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OCS Phase 2 & 3 > Phase 3 > Flashcards

Phase 3 Flashcards

1
Q

What are the back coordination requirements for the following sectors?

a) Nadi
b) Brisbane
c) Tahiti
d) Oakland
e) Santiago

A

10 minutes

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2
Q

When restarting the Main OCS Platform, what is the difference between a hot start and a cold start?

A

In hot mode: the system is restarted using the last system data “snapshot”.
In cold mode: the system is restarted then updated using air traffic management data recovered from the sync servers.

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3
Q

How are OCS failure conditions categorised?

A
  • partial failure of the OCS Main Platform

- OCS Main Platform stall

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4
Q

What actions must a controller take when it is considered that an OCS Main Platform stall is likely, or a partial failure has occurred and OCS is operating without an operational standby workstation or FDP?

A

The controller shall resolve all conflicts, including those categorised as “Advisory”

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5
Q

Give an example of the abbreviated descent clearance issued to A/G for flights destined for NCRG, NFTF, NIUE, NSFA & NSTU from above F245.

A

MIS - (ACID) AT (time) STD DESC

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6
Q

What is the provision of an alerting service to aircraft departing Norfolk Island based on?

A

EOBT contained in flight plan

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7
Q

What is the standard release and RTF contact point for aircraft descending into Tonga from AA OCA?

A

Release passing F245

RTF top of descent time

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8
Q

What is the standard release and RTF contact point for aircraft descending into NSTU from AA OCA, and to whom is the aircraft released?

A

Released to Faleolo Tower passing F245

RTF top of descent time

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9
Q

What is the standard release and RTF contact point for aircraft departing NSFA and entering AA OCA?

A

Release passing F245

RTF time of departure plus 5 minutes

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10
Q

Can Nadi apply T10RNP between two aircraft in trail?

A

Yes

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11
Q

Can the following neighbouring states apply 50nm laterally between RNP 10 certified aircraft?

a) Nadi
b) Brisbane
c) Oakland
d) Tahiti
e) McMurdo

A

a) Yes
b) Yes
c) Yes
d) Yes
e) Yes

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12
Q

What is the agreed procedure when issuing levels to southbound Antarctic flights?

A

Southbound Antarctic flights operating between F245 and F600 shall be cleared at different levels until:

  • it is known that the preceding aircraft is beyond the PSR time or
  • it is past the preceding aircraft’s ETA at destination
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13
Q

Explain the “good operating practice” when receiving a “time out of conformance” position report.

A

Verify with the aircraft any change in actual time over the waypoint or the estimate for the next waypoint of 3 minutes or more.

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14
Q

Name the three OCS contigency phases.

A
  • Recovery
  • Limited ATS
  • Restoration of ATS delivery to OCS
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15
Q

What is the objective of the “recovery” phase?

A

Ensure a safe air traffic environment until aircraft, that at the time of the multiple OCS failure were operating within or about to enter the Auckland OCA, have vacated the area.

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16
Q

During the recovery phase when are aircraft permitted to enter the AA OCA?

A

Only aircraft that have been previously coordinated and accepted.

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17
Q

What is the objective of the limited ATS phase and what if any restrictions apply to aircraft?

A

To provide a safe air traffic environment to the extent possible given the circumstances and allow aircraft to operate within the Auckland Oceanic FIR. OCA remains class A airspace.

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18
Q

What is the definition of a navigation error?

A

Navigational deviation:

  • an unauthorised lateral deviation of 15nm or more, observed by any means,
  • a variation of 10nm or more from a specified longitudinal distance standard, observed by ADS-C,
  • a variation of 3 minutes or more from a specified time given for a reporting point or FIR boundary
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19
Q

What procedure should you follow where OCS detects a conflict extending across an international FIR boundary?

A

If responsibility for providing separation is being delegated to the adjacent ATSU, the phraseology below shall be used:
“YOUR SEPARATION (callsign of traffic from which separation is required)”

20
Q

What procedure should you follow where OCS detects a conflict contained wholly within an adjacent FIR?

A

The oceanic controller shall bring conflicts wholly contained within the adjacent FIR that start or finish within 10 minutes of the FIR to the attention of the appropriate controller. Conflict start/finish times shall not be relayed.

21
Q

Are oceanic controllers permitted to issue cruise climb clearances?

A

“Cruise climb” clearances are prohibited within the AA Oceanic FIR.

22
Q

When are non-RVSM civil aircraft permitted to flight plan between F290 and F410?

A

Aircraft unable to fly to an appropriate destination at or below F280 or at or above F430 may flight plan within the RVSM stratum provided the aircraft:

  • is being initially delivered to the state of registry or operator
  • was formerly RVSM approved but has experienced an equipment failure and is being flown to a maintenance facility for repair in order to meet the RVSM requirements and/or obtain approval
  • is transporting a spare engine or strut assembly externally
  • is being utilised for mercy or humanitarian purposes
23
Q

Can an RVSM level be used outside RVSM airspace?

A

No, unless issued as part of a block clearance.

24
Q

When shall RVSM operations be suspended?

A
  • the aircraft is no longer RVSM compliant

- the aircraft has encountered severe turbulence

25
Q

What shall a controller do on becoming aware that a pilot has deviated from an ATC clearance due to an emergency other than weather avoidance?

