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9 Cards in this Set

  • Front
  • Back
If RAIM is lost, the accuracy of the GPS system is assumed not to meet the required standard for navigation. What four events would trigger a requirement to inform ATC of a loss of RAIM?
(1) RAIM is lost for periods greater than 5 minutes, even if GPS is still providing position information; or  (2) RAIM is not available when ATC requests GPS distance, or if an ATC clearance or requirement based on GPS distance is imposed; or  (3) the GPS receiver is in DR mode, or experiences loss of navigation function, for more than one minute; or (4) indicated displacement from track centreline exceeds 2NM. AIP ENR 1.1 19.11
What radio phrases are used to inform ATC of RAIM status?
"RAIM FAILURE" or "RAIM RESTORED" AIP ENR 1.1 19.11
DME or GPS ARRIVAL PROCEDURES  Where does a DGA terminate?
The visual circling area. AIP ENR 1.5 11.1.1
DME or GPS ARRIVAL PROCEDURES  When is the descent permitted?
Not until the aircraft is established within the appropriate sector or on the specified inbound track. AIP ENR 1.5 11.1.2
DME or GPS ARRIVAL PROCEDURES  If manoeuvring within a sector is required the pilot must ensure the aircraft is contained within the sector and:
At or above MSA. ENR 1.5 11.1.3
DME or GPS ARRIVAL PROCEDURES  Manoeuvring within a sector is prohibited after:
The final approach fix. ENR 1.5 11.1.3
NDB Tracking tollerance or Significant Disparities from GPS tracking is considered to be more than:
6.9° AIP ENR 1.1 19.12
VOR Tracking tollerance or Significant Disparities from GPS tracking is considered to be more than:
5.2° AIP ENR 1.1 19.12
DME or GPS ARRIVAL PROCEDURES What 6 specific restrictions apply to the conduct of a GPS Arrival?
1. The database medium (card,chip,etc) must be current and of a kind endorsed by the receiver manufacturer. 2. The coordinates of the destination VOR or NDB, to which the descent procedure relates, must not be capable of modification by the operator or crew. 3. GPS integrity (eg,RAIM) must be available before descending below the LSALT/MSA. 4. The nominated azimuth aid (VOR or NDB) must be used to provide track guidance during the arrival procedure. 5. In the event of a significant disparity between the NDB or VOR track, and the GPS track indication, the pilot must discontinue the arrival procedure. 6. If at any time during the approach, there is cause to doubt the validity of the GPS information (eg, RAIM warning), or if GPS integrity is lost (eg, RAIM not available), the pilot must conduct a missed approach.