A-30.9 w/RS 232 Output

Part No: A30.9

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A-30.9 w/RS 232 Output

The ACK A30.9 (Mod 9) encoder is ideal for use with most GPS and TAWS systems, and works well with most of today's mode S transponders. Feature Gray code in 100ft. increments and RS-232 in 10 or 100 feet increments. Furnished with a 4 ft. harness,

FAA TSO C-88A approved to 42,000 ft. All-solid-state and includes complete harness, mounting tray, static hose and fitting, and connector kit. Dual RS-232 allows interface to your GPS system. Size: 5.5" x 2.5" x 1.5". Weight: .5 lbs.

  • Altitude Encoder/42K, dual RS232 outputs
  • Adds Mode C capability the most cost effective way
  • Latest solid state electronics for high reliability
  • Small, light, high quality encoder
  • Quick and easy installation
  • Compatible with most transponders in use today
  • Code compatible with all classes of Mode S transponders
  • FAA TSO-C88a Approved


Quick release mounting tray
4' color coded wiring harness with pre-wired jack
Static line and fittings for installation in any aircraft
Installation manual with popular transponder pin outs


  • Mfr Part No: A-30.9
  • ECCN: 7A994
  • PROAPP: PT0880NM
  • SCHEDULE B CODE: 9014.20.6000
  • TSO: C88a


5.1 oz (144 grams)
6 x 2.65 x 1.3 in
MOD 5: –950 to 30,750 ft
MOD 9: –950 to 42,000 ft

±20 ft, typical
±50 ft, maximum

Operating voltage: 
10 VDC to 32 VDC

Operating current: 
160 mA, typical

Operating temp:
-4°F to 131°F (-20°C to 55°C)

Warm-up current draw:
14 VDC @ 160 mA
28 VDC @ 220 mA

Warm-up time: 
70°F ambient 60 seconds
0°F ambient 210 seconds RS 232 10 ft or 100 ft

Altitude resolution: 
Gray code (parallel) output 100 ft

German LBA 10.221/4

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