F100 GNSS Exam with accurate detailed answers ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
How many GNSS systems do we have and what do they consist of? - correct answer✔✔FMS,
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GNSS sensor, ||\\//||
GIC-NSD,
FMS nav source pb
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What does GIC-NSD stand for? - correct answer✔✔GPS-IRS data Converter and Navigation
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Status Display ||\\//||
What does the GIC-NSD do? - correct answer✔✔supplies GPS position data to the FMS,
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displays nav performance and fault annunciations ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What does the FMS nav source pb do? - correct answer✔✔allows either ;
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RADIO - nav by ground based aids, or
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GNSS - nav by satellites
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Explain RADIO mode? - correct answer✔✔each FMS computes aircraft position by ground
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based aids and/or inertial position.
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Inertial position calculated by IRS and connected directly to FMS.
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GIC-NSD does not display nav data. ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
How is radio position calculated? - correct answer✔✔using range from 2 DMEs or single
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VOR/DME station. Average calculated inertial position is combined with calculated radio
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position.
, Explain GNSS mode? - correct answer✔✔each FMS computes aircraft position based on GPS
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position. GPS position is provided by GIC-NSD in replacement of IRS position. ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
If NAV source is GNSS, what happens to IRS, DME and onside ILS? - correct answer✔✔they
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are disconnected from the FMS.
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the FMS will display Inertial Only (I) nav mode on the FMS.
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Why the IRS only message? - correct answer✔✔The FMS is operative in the Inertial Only (I)
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nav mode for the last 10 minutes.,
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Automatically display at top of descent., ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
In NAV source GNSS, the FMS uses position data from GPS via the GIC-NSD and disconnects
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the IRS position data.
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Normal msg. ||\\//||
What does a NO GNSS 1 (2) NAV mean? - correct answer✔✔GNSS sensor failure,
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Can still do approach using other GIc-NSD,
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will affect alternate requirements,
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ADSB signal fails on that side ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What alerts might follow a NO GNSS 1 NAV? - correct answer✔✔FMC position mismatch as
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IRS position on affected side drifts beyond 5nm.,
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beyond 10nm - Independent operation ||\\//|| ||\\//|| ||\\//|| ||\\//||
What does the GIC-NSD do incase of a GNSS sensor failure? - correct answer✔✔corrects the
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IRS position to the FMS position to compensate for IRS drift.
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How many independent channels does the GNSS sensor use to track GPS satellites? - correct
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answer✔✔12
How many GNSS systems do we have and what do they consist of? - correct answer✔✔FMS,
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GNSS sensor, ||\\//||
GIC-NSD,
FMS nav source pb
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What does GIC-NSD stand for? - correct answer✔✔GPS-IRS data Converter and Navigation
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Status Display ||\\//||
What does the GIC-NSD do? - correct answer✔✔supplies GPS position data to the FMS,
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
displays nav performance and fault annunciations ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What does the FMS nav source pb do? - correct answer✔✔allows either ;
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
RADIO - nav by ground based aids, or
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GNSS - nav by satellites
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Explain RADIO mode? - correct answer✔✔each FMS computes aircraft position by ground
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
based aids and/or inertial position.
||\\//|| ||\\//|| ||\\//|| ||\\//||
Inertial position calculated by IRS and connected directly to FMS.
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GIC-NSD does not display nav data. ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
How is radio position calculated? - correct answer✔✔using range from 2 DMEs or single
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
VOR/DME station. Average calculated inertial position is combined with calculated radio
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
position.
, Explain GNSS mode? - correct answer✔✔each FMS computes aircraft position based on GPS
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
position. GPS position is provided by GIC-NSD in replacement of IRS position. ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
If NAV source is GNSS, what happens to IRS, DME and onside ILS? - correct answer✔✔they
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
are disconnected from the FMS.
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the FMS will display Inertial Only (I) nav mode on the FMS.
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Why the IRS only message? - correct answer✔✔The FMS is operative in the Inertial Only (I)
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
nav mode for the last 10 minutes.,
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Automatically display at top of descent., ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
In NAV source GNSS, the FMS uses position data from GPS via the GIC-NSD and disconnects
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
the IRS position data.
||\\//|| ||\\//|| ||\\//||
Normal msg. ||\\//||
What does a NO GNSS 1 (2) NAV mean? - correct answer✔✔GNSS sensor failure,
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Can still do approach using other GIc-NSD,
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will affect alternate requirements,
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ADSB signal fails on that side ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What alerts might follow a NO GNSS 1 NAV? - correct answer✔✔FMC position mismatch as
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
IRS position on affected side drifts beyond 5nm.,
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
beyond 10nm - Independent operation ||\\//|| ||\\//|| ||\\//|| ||\\//||
What does the GIC-NSD do incase of a GNSS sensor failure? - correct answer✔✔corrects the
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
IRS position to the FMS position to compensate for IRS drift.
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
How many independent channels does the GNSS sensor use to track GPS satellites? - correct
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
answer✔✔12
