Garmin 420 Guida Utente

GNS 430 Pilot’s Guide and Reference

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 PhaseTrac12™

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

C

hannels: 

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

Frequency Range: 108.10 MHz to 111.95 MHz

GLIDESLOPE PERFORMANCE

Frequency 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