PILOT’S OPERATING HANDBOOK
SECTION 4
NORMAL PROCEDURES
EASA Approved
Edition 0 -- October 31, 2013
Rev. 1
Page 4.5.20
GPS NAVIGATION
Set up conditions
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Verify if the data base is current.
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Verify that altitude data is valid for the GPS prior to flight.
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In case of B-RNAV use :
During the preflight planning phase, the availability of GPS integrity (RAIM) shall be confirmed for the
intended flight (route and time).
RAIM computation is automatically done by G1000 system.
B-RNAV flight dispatch shall not be made in the event of a continuous loss of RAIM for more than 5 minutes
predicted in any part of the intended flight.
When less than 24 satellites are available (or less than 23 if equipment uses pressure altitude information),
the pilot must make sure that RAIM function is available on the projected route and for the flight period in
B-RNAV areas. An alarm is provided by G1000 system in that case.
When 23 or more satellites are available, the prediction of satellite position is valid for 7 days. Their predicted
availability is ensured for 48 hours by EUROCONTROL.
When less than 23 satellites are available, the predicted availability of RAIM shall be confirmed short before
each flight.
GPS flight plan
In the active flight plan, addition of a STAR or an approach is always made at the end of the flight plan. In the scope
of these additions, the pilot must pay attention not to duplicate points.
Non precision approach with coupled autopilot
Coupling with autopilot may be made in ”NAV” mode, except in the following cases :
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holding pattern,
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landing pattern turn,
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interrupted approach,
which have to be made in ”HDG” mode.
For memory, the approach particular point name in the GARMIN system is as follows :
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IA = IAF
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FA = FAF ou FAP
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MA = MAP
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MH = MAHP
