Rich Doyle, August 2023 Using Bose A30 LEMO 6-pin panel power headsets without batteries installed in a Diamond (of any model) can result in the
Some Diamond models/years are equipped with only DP jacks. For example, my ’02 DA40 is one of these. However, there is a characteristic specific to Diamonds that allows using a DP/LEMO adapter cable that avoids this complication and actually allows you to plug your LEMO headset into (likely) any Diamond and use its panel power.
DPA is a non-profit society with a volunteer Board of Directors consisting of owners, operators and enthusiasts. DPA has established a formal relationship with Diamond Aircraft Industries to provide official information regarding the fleet of Diamond aircraft.