NOTAM [ICAO]

A notice containing information concerning the establishment, condition or change in any aeronautical facility, service, procedure or hazard, the timely knowledge of which is essential to personnel concerned with flight operations.
  1. I Distribution- Distribution by means of telecommunication.
  2. II Distribution- Distribution by means other than telecommunications.

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