C.F.R. » Title 14 » CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION › SUBCHAPTER J—NAVIGATIONAL FACILITIES › PART 170—ESTABLISHMENT AND DISCONTINUANCE CRITERIA FOR AIR TRAFFIC CONTROL SERVICES AND NAVIGATIONAL FACILITIES › Subpart B—Airport Traffic Control Towers

14 C.F.R. § 170.15

ATCT discontinuance criteria

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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