ANSWER 19
assistance or help
-------------------------------------------------------------------------
FRAME 20
If the aviator has radio
trouble, he must use another
communication means to attract
the attention of radar operators.
If
the
aircraft
has
a
_____________, the aviator can
call for assistance by tuning to
the proper code for communication
failure (mode 3, code 7600). In
an emergency (mode 3, code 7700),
the
transmission
from
the
transponder appears on the radar
scope as a distinct pattern that
alerts the controller to the
aviator's situation.
The proper
procedure for lost communication
AN/APX-72 transponder
is tuning to code 7700 for 1
minute
to
alert
air
traffic
control (ATC) and then tuning to
code 7600 for 15 minutes.
*************************************************************************
ANSWER 71
No response required.
-------------------------------------------------------------------------
FRAME 72
The aviator has responsibility for determining the adequacy of the
lost-communication procedure with respect to aircraft performance,
equipment capability, or reported weather. If the aviator cannot accept
the lost-communication procedure, the controller should request the
aviator's intentions. The controller then will inform the aviator of the
procedure the aviator will follow if the aviator loses communication.
55
AV0906
Previous Page
