CA99-340253-1 MIC SWITCH

The **CA99-340253-1 MIC SWITCH** is an **FAA-PMA approved microphone switch assembly** manufactured by **PMA Products LLC** as a certified replacement for the OEM Beechcraft 99-340253-1 part. It is engineered to provide reliable **push-to-talk (PTT) microphone control** within cockpit communication and intercom systems for specific Beechcraft aircraft series. Produced under approved FAA-PMA minor alteration procedures, the CA99-340253-1 delivers dependable performance and airworthiness compliance at a cost-effective alternative to original manufacturer parts. --- ## Applications - Replacement **microphone switch assembly** for certified Beechcraft aircraft - Suitable for cockpit audio and communication systems requiring PTT switch functionality - Approved for use where **CA99-340253-1** PMA part is specified in aircraft documentation --- ## Why CJ Aerospace? CJ Aerospace supplies trusted aviation electrical and cockpit replacement components. We offer fast local delivery, expert technical support, and industry-proven products that keep operations moving. - 🇦🇺 **Australian-owned & operated** - 📦 **Stocked locally in Australia for fast dispatch** - 🔍 **Specialist knowledge of aviation electrical components** - 🧰 **Used by leading MROs & maintenance professionals** > ✉️ [Contact us sales@cjaerospace.com.au](mailto:sales@cjaerospace.com.au) > Need installation guidance or technical documentation? Contact CJ Aerospace for expert support.

- **FAA-PMA approved** replacement for Beechcraft OEM microphone switch - Designed for **momentary push-to-talk control** within certified aircraft - **Direct fit** replacement for specified Beechcraft applications - Constructed for **reliable cockpit communication performance** - Suitable for standard aviation operating environments