RROC NTC Exam Practice Flashcards

Flashcards covering vocabulary, frequencies, signals, and regulations for the Restricted Aircraft Radio Operator Certificate (RROC) NTC Exam.

Aeronautical Fixed Service

A radio service intended for the transmission of information relating to Air Navigation, preparation for, and safety of flight.

International Civil Aviation Organization (ICAO)

The international governing body for civil aviation.

Instrument Landing System (ILS)

Radio equipment capable of giving horizontal reference before and after landing.

PAN PAN PAN

The international radio telephone urgency signal indicating a condition concerning the safety of an aircraft, vehicle, or person on board but not requiring immediate assistance.

Emergency Locator Transmitter (ELT) Frequencies

$121.5\,MHz$ or $243\,MHz$.

National Telecommunication Commission (NTC)

The agency responsible for the regulation of all radio and radio operators; it is headed by a Commissioner.

Working Frequency

The frequency stations move to after initial contact is established on a calling frequency.

WILCO

Transmission meaning 'Your instructions received, understood and will be completed with.'

MAYDAY

The spoken word for distress communications, repeated three times ($3\times$) to indicate a condition of serious or imminent danger requiring immediate assistance.

OVER

Spoken at the end of a transmission to indicate the sender expects a response; means 'My transmission is ended and I expect a response from you.'

SEELONCE

Aeronautical phrase meaning 'stop transmitting' used to indicate that silence has been imposed on a frequency due to a distress situation.

ROGER

Transmission meaning 'I have received all of your last transmission.'

RADAR

A system used to determine the speed, altitude range, and heading of an aircraft.

SECURITE

The international radio telephone safety signal.

Secrecy of Communication

Provision of the radio control law stating that the content of any radio message should be divulged only to the addressee (except for broadcast stations).

Call Sign

A combination of numbers and/or letters used as a means of station identification.

Maximum Individual Violation Penalty

A fine of $5,000\,PHP$ and imprisonment of one ($1$) year.

Squelch

The control that should be adjusted to reduce noise while the receiver is on standby.

Radio Control Law

Better known as Republic Act $3846$ as amended.

Speaker

An equipment capable of converting electrical signals into audio signals (sound energy).

International Telecommunication Union (ITU)

The organization responsible for the international regulation of radiotelephone.

Very High Frequency (VHF)

Frequency range from $30\,MHz$ to $300\,MHz$, used for short distance terrestrial communication.

Airworthiness

A certificate that assures an aircraft is maintained and operated properly.

AIREP (Aircraft In-flight Report)

A report of actual meteorological events or weather conditions encountered by an aircraft while in flight.

Readability 3

Scale of readability meaning 'Fair (Readable but with difficulty).'

Readability 5

Scale of readability meaning 'Excellent (Perfectly Readable).'

SEELONCE FEENEE

International expression to indicate that the distress situation has ended.

Time/Date format (16th at 4:20 PM EST)

$161620E$ (formatted as Date, Time in $24:00$ hours, and Place).

Blind Transmission

A transmission from one station to another where two-way communication cannot be established but the called station is believed to be able to receive information.

Distance Measuring Equipment (DME)

A navigation beacon used to measure the position/distance of an aircraft relative to the beacon.

Automatic Direction Finder (ADF)

A radio-navigation instrument that displays the relative bearing from the aircraft to a suitable radio station.

Global Positioning System (GPS)

An umbrella term for satellite-based systems; requires four ($4$) satellites to yield a three-dimensional position ($Latitude, Longitude, and Altitude$) and time solution.

VNE

The redline on an airspeed indicator meaning 'Never Exceed Speed.'

High Frequency (HF)

Frequency range of $3$ to $30\,MHz$, used for sky wave propagation (decameter band).

Control Tower

A unit established to provide safe, orderly, and expeditious flow of traffic in the vicinity of an airport.

NOTAM

Broadcast service including information concerning the establishment, condition, or change in any aeronautical facility, service, procedure, or hazard.

7600

Transponder code used for radio communication failure.

7500

Discrete transponder or squawk code used to signal 'hijacked'.

Coordinated Universal Time (Zulu Time)

The primary time standard used to avoid confusion between different time zones in aviation.

Ultra High Frequency (UHF)

Frequency range between $300\,MHz$ to $3,000\,MHz$.

Audio Frequency range

$30\,Hz$ to $30\,kHz$.

4 C's of Emergency

Climb, Confess, Communicate, Comply.