Garmin Flight Deck 100 Marine Instruments User Manual


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190-00728-04 Rev. A
Embraer Prodigy
®
Flight Deck 100 Pilot’s Guide
91
FLIGHT INSTRUMENTS
LOW ALTITUDE ANNUNCIATION
NOTE: A Low Altitude Annunciation is available only when SBAS is available. In addition, TAWS must be
inhibited in order for this annunciation to be shown.
WhentheFinalApproachFix(FAF)istheactivewaypointinaRNAVGPSapproachusingverticalguidance,
aLowAltitudeAnnunciationmayappearifthecurrentaircraftaltitudeisatleast164feetbelowtheprescribed
altitudeattheFAF.Ablack-on-yellowLOWALTannunciationappearstothetopleftofthealtimeter,ashing
for several seconds then remaining displayed until the condition is resolved.
Figure 2-40 Low Altitude on GPS SBAS Approach
Altimeter
MINIMUM DESCENT ALTITUDE/DECISION HEIGHT ALERTING
Foraltitudeawareness,aMinimumDescentAltitude(MDA)orDecisionHeight(DH),basedonbarometric
altitude or optional radar altimeter height. When active, the altitude setting is displayed to the lower left of the
altimeter and with a bug at the corresponding altitude along the altimeter (once the altitude is within the visible
rangeofthetape).ThefollowingvisualannunciationsalertthepilotwhenapproachingMDAorDH:
•Whentheaircraftaltitudedescendstowithin2500feetoftheMDA/DHsetting,theBAROMINorRAMIN
box appears with the altitude in light blue text. The bug appears on the altitude tape in light blue once in
range.
•Whentheaircraftpassesthrough100feetoftheMDA/DH,thebugandtextturnwhite.
•OncetheaircraftreachesMDA/DH,thebugandtextturnyellowandtheauralalert,“Minimums.Minimums”,
is generated.
Barometric
Minimum
Box
Barometric
Minimum
Bug
Figure 2-41 Barometric Minimum Descent Altitude/Decision Height Alerting Visual Annunciations
Altitude ReachedWithin 100 feetWithin 2500 feet
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