EGPWS LINE MAINTENANCE MANUAL
provides “TOO LOW TERRAIN” or “TOO LOW FLAPS” depending on airspeed. Mode 4C provides “TOO LOW TERRAIN”. EGPWS alert lights are illuminated during these alerts.
2.2.5 MODE 5 - DESCENT BELOW GLIDESLOPE
Mode 5 provides audio and visual alerts for excessive glideslope deviation when the aircraft descends below the glideslope beam on
2.2.6 MODE 6 - ADVISORY CALLOUTS (OPTIONAL)
The EGPWC can be programmed to enunciate Mode 6 Advisory Callouts based on menu selectable options. Mode 6 includes Altitude Awareness, Minimums/Approaching Minimums, and Bank Angle type callouts as defined for each EGPWS model (refer to an applicable Interface Control Document or Installation Design Guide). The menu selected Advisory Callouts are defined and enabled in the installation configuration. If Altitude Callouts are not enabled, only (DH based) “MINIMUMS” callouts will be provided. The MK XXII offers a tail strike advisory for helicopters.
Only aural callouts are provided for Mode 6. EGPWS alert lights are NOT illuminated for Mode 6 callouts. The following table identifies all of the Mode 6 Callouts that are available and the applicability to each model.
TABLE
| CALLOUT |
| DESCRIPTION |
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| V | VI | VII | VIII | XXII | ||
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| “DECISION HEIGHT“ |
| At descent below minimums setting (DH) |
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| • | # | • | # | # |
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| “CHECK HEIGHT” |
| At descent below minimums setting (DH) |
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| # | # | # | # | • |
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| At descent below minimums setting (DH) with gear up |
| # | # | # | # | • | ||
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| “MINIMUMS” |
| At descent below minimums setting (DH) |
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| • | # | • | # | # |
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| “MINIMUM” |
| At descent below minimums setting (DH) |
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| • | # | • | # | # |
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| At descent below minimums setting (DH) |
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| • | • | • | • | • | ||
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| “DECIDE” |
| At descent below minimums setting (DH) |
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| • | # | • | # | # |
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| “APPROACHING DECISION | At descent below minimums (DH altitude) setting plus |
| • | # | • | # | # | ||
| HEIGHT” |
| 100 feet |
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| “APPROACHING MINIMUMS” | At descent below minimums setting (DH altitude) plus |
| • | # | • | # | # | ||
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| 80 feet |
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| “PLUS HUNDRED” |
| At descent below minimums setting (DH altitude) plus |
| • | # | • | # | # | |
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| 100 feet |
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| “FIFTY ABOVE” |
| At descent below minimums setting (DH altitude) plus |
| • | # | • | # | # | |
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| 50 feet |
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| “RADIO ALTIMETER” |
| At descent below 2500 feet |
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| • | # | • | # | # |
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| “TWENTY FIVE HUNDRED” | At descent below 2500 feet |
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| • | # | • | # | # | |
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| “ONE THOUSAND” |
| At descent below 1000 feet |
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| • | • | • | • | # |
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| “FIVE HUNDRED” |
| At descent below 500 feet |
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| • | • | • | • | # |
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| CAGE CODE: 97896 | SCALE: NONE SIZE: A DWG NO.: | REV: | G |
| SHEET 12 of 68 | ||||
