OPERATOR’S MANUAL
CMA-9000 FLIGHT MANAGEMENT SYSTEM
GPS INSTRUMENT APPROACH SELECTION
CAUTION: Straight line flight from waypoint to waypoint, as loaded from the navigation database, does not ensure
compliance with the published procedure. Should differences arise between the approach chart and
the navigation database, the published chart, supplemented by NOTAMS, takes precedence.
Provided the approach has been armed, when a valid approach has been selected and loaded into the active
flight plan from the navigation database, the approach phase of flight is activated automatically 2 nm prior to the
FAF, as described below.
NOTE: Selection of a new destination airport will result in the deletion of all approach and missed approach
waypoints from the flight plan.
NOTE: If a holding pattern is defined at the FAF, the FMS will stay in terminal phase of flight on entering the
hold and execute the approach on exiting the hold.
NOTE: Even in GPS navigation mode, the FMS will not enter approach mode when flying an ILS, LOC-BC,
LOC-circle to land, LDA, LOC, SDF and MLS type approach.
NOTE: This section is not applicable if the FMS Phase of Flight limit is configured to TERMINAL. Refer to the
Installation Manual for additional details.
At 3 nm inbound to the FAF: The advisory message HSI SCALES TO CHANGE is displayed.
At 2 nm inbound to the FAF: With GPS approach integrity predicted to exist at the FAF, the Missed Approach
Point (MAP), and the current aircraft position, the FMS transitions automatically to the approach mode, with the
following indications:
• HSI lateral deviation sensitivity smoothly changes from terminal to approach phase of flight (1 nm to 0.3 nm)
full scale.
• On the PROGRESS or 1/4 page the RNP value changes from 1 nm to 0.3 nm.
NOTE: The 3 nm and 2 nm inbound distances to the FAF are measured along the FMS-predicted path. These
distances may not necessarily coincide with the DTG (distance to go) to the FAF displayed on the
HSI/CDU. DTG is a direct distance to the waypoint.
At the missed approach point: If the missed approach procedure has not been initiated, the following
indications occur:
• TO/FROM flag on the HSI displays FROM indicating that the MAP waypoint has been overflown.
• Distance-to-go to the MAP displayed on the RTE LEGS 1/X and PROGRESS 1/4 pages starts to increase.
• Navigation and guidance continue along the extension of the final approach course.
If the FMS is configured for Approach VNAV, the Vertical Deviation disappears when crossing the runway
threshold.
NOTE: The missed approach point may not necessarily coincide with the runway threshold.
For details on the Approach VNAV page, refer to the “Vertical Navigation” sub-section.
CAUTION: The missed approach point (MAP) is not sequenced unless the pilot manually initiates the missed
approach by pressing the TOGA switch (when interfaced to the FMS).
Page 7-8
August 17, 2010
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