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190-00494-02 Rev. B Garmin G1000 Pilot’s Guide for the Cessna Citation Mustang
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS EICAS AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE AFCS ADDITIONAL
FEATURES APPENDICES INDEX
521
Appendix D
Normal (OBS not activated)• Automatic sequencing of waypoints • Manual course change on HSI not possible • Always navigates ‘TO’ the active waypoint• Must be in this mode for final approach courseOBS• Manual sequencing - ‘holds’ on selected waypoint• Manually select course to waypoint from HSI• Indicates ‘TO’ or ‘FROM’ waypoint• Cannot be set for final approach course or published holding patterns
When OBS mode is active, the G1000 allows the pilot to set a desired course to/from a waypoint using the CRS/BARO Knob and HSI (much like a VOR).
The most common application for using the OBS Softkey is the missed approach. The G1000 suspends automatic waypoint sequencing (indicated by a ‘SUSP’ annunciation placed on the HSI) when the missed approach point (MAP) is crossed. This prevents the G1000 from automatically sequencing to the missed approach holding point (MAHP). During this time, the OBS Softkey designation changes to SUSP. Pressing the SUSP Softkey reactivates automatic waypoint sequencing. The OBS Softkey then resumes its normal functionality.
Why does the G1000 not automatically sequence toto the next waypoint?
The G1000 only sequences flight plan waypoints when automatic sequencing is enabled (i.e., no “OBS” or ‘SUSP’ annunciation). For automatic sequencing to occur, the aircraft must also cross the “bisector” of the turn being navigated. The bisector is a line passing through the waypoint common to two flight plan legs at an equal angle from each leg.
H
ow can a waypoint be skipppped in an apppproach, a departure, or an arrival?
The G1000 allows the pilot to manually select any approach, departure, or arrival leg as the active leg of the flight plan. This procedure is performed on the MFD from the Active Flight Plan Page by highlighting the desired waypoint and selecting the ACT LEG Softkey then the ENT Key to approve the selection. The GPS then provides navigation along the selected flight plan leg.
When does turn anticipation begin?
The G1000 smooths adjacent leg transitions based on a normal 15° bank angle (with the ability to roll up to 30°) and provides three pilot cues for turn anticipation:
• A waypoint alert (‘Next DTK ###° in # seconds’ or ‘Next HDG ###° in # seconds’) appears on the PFD 10 seconds before the turn point and flashes as it counts down to zero.
• A flashing turn advisory (‘Turn [right/left] to ###° in # seconds’) appears on the PFD 10 seconds before the turn and flashes as it counts down to zero. ‘Turn [right/left] to ###° now’ or ‘Next [DTK/HDG] to ###° now’ is displayed when the pilot is to begin the turn and the HSI (GPS mode) automatically sequences to the next DTK or HDG value.
• The To/From indicator on the HSI flips momentarily to indicate that the midpoint of the turn has been crossed.
Garmin G1000 Pilot’s Guide for the Cessna Citation Mustang 190-00494-02 Rev. B
SYSTEM
OVERVIEW
FLIGHT
AUDIO PANEL EICAS INSTRUMENTS
& CNS
FLIGHT
MANAGEMENT
HAZARD
ADDITIONAL AFCS AVOIDANCE
INDEX APPENDICES FEATURES 522
Appendix D
When does the CDI scale change?
• When set to ‘Auto’ (default), the GPS CDI scale automatically adjusts to the desired limits based upon the current phase of flight.
• When a departure procedure is activated, the CDI is scaled for departure (0.3 nm).
• The system switches from departure to terminal CDI scaling (1.0 nm) under the following conditions:
- The next leg in the departure procedure is not aligned with the departure runway
- The next leg in the departure procedure is not a CA, CD, CF, CI, CR, DF, FA, FC, FD, FM, IF, or TF leg (see Glossary for leg type definitions)
- After any leg in the departure procedure that is not a CA or FA leg
• At 30 nm from the departure airport the enroute phase of flight is automatically entered and CDI scaling changes to 2.0 nm over a distance of 1.0 nm, except under the following conditions:
- When navigating with an active departure procedure, the flight phase and CDI scale will not change until the aircraft arrives at the last departure waypoint (if more than 30 nm from the departure airport) or the leg after the last departure waypoint has been activated or a direct-to waypoint is activated.
• If after completing the departure procedure the nearest airport is more than 200 nm away from the aircraft and the approach procedure has not yet commenced, the CDI is scaled for oceanic flight (2.0 nm).
　
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