Garmin GTN 650 STC GTN 6XX/7XX AFMS - Page 24

GARMIN Ltd. or its Subsidiaries, c/o Garmin International 1200 E. 151st Street Olathe, KS 66062 USA AIRPLANE FLIGHT MANUAL SUPPLEMENT or SUPPLEMENTAL AIRPLANE FLIGHT MANUAL for STC SA02019SE-D GARMIN GTN NAVIGATION SYSTEM When a TAWS CAUTION occurs, take corrective action until the alert ceases. Stop descending or initiate either a climb or a turn, or both as necessary, based on analysis of all available instruments and information. 3.2.6 TAWS INHIBIT The TAWS Forward Looking Terrain Avoidance (FLTA) and Premature Descent Alerts (PDA) functions may be inhibited to prevent alerting, if desired. Refer to GTN Cockpit Reference Guide for additional information. To Inhibit TAWS: Home Hardkey PRESS Terrain Button PRESS Menu Button PRESS TAWS Inhibit Button PRESS TO ACTIVATE 3.2.7 TER N/A and TER FAIL If the amber TER N/A or TER FAIL status annunciator is displayed, the system will no longer provide TAWS alerting or display relative terrain and obstacle elevations. The crew must maintain compliance with procedures that ensure minimum terrain and obstacle separation. 3.2.8 HEADING DATA SOURCE FAILURE Without a heading source to the GTN, the following features will not operate: y GPSS will not be provided to the autopilot for heading legs. The autopilot must be placed in HDG mode for heading legs. y Map cannot be oriented to Heading Up. y All overlaying traffic data from a TAS/TCAS I system on the main map display. The pilot must use the dedicated traffic page on the GTN system to display TAS/TCAS I data. y All overlaying StormScope® data on the main map display. The pilot must use the dedicated StormScope® page on the GTN system to display StormScope® data. StormScope® must be operated in accordance with Section 7.8 when no heading is available. 3.2.9 PRESSURE ALTITUDE DATA SOURCE FAILURE Without a pressure altitude source to the GTN, the following features will not operate: y Automatic leg sequencing of legs requiring an altitude source. The pilot must manually sequence altitude legs, as prompted by the system. 190-01007-A2 Rev. 1 FAA APPROVED DATE: _M__A_R_C_H__1_8__,_2_0_1_1__ Page 24 of 31