Cirrus SR22 Pilot Operating Handbook page 484

Section 9
Supplements
Section 2 – Limitations
1. The Garmin 400W-Series GPS Navigator Pilot's Guide and
Reference, P/N 190-00356-00, Revision A or later must be
immediately available to the pilot during flight. The software status
stated in the pilot's guide must match that displayed on the
equipment.
2. IFR enroute and terminal navigation is prohibited unless the pilot
verifies the currency of the database or verifies each selected
waypoint for accuracy by reference to current approved data.
3. The Garmin 400W-Series GPS Navigator meets RNP5 (BRNAV)
requirements of AC 90-96 and is in accordance with AC 20-138,
and JAA AMJ 20X2 Leaflet 2 Revision 01, provided it is receiving
usable navigation information from the GPS receiver.
4. Do not use the TERRAIN Interface for navigation of the aircraft.
The Terrain Display does not provide TAWS capability and is
intended to serve as a situational awareness tool only and does
not provide the accuracy fidelity on which to solely base terrain or
obstacle avoidance maneuvering decisions.
Section 3 - Emergency Procedures
1. If GPS Navigator information is not available or is invalid, utilize
remaining operational navigation equipment as required.
2. If a "Loss of Integrity" (INTEG) or RAIM POSITION WARNING
message is displayed during:
a. Enroute/Terminal; continue to navigate using GPS equipment
and periodically cross-check the GPS guidance to other
approved means of navigation.
b. GPS Approach; GPS approaches are not authorized under
INTEG - execute a missed approach or revert to alternate
navigation.
4 of 10
Cirrus Design
SR22
P/N 13772-132
Revision 01: 11-11-07