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Product code


Factory New

In stock


24 months The warranty consists of a 24-month warranty for quality (OH/used products 12-month warranty) and subsequent free service provided by the supplier (if applicable). More information...

Price excl. VAT
$ 4,167

NAV/COM Radio, 8.33 kHz, 10W, w/ Install Kit More


Trig’s TX56 Nav/Com units provide the ideal platform to update legacy avionics or equip your new aircraft. Slimline and highly efficient both Nav/Com models are housed within a superbly engineered case. At only 33mm high each unit saves valuable space yet contains an impressive selection of practical features for any pilot.

The TX56 is available with 8.33 kHz channel spacing or conventional 25 kHz spacing, with 10 Watt transmit power. The TX56A and TX57A are 760 channel radio versions (non 8.33 kHz for use outside Europe).


  • Slimline – only 33mm high
  • Bright, clear display / simple user interface
  • Unique ‘Push Step’ for faster tuning
  • Dual Watch – monitor two com or two nav frequencies at the same time
  • ETSO and TSO approval (pending)
  • Stereo music / two place intercom
  • ‘Say Again’ feature – allows playback of last transmission
  • USB port on facia – upload over 200 com and nav frequency database (CSV file)
  • VOR/ILS receiver – monitor a 2nd VOR
  • Built in VOR/LOC converter
  • Highly efficient – no cooling fans or external cooling required
  • Ideal retro-fit for legacy radios – same height as an SL30 and KX155A
  • Unbeatable quality – designed and manufactured in the U.K.
  • Two year worldwide warranty


  • Type: Certified
  • Certification: ETSO 2C128, 2C169a, 2C34f, ETSO 2C36f, 2C40c; TSOC128a TSO-C169a, C34e, TSO-C36e, C40c
  • Compliance: ED-23C, ED-67, DO-186B, DO-178B; Level B, DO-160G, DO-254 Level C
  • Supply Voltage (DC): 11 – 33 V
  • Typical Current Consumption (at 14v): (at 14V) receive: 265 mA transmit: 2A
  • Nominal Transmitter Power: 10 Watt
  • Operating Temperature: -20°C to +55°C
  • Cooling Requirement: No fan required
  • Weight: 1.1 kg / 2.42 lbs
  • Dimensions (mm) controller: H 44 x W 63 x L 54 mm; transponder in tray: H 48 x W 68 x L 160 mm
  • Installed Depth in Tray (inches): 9.05” long