; (B) daily operational performance, including delays and cancellations; and (C) the potential need for performance-based operational metrics related to the NextGen program and subsequent air traffic modernization programs and efforts. 620. Contract Tower Program Section 47124 of title 49, United States Code, is amended— (1) in subsection (b)(3) by adding at the end the following: (H) Period for completion of an operational readiness inspection The Secretary shall provide airport sponsors acting in good faith 7 years to complete an operational readiness inspection after receiving a benefit-to-cost ratio of air traffic control services for an airport. ; and (2) by adding at the end the following: (f) Improving controller situational awareness (1) In general Not later than 1 year after the date of enactment of this subsection, the Secretary shall allow air traffic controllers at towers operated under the Contract Tower Program to use approved advanced equipment and technologies to improve operational situational awareness, including Standard Terminal Automation Replacement System radar displays, Automatic Dependent Surveillance-Broadcast, Flight Data Input/Output, and Automatic Terminal Information System. (2) Installation and maintenance Not later than 2 years after the date of enactment of this subsection, the Secretary shall allow airports to— (A) procure a Standard Terminal Automation Replacement System or any equivalent system through the Federal Aviation Administration, and install and maintain such system using Administration services