For a €80 Euro I Marktplaats.nl a Telex Airman 750 on the head can tap.

It is the best-selling lightweight headset in the world and is used in commercial and private jets . This headset is mainly found in the B737's.

The Telex Airman 750 features an amplified noise-canceling electr. microphone for crystal-clear voice transmission. A flexible boomarm makes sure to place the microphone in the appropriate position.
The adjustable headband of stainless steel makes this headset comfortable especially in long flights.

The Telex Airman 750 is compatible with the Ruscool intercomkaarten with 3.5 mm jacks. You can also use it through a really ‘aviation system’ or via a special adapter that one can connect to a computer.

The goal is also to continue to look for a second occurrence (FO) ...