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Federal Aviation Regulations

Sec. 170.25 — LORAN-C discontinuance criteria.

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

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