Here’s the first Low Frequency Automatic Direction Finder (LF/ADF) to provide an internal, field upgradeable MIL-STD-1553B digital multiplex bus capability – the Collins Aerospace AN/ARN-149(V). The system gives your military aircraft around the world the ability to navigate in austere locations where a commercial AM broadcast signal is the only available navigation aid.

Features & benefits

  • Lightweight – under 11 lbs for complete system
  • Synthesized digital tuning
  • Internal, field-upgradable, MIL-STD1553 compatibility (input and output functions) with retention of analog interface
  • 100 to 2199.5 kHz frequency coverage in 500 Hz steps; positive digital selection
  • Integrated sense-loop antenna, dual antenna available for dual installations
  • Dual identification tone filter enhances Morse tones for positive aural identification even with noisy reception conditions
  • Two preset emergency channels
  • Easy retrofit; uses existing control wiring in most cases
  • Internal QEC, connector-strapped; airframe wiring sets QEC
  • Meets RTCA MOPS
  • DO-160 rated for hard mounting in helicopters and fixed wing aircraft
  • High reliability; predicted MTBF is 4,900 hours

Contacts