transmitted separately, when transmitting messages containing? (8)
- Aircraft callsigns
- Flight levels (except FL100, FL 200, etc.)
- Headings
- Wind direction & speed
- Pressure settings (except QNH 1000)
- Frequencies
- Transponder codes (except whole 000’s)
- Aircraft speeds
What is meant by “Acknowledge”? (1)
“Let me know that you have received and understood this message”
What is meant by “Affirm”? (1)
“Yes”
What is meant by “Approved”? (1)
“Permission for proposed action granted”
What is meant by “Break”? (1)
“I hereby indicate the separation between portions of the message”
What is meant by “Break Break”? (1)
“I hereby indicate the separation between messages transmitted to different aircraft in a very busy environment”
What is meant by “Cancel”? (1)
“Annul the previously transmitted clearance”
What is meant by “Check”? (1)
“Examine a system or procedure”
What is meant by “Cleared”? (1)
“Authorised to proceed under the conditions specified”
What is meant by “Confirm”? (1)
“I request verification of: (clearance, instruction, action, information) ”
What is meant by “Contact”? (1)
“Establish communications with…”
(Usually referring to details having been passed)
What is meant by “Correct”? (1)
“True” or “Accurate”
What is meant by “Correction”? (1)
“An error has been made in this transmission (or message indicated). The correct version is…”
What is meant by “Disregard”? (1)
“Ignore”
What is meant by “How do you read”? (1)
“What is the readability of my transmission?”
What is meant by “I say again”? (1)
“I repeat for clarity or emphasis”
What is meant by “Maintain”? (1)
“Continue in accordance with the condition(s) specified” (or in its literal sense)
e.g. “Maintain VFR”
What is meant by “Monitor”? (1)
“Listen out on (frequency)”
What is meant by “Negative”? (4)
- “No”
- “Permission not granted”
- “That is not correct”
- “Not capable”
