CASA AROC flashcards

32 cards. Read the term and the definition here. The deck at the top of this page is optional.

AROC definition

An aviation radio operator certificate that confirms the holder has met the competency requirements to operate radiocommunications equipment on aeronautical frequencies for flight safety purposes.

Issuing authority

The AROC is issued through a CASA-approved or delegated assessor or approved training provider, not directly by CASA in the normal first-issue pathway.

Application evidence

Applicants must provide proof of identity, evidence of completed approved training or recognised equivalence, and a passed assessment record from an approved assessor.

Certificate currency

AROC certificates generally have no expiry date, but the holder must maintain competence and comply with ongoing regulatory obligations and any conditions imposed.

Overseas qualification recognition

Foreign or military radio qualifications may be recognised through a CASA equivalence assessment, but the applicant must still demonstrate knowledge of Australian procedures and frequencies.

Notification of change

Holders must notify the issuing authority of changes to name or address so the register of qualified radio operators remains accurate and current.

Suspension grounds

Privileges may be suspended or cancelled for safety-related breaches, regulatory non-compliance, or falsification of assessment or operational records.

Record retention

Assessment records and certificates must be retained by the issuing organisation and produced on request by CASA or an authorised officer during audit.

Training syllabus coverage

Approved training must cover radio theory, frequency bands, standard phraseology, emergency procedures, and the regulatory obligations attached to the qualification.

Practical assessment content

The practical assessment tests standard calls, clearance readback, position reporting, and handling of abnormal and emergency radiotelephony situations under simulated or live conditions.

Knowledge assessment scope

Knowledge testing covers frequency allocation, licence conditions, radio failure procedures, interference reporting, and the legal framework governing aeronautical transmissions.

Assessor delegation

Assessors must hold a current delegation or approval from CASA or the issuing organisation and must document the outcome, including any conditions or limitations.

Failed assessment handling

A candidate who fails any component must complete remedial training and be re-assessed; a failed attempt cannot be recorded or reported as a pass.

Recency of competence

The AROC itself does not impose a recency requirement, but operators must maintain competence through operational experience and any recurrent training required by their employer.

Assessment documentation

Assessment outcomes, including conditions and limitations, must be recorded and retained so that the qualification can be verified during audit or regulatory review.

Standard phraseology rule

ICAO and Australian standard phraseology must be used for all routine transmissions; plain language is permitted only when standard phraseology cannot adequately convey the message.

Mandatory readback items

Clearances, runway instructions, altitude and heading instructions, and frequency changes affecting safety must be read back in full to confirm correct receipt.

MAYDAY call

A distress call consists of MAYDAY spoken three times, followed by the station identification and the nature of the distress, transmitted on the frequency in use.

PAN PAN call

An urgency call consists of PAN PAN spoken three times, followed by the station identification and the nature of the urgency, used when immediate assistance is needed but no imminent danger exists.

Radio failure squawk

On radio failure, set transponder code 7600, attempt contact on the last assigned frequency, then on 121.5 MHz, and follow the published lost-communication procedure.

Position report format

A standard position report includes aircraft identification, position, time, altitude, and the next position with its estimated time of arrival.

Frequency change readback

A frequency change instruction must be read back and the new frequency confirmed before the aircraft leaves the current frequency.

Emergency frequency use

121.5 MHz is reserved for genuine distress, urgency, and safety communications; unauthorised or routine transmissions on this frequency are prohibited.

Phonetic alphabet use

Letters and unclear items are transmitted using the ICAO phonetic alphabet, and numbers are spoken using standard group pronunciation to avoid ambiguity.

AROC privileges

The AROC authorises the holder to operate radiocommunications equipment on aeronautical frequencies for flight safety purposes, subject to the conditions of the associated licence.

False distress prohibition

Transmitting false or misleading distress, urgency, or safety signals is an offence under radiocommunications and aviation legislation and may lead to prosecution.

Listening watch duty

Operators must maintain a listening watch on the assigned frequency and must avoid causing harmful interference to other stations using the same or adjacent frequencies.

Permitted traffic scope

Transmissions must be limited to matters relating to flight safety and efficient aircraft operation; personal, commercial, or unnecessary traffic is prohibited on aeronautical frequencies.

Regulatory framework

The framework includes the Radiocommunications Act, the Civil Aviation Act and associated regulations, plus CASA advisory publications on radiotelephony procedures.

Reporting irregularities

Operators must report radio failures and communications irregularities to the appropriate authority and comply with directions issued by air traffic control.

Breach consequences

Breaches of radio operator obligations may result in suspension or cancellation of the qualification, fines, or prosecution, and holders must keep their procedural knowledge current.

Record production duty

Where radio communication records are required, the operator must retain them and produce them on request by CASA or another authorised officer.