The world’s smallest and lightest radio: The most advanced functions.

Our AIR COM (AC-1) features best-in-class sound. Its all-digital audio system allows unprecedented functions like the “Say Again” replay function.

Say Again -The function everyone loves
With a button push, AIR Com replays the last incoming transmissions. This unique function is an excellent safety function. It reduces channel congestion and helps everyone to understand and listen carefully.

Better Sound - AIR Com’s best feature
Our AIR COM (AC-1) features an all-new audio design that delivers crystal-clear sound. Its all-digital audio system allows unprecedented functions, like the “Say Again” replay function.
Its flexible audio setup allows two independent audio configurations. This is handy in all aircraft where the microphone setup is often changed, such as motor gliders or open-cockpit aircraft. '

Intercom- Robust and feature-rich intercom
Its integrated intercom function can serve up to four seats with clear audio. If desired, the intercom allows the flight crew to be isolated from the passengers’ chatter.

Integrates seamlessly - Loaded with audio I/O, switches, and interfaces.

AIR COM features three fully customizable microphone inputs that also support dynamic microphones. It has two headset audio outputs (up to four headsets) and a speaker output.

Four discrete inputs allow the connection of buttons and switches. Push-to-talk and many other functions, such as channel flipflop, audio configuration changes, intercom activation, and the “Say Again” function, can be triggered.

In addition to an ACD-57 or even without an ACD-57, AIR COM can be remote-controlled. It works seamlessly with many third-party systems, such as GARMIN® G3X touch® or Dynon® SkyView® Flightdeck systems.

Radio technology
- 6W Transmit Power
- Dual Watch
- 8.33kHz channel spacing

Audio
- Three independent microphone inputs with adjustable GAIN values (also supporting dynamic microphones)
- Amplified speaker output
- Two headphone outputs (up to four headphones)
- Intercom (up to four places)
- Two audio configurations, switchable in flight

Quality
- All-metal enclosure
- DO-160 qualified for environmental conditions
- Made in Germany
- Produced in PART21 environment

Support
- Backed by AIR Avionics’ renown customer support via email and telephone
- Repairs conducted in our PART145 certified repair center
- Two year warranty

Unique functions
- Say Again function for replay of incoming transmissions
- Independent volume for dual watch

Compatibility
- AIR Control Display (multiple) via CAN aerospace data bus
- RS-232: Garmin® GTR225

Dimensions and connectors
- 122mm x 61.5mm x 30.75mm
- Weight: 160g
- Connectors: D-SUB 26HD (Rear), D-SUB 15HD (Front), BNC (ANT)
- Can be directly combined with AIR Control Display

Reciprocal Acceptance FAQs - How to use the ACD-57 as a altimeter with FAA approval.

Manuals & Software Upgrades

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