Inland Navigation Facility

A navigation aid on a North American Route at which the common route and/or the noncommon route begins or ends.

Source: Pilot Contoller Glossary (PCG)

#
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z