135.180—Traffic Alert and Collision Avoidance System.
(a)
Unless otherwise authorized by the Administrator, after December 31, 1995, no person may operate a turbine powered airplane that has a passenger seat configuration, excluding any pilot seat, of 10 to 30 seats unless it is equipped with an approved traffic alert and collision avoidance system. If a TCAS II system is installed, it must be capable of coordinating with TCAS units that meet TSO C-119.
(b)
The airplane flight manual required by § 135.21 of this part shall contain the following information on the TCAS I system required by this section: