Garmin Pilatus PC_6 User's Guide download pdf (Page 87)

190-00870-00 Rev. B

Garmin G950 Pilot’s Guide for the Pilatus PC-6

FLIGHT INSTRUMENTS

SYSTEM

OVERVIEW

FLIGHT

INSTRUMENTS

EIS

AUDIO PANEL

& CNS

FLIGHT

MANAGEMENT

HAZARD

AVOIDANCE

AFCS

ADDITIONAL

FEATURES

APPENDICES INDEX

LOW ALTITUDE ANNUNCIATION

NOTE: The Low Altitude Annunciation is only available when WAAS is available and TAWS-B alerting has

been inhibited.

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 right of the Altimeter,

ﬂashing for several seconds then remaining displayed until the condition is resolved.

Figure 2-40 Low Altitude on RNAV GPS Approach with Vertical Guidance

Altimeter

MINIMUM DESCENT ALTITUDE/DECISION HEIGHT ALERTING

For altitude awareness, a barometric Minimum Descent Altitude (MDA) or Decision Height (DH) can be set

in the Timer/References Window and is reset when the power is cycled. 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 range of the tape).

The following visual annunciations occur when approaching the MDA/DH:

•Whentheaircraftaltitudedescendstowithin2500feetoftheMDA/DHsetting,the‘BARO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 the MDA/DH, the bug and text turn yellow and the aural alert, “Minimums

Minimums”, is generated.

Alerting is inhibited while the aircraft is on the ground and until the aircraft reaches 150 feet above the setting

for the alert. If the aircraft proceeds to climb after having reached the MDA/DH, once it reaches 50 feet above

the MDA/DH, alerting is disabled.

Figure 2-41 Minimum Descent Altitude/Decision Height Alerting Visual Annunciations

Altitude ReachedWithin 100 feet

MDA/DH

Setting

MDA/DH

Bug

Within 2500 feet

1 2 ... 82 83 84 85 86 87 88 89 90 91 92 ... 403 404

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Garmin Pilatus PC_6 User's Guide Page 87

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