Garmin G1000H Marine Radio User Manual


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190-01255-00 Rev. B
Garmin G1000H
™
Pilot’s Guide for the Bell 407GX
518
APPENDIX D
For RAIM to work correctly, the GPS receiver must track at least five satellites. A minimum of six satellites is
required to allow RAIM to eliminate a single corrupt satellite from the navigation solution.
RAIM ensures that satellite geometry allows for a navigation solution calculation within a specified protection
limit (2.0 nm for oceanic and en route, 1.0 nm for terminal, and 0.3 nm for non-precision approaches). The
G1000H System monitors RAIM and issues an alert message when RAIM is not available (see Appendix A).
Without RAIM, GPS position accuracy cannot be monitored. If RAIM is not available when crossing the FAF,
the pilot must fly the missed approach procedure.
why aRe theRe nOt any aPPROaches availaBle FOR a Flight Plan?
Approaches are available for the final destination airport in a flight plan or as a direct-to (keep in mind
thatsomeVOR/VORTACidentiersaresimilartoairportidentiers).Ifadestinationairportdoesnothavea
publishedapproach,theG1000Hindicates“NONE”fortheavailableprocedures.
what haPPens when an aPPROach is selecteD? can a Flight Plan with an aPPROach, a DePaRtURe, OR an
aRRival Be stOReD?
When an approach, departure, or arrival is loaded into the active flight plan, a set of approach, departure,
or arrival waypoints is inserted into the flight plan, along with a header line showing the title of the selected
instrument procedure. The original en route portion of the flight plan remains active, unless the instrument
procedure is activated. This may be done either when the procedure is loaded or at a later time.
Flight plans can also be stored with an approach, a departure, or an arrival. Note that the active flight plan
is erased when the system is turned off. Also, the active flight plan is overwritten when another flight plan
is activated. When storing flight plans with an approach, a departure, or an arrival, the G1000H uses the
waypoint information from the current database to define the waypoints. If the database is changed or updated,
the G1000H System automatically updates the information, provided the procedure has not been modified.
Should an approach, departure, or arrival procedure no longer be available, the flight plan becomes locked until
the procedure is deleted from the flight plan.
can “slant gOlF” (“/g”) Be FileD Using the g1000h?
“/G” maybe ledfor aight plan. TheG1000H Systemmeets therequirementsof TSO-C145aClass 3
andETSOC145Class3installations.GPSapproachesarenottobeownwithanexpireddatabase.Seethe
approved Rotorcraft Flight Manual Supplement (RFMS) as well as the Aeronautical Information Manual (AIM)
for more information.
what DOes the OBs sOFtkey DO?
The OBSSoftkeyisusedtoselectmanualsequencingofwaypoints.ActivatingOBSmodesetsthecurrent
active-to waypoint as the primary navigation reference and prevents the system from sequencing to the next
waypoint in a flight plan. When OBSmodeiscancelled,automaticwaypointsequencingiscontinued,andthe
G1000H automatically activates the next waypoint in the flight plan once the aircraft has crossed the present
active waypoint.
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