Park Rapids Avionics Products
Garmin GTX-330DES Mode S Digital Transponder
The GTX 330DES acts as your complete radar surveillance and airspace tracking hub. Equipped with factory Extended Squitter (ES), it automatically broadcasts your exact GPS position, ground speed, and altitude data directly to ATC ground stations to meet all structural ADS-B Out mandates.
Description
This unit has been bench tested by an FAA certified repair station and it comes with an 8130 single release dated 4/20/2026.
Unlike standard transponders, the “D” configuration utilizes two separate antennas—one on top of the fuselage and one on the bottom. This dual-antenna setup prevents your signal from being blocked by the aircraft wings or fuselage during steep turns or maneuvers.
Additional information
| Part Number | 011-00455-70 |
|---|---|
| Serial Number | 84205597 |
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