CIRRUS DESIGN SR20, Pilot Operating Handbook

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4 of 10 P/N 11934-S22
Section 9 Cirrus Design
Supplements SR20
6. The aircraft must have other approved navigation equipment
installed and operating appropriate to the route of flight.
7. The Garmin GNS 430 meets RNP5 (BRNAV) requirements of
AC 90-96 and is in accordance with AC 20-138, and JAA AMJ
20X2 Leaflet 2 Revision 1, provided it is receiving usable
navigation information from the GPS receiver.
Section 3 - Emergency Procedures
1. If GPS Navigator information is not available or is invalid, utilize
remaining operational navigation equipment as required.
2. If “RAIM NOT AVAILABLE…” or “RAIM POSITION WARNING”
message is displayed, continue to navigate using the GPS
equipment or revert to an alternate means of navigation
appropriate to the route and phase of flight. When continuing to
use GPS navigation, position must be verified every 15 minutes
using another IFR approved navigation system.
Section 4 - Normal Procedures
The GARMIN GNS 430 Navigator is available in single or dual
installations. Operating procedures for each unit of a dual installation
are identical.
Refer to the GNS 430 Integration paragraphs in this
supplement for integration differences when single and dual units are
installed. Normal operating procedures are outlined in the GARMIN
GNS 430 Pilot's Guide and Reference, P/N 190-00140-00, Revision F
dated July 2000 (or later appropriate revision).
Activate GPS
1. Battery Master Switch ............................................................... ON
2. Avionics Power Switch .............................................................. ON
3. Navigator Com/ Power Switch...................................... Rotate ‘ON’
The Navigator will display a welcome page while the self-test is in
progress. When the self test is successfully completed, the
Navigator asks for NavData database confirmation, acquires
position, and then displays the acquired position on the
Navigator’s display and on the MFD.
Revision 1: 05-25-05