WASHINGTON, July 14 -- Federal Aviation Administration has issued a notice called: Notice of Intent To Cancel Withdrawal of TSO-C122a, Equipment That Prevent Blocked Channels Used in Two-Way Radio Communications Due to Simultaneous Transmissions.

The notice was published in the Federal Register on July 14 by James D. Foltz, Deputy Director, Policy and Standards Division, Aircraft Certification Service.

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 ...