Cub Crafters CC18-180 Pilot Operating Handbook page 198

SECTION 9.2 CUB CRAFTERS
SUPPLEMENTS-GNC 420 CC18-180
NOTE
Pilots are NOT authorized to deviate from their current
ATC clearance to comply with terrain/obstacle warnings
from a TERRAIN unit except as allowed by 14 CFR Part
91.3(b). TERRAIN warnings are advisory only and are not
equivalent to warnings provided by a TAWS unit.
9.2.3 EMERGENCY PROCEDURES
In an in-flight emergency, depressing and holding the
Comm transfer button for 2 (two) seconds will select the
emergency frequency of 121.500 MHz into the "Active"
frequency window.
CAUTION
This aircraft is not certified for IFR operations. The
following procedures are included in this manual for
advisory purposes only.
If GARMIN GNC 420 navigation information is not
available or invalid, utilize remaining operational navigation
equipment as required. If the TERRAIN option is installed,
TERRAIN will not be available. A white 'TER N/A' or red
'TER FAIL' annunciator will be displayed in the lower left
corner of the GNC 420 display.
If "RAIM POSITION WARNING" message is displayed, the
system will flag and no longer provide GPS based
navigational guidance. The crew should revert to an
alternate means of navigation other than the GNC 420's
GPS Receiver. If the TERRAIN option is installed,
TERRAIN will not be available. A white 'TER N/A'
annunciator will be displayed in the lower left corner of the
GNC 420 display.
REPORT TC10000AFM
Issued: 5/31/05
Page number 9-2-6 Date of revision: 12/06/05