14 C.F.R. § 170.15 ATCT discontinuance criteria.
Title 14 - Aeronautics and Space
An ATCT will be subject to discontinuance when the continued operation and maintenance costs less termination costs (CMPV) of the ATCT exceed the present value of its remaining life-cycle benefits (BPV): BPV/CMPV<1.0
Title 14: Aeronautics and Space
PART 170—ESTABLISHMENT AND DISCONTINUANCE CRITERIA FOR AIR TRAFFIC CONTROL SERVICES AND NAVIGATIONAL FACILITIES
Subpart B—Airport Traffic Control Towers
§ 170.15 ATCT discontinuance criteria.
