Communications in Class G Airspace Flashcards

1
Q

The pilot in command of an IFR aircraft in Class G airspace must attempt to _________________ when taxiing.

A

contact ATS on VHF or HF

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2
Q

When unable to established contact with ATS, in what circumstances may an IFR aircraft in class G airspace still taxi and take-off?

A

Provided contact is established as soon as possible after take-off and the following conditions are complied with:

(RPT, CHTR, AWK)
1. where the operator of the flight is an AOC holder, aerial work certificate holder or Part 141 certificate holder — the pilot is assured of radio contact with their operator, or a representative of their operator who has immediate access to a serviceable telephone, until contact is made with the air traffic service; or

(Other than RPT)
2. except for Part 121 operations conducted using aircraft with a MOPSC greater than 19 seats - a SARTIME for departure, that is a maximum of 30 minutes after commencing to taxi has been established with air traffic services.

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3
Q

Who may nominate a SARTIME for departure and how?

A

A pilot of other than an IFR RPT flight.

Either as part of the arrival report or when submitting flight notification by the phrase SARTIME FOR DEPARTURE

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4
Q

If a report is not received by the nominated SARTIME for departure what will occur?

A

SAR alerting action will be initiated

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5
Q

When are ATC required to pass traffic information (or advice of no reports) to IFR traffic?

A

a) requested by pilots;
b) pilots notify intention to change level;
c) pilots notify either taxi or airborne or departure, whichever is first; or
d) you become aware of relevant traffic.

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6
Q

What elements may Directed Traffic Information include?

A

a) aircraft identification;
b) type, and description if unfamiliar;
c) position information;
d) estimated time of passing or closest point of approach;
e) direction of flight or route of aircraft;
f) level;
g) intentions of the pilot, such as:
i) initial departure track and intended cruising level; and
ii) inbound track or direction, level and next estimate; and
h) advice that an aircraft is not yet on the appropriate frequency

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7
Q

Pilots operating IFR must report intention to taxi at a ___________________ and must broadcast that intention on the __________________.

A
  1. non-controlled aerodrome
  2. Area Frequency

e.g.

Pilot: MELBOURNE CENTRE QUEBEC OSCAR CHARLIE, CHIEFTAN P.O.B. FOUR I.F.R TAXIING BROKEN HILL FOR ADELAIDE RUNWAY ZERO FIVE

ATC: QUEBEC OSCAR CHARLIE MELBOURNE CENTRE NO REPORTED IFR TRAFFIC (or provide traffic information.)

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8
Q

A pilot in command of an IFR flight must establish flight on the departure track as _____________________ after take off and within ___________ of the aerodrome.

A
  1. as soon as practicable
  2. 5NM
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9
Q

When must departure be reported?

A

When established on the departure track, and clear of the circuit traffic.

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10
Q

What will ATC respond with when a pilot advises airborne?

A

Traffic statement

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11
Q

True or False. Pilots are required to report maintaining their assigned level.

A

True

e.g. QUEBEC OSCAR CHARLIE MAINTAINING ONE ZERO THOUSAND FEET

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12
Q

How will ATC acknowledge a report of maintaining level?

A

With the Aircraft identifier/callsign

e.g. QUEBEC OSCAR CHARLIE

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13
Q

Pilots must give ATS notice of an impending position report by use of the word “____________________”

A

POSITION

e.g. MELBOURNE CENTRE (call sign) POSITION.

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14
Q

What elements should all position reports include?

A
  1. Aircraft Identification
  2. Position
  3. Time
  4. Flight Level or Altitude
  5. Next Position and Time Over
  6. Ensuing Significant Point
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15
Q

Provide an example of position report exchange between an ATC and a Pilot

A

Pilot: UNITY TWENTY FIVE TWENTY ONE POSITION

ATC: UNITY TWENTY FIVE TWENTY ONE

Pilot: UNITY TWENTY FIVE TWENTY ONE, RIDGE TWO FOUR, MAINTAINING FLIGHT LEVEL ONE EIGHT ZERO, CAULI FOUR SEVEN

ATC: UNITY TWENTY FIVE TWENTY ONE

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16
Q

When will pilots request traffic for arrival?

A

At the top of descent.

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17
Q

When must an aircraft on descent be provided with Area QNH?

A

If the aircraft is descending from a level above the transition altitude.

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18
Q

Pilots in the vicinity of __________________ in ______________ airspace are required to broadcast intentions on the ____________________.

A
  1. non-controlled aerodromes
  2. Class G
  3. Common Traffic Advisory Frequency (CTAF)
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19
Q

When a CTAF is not available what will be used instead?

A

The Multicom Frequency - 126.7 MHz

20
Q

Are ATC required to pass Directed Traffic Information after a pilot has reported switching to the CTAF?

A

No.

However, ATC continue to maintain SAR Watch until the pilot reports arrival and/or requests cancellation of SAR Watch.

21
Q

What is a broadcast area?

A

Defined airspace volumes in Class G airspace for which a discrete frequency (CTAF) has been allocated.

22
Q

What is the default vertical limit of a broadcast area?

A

5000 FT AMSL

23
Q

As part of the Alerting Service, ATC maintain a ________________________ on all IFR aircraft.

