14 CFR § 170.15 - ATCT discontinuance criteria.

---
identifier: "/us/cfr/t14/s170.15"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "14 CFR § 170.15 - ATCT discontinuance criteria."
title_number: 14
title_name: "Aeronautics and Space"
section_number: "170.15"
section_name: "ATCT discontinuance criteria."
chapter_name: "FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "J"
subchapter_name: "NAVIGATIONAL FACILITIES"
part_number: "170"
part_name: "ESTABLISHMENT AND DISCONTINUANCE CRITERIA FOR AIR TRAFFIC CONTROL SERVICES AND NAVIGATIONAL FACILITIES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "49 U.S.C. 106(g), 40103-40107, 40113, 44502, 44701-44702, 44708-44709, 44719, 44721-44722, 46308."
regulatory_source: "56 FR 341, Jan. 3, 1991, unless otherwise noted."
cfr_part: "170"
---


# 170.15 ATCT discontinuance criteria.

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