Appendix E: Specifications - Garmin 250XL Pilot's Manual And Reference

APPENDIX
SPECIFICATIONS
E
** Subject to accuracy degradation to 100m 2DRMS under
the US DOD-imposed Selective Availability Program.
Whenever the GNC 250XL is connected to the
optional remote battery pack and power from the
master switch is lost, the unit will revert to battery
power. To continue navigation, press any key when
the power down page appears.
100
Specifications
PHYSICAL
Size: 6.25"W x 5.8"D x 2"H (159mm x 147mm x 51mm)
Weight: 41 ounces (1.16kg)
Rack Size: 6.32"W x 5.64"D x 2"H (161mm x 143mm x 51mm)
Rack Weight: 11 ounces (0.31kg)
POWER
Input: 10-15V DC with power cable (aircraft power)
Optional remote battery pack
115V or 230V AC w/ optional adapter
ENVIRONMENTAL
Temperature: -4° F to 158° F (-20°C to 70°C) Operating
-67°F to 185°F (-55°C to 85°C) Storage
PERFORMANCE
Comm: 760 channel, aviation band 118-136.975 MHz
5 watt minimum transmit power
Receiver: 12 channel PhaseTrac12™
Acquisition Time: 45 seconds (typical)
15 seconds (warm start, with ephemeris)
Update Rate: 1 per second, continuously
Accuracy: 15 meters (49ft.) RMS**
Dynamics: 999 knots velocity, 3g acceleration
INTERFACES
ARINC 429, Plotting (NMEA 0183 V2.0), Aviation, PC Interface, Altitude
Serializer, Fuel Sensor, Fuel/Air Data Computer
Appendix E