14 Jul 2025

📡FAA Withdraws Intent to Cancel TSO-C122a for Aviation Safety

Notice of Intent To Cancel Withdrawal of TSO-C122a, Equipment That Prevent Blocked Channels Used in Two-Way Radio Communications Due to Simultaneous Transmissions

Summary

This notice announces the FAA's withdrawal of the notice of intent to cancel Technical Standard Order (TSO-)C122a, "Equipment That Prevent Blocked Channels Used in Two-Way Radio Communications Due to Simultaneous Transmissions," dated June 18, 2012. Retaining TSO-C122a as an active TSO allows the continued design or production of articles authorized under the existing TSO approval. This withdrawal reflects the FAA's decision to maintain support for existing authorizations under TSO-C122a.

Agencies

  • Transportation Department
  • Federal Aviation Administration

Business Impact ?

$$ - Med

This regulatory notice informs businesses about the retention of TSO-C122a, vital for developing two-way radio communication equipment, following an FAA decision due to safety investigations. Manufacturers can continue to design equipment under this TSO, hence affecting compliance, production strategies, and potential operational practices.

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