Skip to product information
1 of 2

ACK Tecknologies

ACK A-30 Altitude Encoder - Part Number: A-30

Regular price $95.00 USD
Regular price Sale price $95.00 USD
Sale Sold out

Please Note: As we have a large inventory of used Aircraft Parts, this is a file photo representative of the unit you will receive.

Please contact us if you need specific information (e.g., serial number or mod status) prior to purchasing.

All our products come with a 30-day money-back guarantee. If you are not satisfied, you may return the product for a full refund minus shipping costs.

This serviceable ACK A-30 encoder comes with a yellow-tag.

The ACK A-30 is a Gray Code encoder output up to 30,750 feet. This encoder is compatible with most aircraft mode C transponders. Care must be taken when replacing earlier digitizers to make sure that power is only applied to pin 8.


  • Mod 1
  • 10-32 volts
  • Light weight only 0.3 pounds
  • TSO’d