Ensure the installation complies with relevant FAA Advisory Circulars (e.g., AC 43.13-1B and AC 43.13-2A). Gather Materials: You will need the KT 70 transponder Go to product viewer dialog for this item.

For installations using modern digital air data computers or solid-state encoders, ARINC 429 digital data buses can feed altitude information. Connect the digital high/low lines to Pins S and T. Ensure the encoder data rate matches the configured speed profile of the transponder receiver port. 5. Post-Installation Configuration and Testing

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Installation must comply with the Federal Aviation Administration (FAA) requirements (e.g., FAR Part 43). An FAA Form 337 is generally required for return to service.