Cub Crafters CC18-180 Pilot Operating Handbook page 250

SECTION 9.5 CUB CRAFTERS
SUPPLEMENTS-GNS 530 CC18-180
If the white "TER N/A" status annunciator is displayed by
the GNS 530, the system will no longer provide TAWS or
TERRAIN alerting or display relative terrain elevations.
The crew must maintain compliance with procedures that
ensure minimum terrain separation.
If the red "TER FAIL" status annunciator is displayed by
the GNS 530, the system will no longer provide TAWS or
TERRAIN alerting or display relative terrain elevations.
The crew must maintain compliance with procedures that
ensure minimum terrain separation.
If a "TAWS has failed" or a "TERRAIN has failed"
message is displayed by the GNS 530, the system will no
longer provide TAWS or TERRAIN alerting or display
relative terrain elevations. The crew must maintain
compliance with procedures that ensure minimum terrain
separation.
9.5.4 NORMAL PROCEDURES
9.5.4.1 DETAILED OPERATING PROCEDURES
Normal operating procedures are described in the
GARMIN GNS 530 Pilot's Guide, P/N 190-00181-00,
Rev. A, dated April 2000 or later appropriate revision.
REPORT TC10000AFM
Issued: 5/31/05
Page number 9-5-8 Date of revision: 12/06/05