Before revision: AIS-P as an alternative to ADS-B TailLight implemented as a free addition inside General Aviation ATCRBS transponders , such as the AT-155, utilizes the AIS-P protocol to achieve all intended ADS-B advertised collision avoidance benefits in the airport terminal and en route airspace.
After revision: AIS-P as an alternative to ADS-B The TailLight, which is offered as a complimentary feature in General Aviation ATCRBS transponders like the AT-155, utilizes the AIS-P protocol to effectively deliver the advertised collision avoidance benefits of ADS-B in both airport terminal and en route airspace.