Emergency Procedures; Normal Procedures; Performance - Cessna Hawk XP R172K Pilot Operating Handbook

EMERGENCY LOCATOR
TRANSMITTER (ELT)
PILOT'S OPERATING HANDI\(
H.1
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.•••• LOT'S OPERATING HANDBOOK
'~PPLEMENT
EMERGENCY LOCATOR
TRANSMITTER (ELT)
3
lector switch in the ON position.
(2) PRIOR TO SIGHTINGRESCUE AIRCRAFT: Conserve airplane
battery. Do not activate radio transceiver.
(3) AFTER SIGHTINGRESCUE AIRCRAFT: Place ELT function
selector switch in the OFF position, preventing radio interference.
Attempt contact with rescue aircraft with the radio transceiver set to
a frequency of 121. 5 MHz. If no contact is established, return the
function selector switch to ON immediately.
(4) FOLLOWING RESCUE: Place ELT function selector switch in
the OFF position, terminating emergency transmissions.
SECTION 4
NORMAL PROCEDURES
As long as the function selector switch remains in the ARM position,
t.he ELT automatically activates Iollowing an impact of 5g or more over a
short period of time.
Following a lightning strike, or an exceptionally hard landing, the
I<~LT may activate although no emergency exists. To check your ELT for
inadvertent activation, select 121. 5 MHz on your radio transceiver and
listen for an emergency tone transmission. If the ELT can be heard trans-
mitting, place the function selector switch in the OFF position and the tone
should cease. Immediately place the function selector switch in the ARM
position to re-set the ELT for normal operation.
SECTION 5
PERFORMANCE
There is no change to the airplane performance data when this equip-
ment is installed.
3/(4 blank)
1. COVER - Removable for access to battery.
2. FUNCTIONSELECTOR SWITCH (3-position toggle switch):
ON - Activates transmitter instantly. Used for test purposes
and if "g" switch is inoperative.
OFF - Deactivates transmitter. Used during shipping, storage
and following rescue.
ARM- Activates transmitter only when "g" switch receives 5g
or more impact.
3. ANTENNARECEPTACLE - Connection to antenna mounted on
top of the tailcone.
Figure 1. ELT Control Panel
SECTION 3
EMERGENCY PROCEDURES
Immediately after a forced landing where emergency assistance is re-
quired, the ELT should be utilized as follows.
(1) ENSURE ELT ACTIVATION: Turn a radio transceiver ON and
select 121. 5 MHz. If the ELT can be heard transmitting, it was ac-
tivated by the "g" switch and is functioning properly. If no emergen-
cy tone is audible, gain access to the ELT and place the function se-
2