List of modifications

Helicopters / Leonardo H / AW139

MAP160 – Axnes Aviation Polycon to PNG upgrade

MAP160 – Axnes Aviation Polycon to PNG upgrade

The Axnes Polycon wireless intercom extension system is upgraded to the newer Axnes PNG system. The PNG system provides additional capability in comparison to old system, for instance digital secure communication, robust range, AIS, GPS tracking etc.

Axnes Aviation AS is the OEM for both the Polycon and PNG system and a long term partner of MAP 21. Checkout www.axnes.no

The upgrade is comprised of:

  • Replacement of the existing Axnes Polycon Base Station with an Axnes PNG Base Station
  • Removal of a Line Amplifier
  • Installation of a PNG Control Panel on an existing console in the cabin
  • Installation of an external PNG antenna
  • Reutilisation of existing wiring and installation of new wiring as required
  • Reusing existing Polycon Circuit Breaker

The modification includes (customer documents):

  • Mechanical installation drawings
  • Mechanical manufacturing drawings (for brackets required)
  • Wiring diagrams, including routing
  • Engineering orders
  • Instruction for Continued Airworthiness
  • Flight Manual Supplement

To request development and/or EASA approval of a modification or repair, please contact us.

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EASA Design Organisation approval

Certified design

MAP 21 achieved an EASA Part 21 Subpart J Design Organisation Approval in 2007, EASA.21J.326, which enables us to approve modifications to the aviation industry as a delegated EASA authority.