A

Search and Rescue (SAR) Watch

24
Q

SARWATCH continues until when?

A

Until the pilot cancels SAR Watch in the circuit or on the ground at the Destination Aerodrome.

Pilot: UNITY TWENTY FIVE TWENTY TWO LANDED AT AYERS ROCK CANCEL SARWATCH

ATC: UNITY TWENTY FIVE TWENTY TWO AYERS ROCK SARWATCH TERMINATED

25
Q

Pilots must cancel SARTIME by ____________

A

the time nominated.

26
Q

What phrase must pilots use to cancel SARTIME, and how should ATS respond?

A
  1. CANCEL SARTIME
  2. readback of the place of arrival, if appropriate, and the words SARTIME CANCELLED
27
Q

Who manages the SARTIMES database?

A

CENSAR

28
Q

How may a SARTIME be cancelled?

A
  1. Contacting CENSAR directly by telephone (preferable)
  2. Requesting CANCEL SARTIME via ATS on the Area Frequency
29
Q

In the event of failure to cancel a SARTIME by the nominated time, ATC will do what?

A

Begin the required communications checks and declare any necessary emergency phases.

30
Q

A typical IFR flight through class G airspace will provide what reports?

A
  • A taxi report
  • A departure report
  • A report maintaining their cruising altitude
  • Position reports
  • A report prior to a change of level, including descent
  • A report changing to the CTAF
  • Arrival
31
Q

How should ATC reply to pilots to indicate that they are ready to receive a message?

A

With the aircraft’s callsign.

32
Q

If ATC need the pilot to wait before passing the message what phrase should they use?

A

STANDBY

33
Q

If you do not fully understand a communication, you should get them to repeat the message by using which phrase?

A

SAY AGAIN

34
Q

A useful rule of thumb for VHF coverage is what?

A

The aircraft’s altitude in miles

e.g. A090 = 90 miles

35
Q

List the three ways in which a departing aircraft may establish initial contact with ATS.

A
  1. Directly via VHF when ready to Taxi; or
  2. Via HF using a third party report when ready to Taxi; or
  3. Directly via VHF after becoming airborne at the departure aerodrome
36
Q

What is the agency callsign for the Southern HF frequency group?

A

Silver - SIL

37
Q

What is the agency callsign for the NW HF frequency group?

A

Kakadu - KAA

38
Q

What is the agency callsign for the NE HF frequency group?

A

Tropic - TRP

39
Q

List the situations when a pilot should be advised of Area QNH

A
  1. On receipt of a departure report by VHF when the aircraft intends to cruise in the Altimeter Setting Region (i.e. at or below A100)
  2. On first VHF contact following a departure report on HF
  3. When an aircraft descends from the Standard Pressure Region into the Altimeter Setting Region (i.e. from Flight Levels to or below A100)
  4. When the aircraft crosses an Area QNH zone boundary, or
  5. When the aircraft crosses from one pressure region to another within an Area QNH zone
40
Q

When should the phrase WHEN READY be used?

A

If you do not expect the pilot to commence climb/descent/other immediately.

Otherwise the pilot must commence climb/descent/other within 1 minute.

41
Q

What is a UNICOM?

A

A non-ATS communications service provided to enhance the value of information normally available about a non-controlled aerodrome.

The primary function of the frequency used for UNICOM services where the UNICOM is the CTAF is to provide pilots with the means to make standard positional broadcasts when operating in the vicinity of an aerodrome

Participation in UNICOM services must not inhibit the transmission of standard positional broadcasts

42
Q

What is a CTAF?

A

A designated frequency used to allow pilots to communicate their intentions and positions with each other while operating at an uncontrolled aerodrome (or one that is functioning as an uncontrolled field when the Tower is closed).

The standard CTAF is 126.7 MHz but many aerodromes have a different CTAF, which is published in AIP (ERSA, charts, DAP).

43
Q

Is there a requirement for pilots to report ‘CHANGING TO CTAF’ to ATC?

A

No.

44
Q

Military Low Jet flights are considered to be _______________ for traffic purposes regardless of flight planned category.

A

IFR

45
Q

Define MULTICOM

A

The frequency (126.7MHz) used for broadcasts while operating to or from a non-controlled aerodrome that does not have a discrete CTAF assigned.

46
Q

What is an ‘open microphone’ and what can Air Traffic Control do when this occurs?

A

Interference may come from an aircraft with an “open microphone”. There is very little that can be done until the pilot realises that there is an inadvertent transmission. Some open microphones have lasted for a considerable time.

ATS can transmit instructions for aircraft to transfer to another frequency in the hope that this transmission will break through the open microphone transmission.

—– Turn off the retransmition network
—– If you can identify the aircraft and CPDLX is available send a CPDLC
message.

47
Q

UNICOM services relate to the exchange of information concerning what?

A
  • Fuel requirements
  • Estimated times of arrival and departure
  • Aerodrome information
  • Maintenance and servicing of aircraft including the ordering of parts and materials urgently required
  • Passenger requirements
  • Unscheduled landings to be made by aircraft
  • General weather reports
  • Basic information on traffic.