<s>
In	O
U.S.	O
and	O
Canadian	O
aviation	O
,	O
MULTICOM	B-Algorithm
is	O
a	O
frequency	O
allocation	O
used	O
as	O
a	O
Common	B-Algorithm
Traffic	I-Algorithm
Advisory	I-Algorithm
Frequency	I-Algorithm
(	O
CTAF	B-Algorithm
)	O
by	O
aircraft	O
near	O
airports	O
where	O
no	O
air	O
traffic	O
control	O
is	O
available	O
.	O
</s>
<s>
Despite	O
the	O
use	O
of	O
uppercase	O
letters	O
,	O
MULTICOM	B-Algorithm
is	O
not	O
an	O
abbreviation	O
or	O
acronym	O
.	O
</s>
<s>
In	O
the	O
United	O
States	O
,	O
there	O
is	O
one	O
MULTICOM	B-Algorithm
frequency	O
:	O
122.9MHz	O
.	O
</s>
<s>
(	O
See	O
AIM	O
table	O
4-1-2	O
or	O
AIM	O
table	O
4-1-1	O
)	O
At	O
uncontrolled	O
airports	O
without	O
a	O
UNICOM	B-Algorithm
,	O
pilots	O
are	O
to	O
self-announce	O
on	O
the	O
MULTICOM	B-Algorithm
frequency	O
.	O
</s>
<s>
In	O
Australia	O
,	O
there	O
is	O
one	O
MULTICOM	B-Algorithm
frequency	O
:	O
126.7MHz	O
.	O
</s>
<s>
In	O
Brazil	O
,	O
there	O
is	O
one	O
MULTICOM	B-Algorithm
frequency	O
:	O
123.45MHz	O
.	O
</s>
