GNS 430 Pilot’s Guide and Reference
APPENDIX B
SPECIFICATIONS
B-1
APPENDIX B: SPECIFICATIONS
PHYSICAL
Unit Size: 6.25’W x 11.00’D x 2.65’H
(159 mm x 279 mm x 67 mm)
Unit Weight: 6.6 pounds installed (3.0 kg)
POWER*
Input:
28 Vdc (early 430, all 430A units)
14/28 Vdc (later 430 units)
ENVIRONMENTAL
Temperature: -20°C to +55°C (operating range)
(-4°F to +131°F)
Humidity: 95% non-condensing
Altitude: -1,500 ft to 50,000 ft
(-457 m to 15,240 m)
GPS PERFORMANCE
Receiver: 12 parallel channel PhaseT
rac12™
Acquisition Time: 12 seconds (warm)
45 seconds (cold)
Update Rate: Once per second, continuous
Accuracy: Position - 15 meters (49 ft) RMS**
Velocity - 0.1 knot RMS steady state
Dynamics: 999 kts maximum velocity
6g maximum acceleration
VHF COM PERFORMANCE
Channels: 760 (25 kHz spacing)
or 2280 (8.33 kHz spacing)
Frequency Range: 118.000 MHz to 136.975 MHz
Transmit Power: 10 watts minimum (430)
16 watts minimum (430A)
VOR PERFORMANCE
Frequency Range: 108.00 MHz to 117.95 MHz
LOCALIZER PERFORMANCE
Fr
equency Range: 108.10 MHz to 111.95 MHz
GLIDESLOPE PERFORMANCE
Fr
equency Range: 329.15 MHz to 335.00 MHz
INTERFACES
ARINC 429; Aviation RS-232; CDI/HSI;
RMI (digital:clock/data); Superflag Out;
Altitude (serial: Icarus, Shadin, Rosetta, or
encoded: Gillham/Greycode); Fuel Sensor; Fuel/
Air Data
* Earlier versions of the 430 were designed to be used
with 28 Vdc power only. For questions on a particular
installation, please refer to a Garmin authorized
service center.
**Subject to accuracy degradation to 100m 2DRMS
under the U.S. DOD-imposed Selective Availability
Program.
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