bose zulu

bose zulu

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What means when an aviation headset is TSO certified?

Hi, somebody could tell me what means when an aviation headset is TSO certified???

Can I use a non certified headset at a Boeing 737 or an Airbus???

For example Sennheiser says than their headsets are TSO certified, Bose too but lightspeed zulu not.

If you are flying that Boeing or Airbus for a Pt. 121 (airline) operation you can use the non TSO'd Headset if the aircraft is equipped with speakers and a microphone for communications.
IF so equipped (all will be) having the equipment becomes the PRIMARY means of comm so use of a non TSO headset is a moot point as far as the regulations are concerned.
The specific airline company you work for, may forbid their use, but that is a company policy, not a regulation.