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APPENDIX F
Map Datums
SECTION
E
SPECIFICATIONS
Appendix E
Specifications
PHYSICAL
Size:
6.25”W x 5.8”D x 2”H (159mm x 147mm x 51mm)
Weight:
39 ounces (1.11kg)
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:
MultiTrac 8™
Acquisition Time:
2-2.5 minutes (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
** Subject to accuracy degradation to 100m 2DRMS under
the US DOD-imposed Selective Availability Program.
Whenever the GNC 250 is connected to the
optional remote battery pack and power from the
master switch is lost, the unit will revert to bat-
tery power. To continue navigation, press any key
when the power down page appears.
250 real 7/14/98 9:33 AM Page 94
