14 C.F.R. § 170.25 LORAN-C discontinuance criteria.
Title 14 - Aeronautics and Space
A LORAN-C nonprecision approach may be subject to discontinuance when the present value of the continued maintenance costs (PVCM) of the LORAN-C approach exceed the present value of its remaining life-cycle benefits (PVB): PVB/PVCM < 1.0
Title 14: Aeronautics and Space
PART 170—ESTABLISHMENT AND DISCONTINUANCE CRITERIA FOR AIR TRAFFIC CONTROL SERVICES AND NAVIGATIONAL FACILITIES
Subpart C—LORAN-C
§ 170.25 LORAN-C discontinuance criteria.
