Radio Law and Regulations

Question 1

Changes of Frequencies etc Upon Application

Answer 1

Reason - elimination of interference

Question 2

Quality of Radio Waves

Answer 2

AFT - Allowable Frequency Tolerance

BOF - Bandwidth of Frequencies

IOH - Intensity of Harmonics

The IOH is in the AFT BOF.

Question 3

Scope of Operations

Answer 3

• communication service for radios installed in ……aeronautical stations ….
• technical operation of external adjusting devices (EADS) for
  a. Radios installed in aircraft and
  b. Radio equipment with Antenna power 250 watts or less
• radar installed in aeronautical stations

Question 4

Protection of Secrecy

Answer 4

• intercept
• contents
• any particular person

Question 5

• Principles of Radio Communication

Answer 5

• no UNNECESSARY radio communications
• shall be as CONCISE as possible
• clarifies by identification signal (call sign)
• error corrected immediately

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Question 6

Priority of Communications

Answer 6

DISTRESS
URGENCY
- D direction finding
- F flight safety
- M meteorological message
- F flight regularity

NOTAMS = urgency communications

Question 7

Measures taken when receiving Distress Message

Answer 7

• message not replied to - reply
• message broadcast without specific station - reply
• in both case, NOTIFY ATC
• ELT - NOTIFY ATC

Question 8

Documents

Answer 8

• accurate time piece
• radio service log
• other documents

Question 9

Reissue of License

Answer 9

• loss
• destroying
• staining

Question 10

Suspension of Emitting Radio Waves

Answer 10

Radio station does not satisfy the requirements

Question 11

Revocation of Radio Operator License

Answer 11

• contravening radio law
• obtained licence by illegal means
• radio operator has become a person not suitable

Question 12

Must Reports

Answer 12

• Distress, Urgency, safety
• other station violating the law
• restricted to operate a radio station in a foreign country

Question 13

Valid Terms of Licences

Answer 13

• within 5 years from the date of a license granted.
• indefinite for aircraft stations
• compulsory aircraft stations

Question 14

Exemptions from operating within the scope of operations

Answer 14

• distress communications
• urgency communications
• safety communications
• emergency communications
• receiving broadcasts

Question 15

Restrictive Use of 121.5

Answer 15

• Frequency normally used is uncertain
• ship station in distress
• sending preparatory signals for search and rescue

Question 16

Obligation to provide and display license

Answer 16

A radio license shall be provided in the radio station.

Question 17

Grant of provisional license

Answer 17

CTCAO

• C completion date of construction
• T type (radio waves and frequencies)
• Callsign, call name, identification signal
• Antenna power
• operation permitted hours

Question 18

Inspection after completion of construction work

Answer 18

• submit a notification
• have the inspection for the
  
  • radio equipment
  • qualifications of operators
  • number of operators
  • timepiece
  • documents

Question 19

Blind Transmission
Receiver Failure

Answer 19

• receiver failure
• aeronautical station
• “TRANSMITTING BLIND DUE RECEIVER FAILURE”

Question 20

Distress Message

Answer 20

MAYDAY MAYDAY MAYDAY

• station being called
• ident of aircraft in distress
• Nature of distress
• intentions
• position altitude heading