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Check the pressure gage on each bottle to ensure the
following pressures:
PRESSURE TEMPERATURE CORRECTION TABLE
Temp °F
-60
-40
-20
0
+20
+40
+60
+80
+100
+120
Gage
110
127
148
174
207
249
304
367
442
532
Actual
134
155
180
212
251
299
354
417
492
582
If these pressures are not indicated, have the bottle
serviced.
LOCATOR BEACON SYSTEM (Model SHARC-7)
The locator beacon system is a sweep tone emergency
radio transmitter incorporating an externally mounted whip
antenna and a transmitter with an integral three position
switch, all located on the left side of the fuselage tail-
cone. The switch can be reached by removing the plug button
located adjacent to the locator beacon placard.
Normally,
the switch is in the ARM (AUTOMATIC "G" OPERATION) position;
this position allows the transmitter to be activated auto-
matically by the "G" switch.
The ON (EMERGENCY
&
TEST)
position should be used only to test the equipment or when-
ever a rescue is desired.
The OFF (AFTER RESCUE) position
should be used only after the rescue as this position will
disable all emergency transmissions.
The locator beacon transmits on both UHF and VHF emer-
gency frequencies simultaneously.
NOTE
The battery pack should be changed no later
than the date specified on the outside of
~be
locator beacon case and on each battery.
NORMAL PROCEDURES
7-22
(1)
Antenna - CHECK (during preflight inspection).
(2)
Locator Beacon Switch - ARM (for all flight opera-
tions).
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