The modification provides instructions and approval for the removal of an existing HF 9100 radio system for the sake of reducing the overall weight and drag of the helicopter and extending the range / improving the fuel economy. The weight removed by the modification is in excess of 20kg, while retaining all wiring interconnection to allow simplified reconfiguration if required. The system is comprised of a:
Control Unit (on the console)
Receiver-Transmitter (in the tail boom)
Antenna Coupler (next to the Receiver-Transmitter)
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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.
