Garmin G1000 Manual page 6

WARNINGS, CAUTIONS, AND NOTES
The system, as installed in the Socata TBM 850/900 aircraft, has a very high degree of functional
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integrity. However, the pilot must recognize that providing monitoring and/or self-test capability for all
conceivable system failures is not practical. Although unlikely, it may be possible for erroneous operation
to occur without a fault indication shown by the system. It is thus the responsibility of the pilot to detect
such an occurrence by means of cross-checking with all redundant or correlated information available in the
cockpit.
For safety reasons, system operational procedures must be learned on the ground.
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The United States government operates the Global Positioning System and is solely responsible
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for its accuracy and maintenance. The GPS system is subject to changes which could affect the accuracy and
performance of all GPS equipment. Portions of the system utilize GPS as a precision electronic NAVigation
AID (NAVAID). Therefore, as with all NAVAIDs, information presented by the system can be misused or
misinterpreted and, therefore, become unsafe.
Lamp(s) inside this product may contain mercury (HG) and must be recycled or disposed of
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according to local, state, or federal laws. For more information, refer to our website at www.garmin.com/
aboutGarmin/environment/disposal.jsp.
To reduce the risk of unsafe operation, carefully review and understand all aspects of the Pilot's
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Guide documentation and the Socata TBM 850/900 Airplane Flight Manual. Thoroughly practice basic
operation prior to actual use. During flight operations, carefully compare indications from the system to all
available navigation sources, including the information from other NAVAIDs, visual sightings, charts, etc. For
safety purposes, always resolve any discrepancies before continuing navigation.
The illustrations in this guide are only examples. Never use the system to attempt to penetrate
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a thunderstorm. Both the FAA Advisory Circular, Subject: Thunderstorms, and the Aeronautical Information
Manual (AIM) recommend avoiding "by at least 20 miles any thunderstorm identified as severe or giving an
intense radar echo."
Because of variation in the earth's magnetic field, operating the system within the following
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areas could result in loss of reliable attitude and heading indications. North of 72° North latitude at all
longitudes. South of 70° South latitude at all longitudes. North of 65° North latitude between longitude
75° W and 120° W. (Northern Canada). North of 70° North latitude between longitude 70° W and 128° W.
(Northern Canada). North of 70° North latitude between longitude 85° E and 114° E. (Northern Russia).
South of 55° South latitude between longitude 120° E and 165° E. (Region south of Australia and New
Zealand).
Do not use GPS to navigate to any active waypoint identified as a 'NON WGS84 WPT' by a
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system message. 'NON WGS84 WPT' waypoints are derived from an unknown map reference datum
that may be incompatible with the map reference datum used by GPS (known as WGS84) and may be
positioned in error as displayed.
ii Garmin G1000 Pilot's Guide for the Socata TBM 850/900