A
  • no control instructions shall be issued to aircraft making the deviation
  • where separation is lost or likely to be lost, instructions shall be issued to other aircraft involved which will re-establish separation with the minimum of delay
  • traffic or essential traffic information shall be issued if appropriate as per MATS
26
Q

What restrictions are placed on the use of T5-9 MNT separations in the oceanic environment?

A

Controllers shall only apply T5-9 MNT to one pair of aircraft at a time in the following areas:

  • the area from and including fixed route P753 (NZQN/YMML) clockwise to include ATS route A464 (NZAA/YBBN)
  • remainder of the Auckland Oceanic FIR
27
Q

What longitudinal separation standards can be used in the oceanic environment between aircraft climbing, descending or maintaining the same level on the same track?

A

T10
T5-9 MNT
50NM (RNP 10 & CPDLC)
30NM (RNP 10 & CPDLC)

28
Q

When are aircraft which are entering airspace with a larger lateral separation minima than that for the airspace being exited, considered to be separated?

A

Provided the aircraft are flying on tracks that:

  • are separated by the appropriate (lateral or radar) minimum for the airspace being exited, and then
  • diverge by 15 degrees or more until the larger separation minimum is established, and
  • the aircraft have the navigation capability to ensure correct track guidance
29
Q

Should an NDA message be sent prior to sending a CAD? If so why?

A

Yes. To avoid a rejection of the connection.

30
Q

What shall a controller do following receipt of a CPDLC or ADS emergency message?

A

The controlling authority shall either:

  • increase the PERIODIC contract reporting rate to 5 minutes, or
  • send an ON DEMAND contract request
31
Q

What action shall a controller follow on receipt of an ADS emergency contract without a CPDLC emergency message or voice confirmation?

A

Controller should send uplink:
(Callsign) CONFIRM ADS-C EMERGENCY

Pilot will either confirm inadvertent activation and cancel the emergency mode, or the controller should assume the aircraft is in emergency conditions and follow normal emergency procedures.

32
Q

Can Tahiti apply 50nm lateral between 2 RNP10 aircraft and are there any conditions?

A

Tahiti requires both aircraft to report by ADS and to be processed by their system.

33
Q

What is a controller’s responsibility when advised that a controlled flight is manouevring in response to an RA?

A

The controller is not responsible for providing separation between that aircraft and any other aircraft, airspace, terrain or obstructions. Traffic information should be passed. Responsibility for separation resumes once separation has been re-established between all aircraft following the manouevre.

34
Q

Under what circumstances is a controller permitted to override a conflict?

A
  • domestic or military separation is being applied between aircraft operating in controlled airspace
  • aircraft are changing flight levels after having reported mutual sighting and passing
  • RNP 10 or better aircraft are operating on airways Q912, Q947 or Q983 and the confliction is with M203
  • traffic information has been relayed to traffic outside controlled airspace
  • separation has been delegated to another sector
  • and aircraft is wholly contained in another FIR, and, if necessary, has been brought to the attention of the appropriate controller
35
Q

When an APS turns white on departure from the domestic sector or an Island state, when a blue APS is expected, what should the controller do?

A

Replace the flight plan as soon as possible.

36
Q

Whenever a CPL from the domestic Skyline system queues and an attempt to process it generates an “invalid message sequence”, what should the controller do?

A

Delete the flight plan from OCS

Process the queued CPL

37
Q

What is the required minimum distance between aircraft flying on reciprocal tracks, not vertically separated, RNP10 and RNP4 equipped aircraft?

A

Passed each other by D50 or D30 providing ADS and CPDLC connections

38
Q

When applying lateral separation between aircraft departing YSNF on G329 (NF259R) and B450 (NF235R) above F250 what is the minimum distance applicable?

A

??????? MATS RAC 5

39
Q

What are the three emergency phases?

A

Uncertainty phase - INCERFA
Alert phase - ALERFA
Distress phase - DETRESFA

40
Q

When issuing a lateral deviation clearance to a leading aircraft with a following aircraft at the same level, what should be taken into consideration?

A

Lateral deviation from track will reduce the longitudinal distance between aircraft, if any possibility of loss of separation, an alternative form of separation shall be in place before the deviation is approved.

41
Q

When is the coordination considered to be completed, for a hemstitch flight that vacates AA OCA into Nadi OCA, and less than 30 minutes later re-enters AA OCA, with respect to the aircraft’s re-entry into the AA OCA?

A

Re-entry coordination is considered completed when coordination for the initial entry is completed. Further coordination only required for level change/weather deviation.

42
Q

For flights proceding from the AA OCA into the NCRG TMA/Cook sector, what is the coordination point?

A

Rarotonga VOR

43
Q

What procedure is followed when a PAC message is received for an aircraft departing NSFA, and entering Nadi’s airspace within 30 minutes of departure?

A

ACP message sent from Nadi, no verbal advice required.

44
Q

What block altitudes are used for VFR flights operating within the AA OCA FIR?

A

F030 - F130 for non-pressurised aircraft

F030 - F245 for pressurised aircraft

45
Q

Under what circumstances, when OCS indicated that separation has been lost, is a controller not required to take action to restore separation?

A
  • the conflict is a result of an actual time being different from the latest estimate
  • separation is increasing and will be regained within 5 minutes of the time the conflict is generated
  • aircraft are flying same direction or crossing tracks as applied by OCS

OCS Phase 2 & 3 (2 decks)

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