ENSTROM 480/480B RFM SUPPLEMENT
5-1
FAA Approved: Jan 24/11
Report No. 28-AC-041
Dec 17/10
CHAPTER 5. OPTIONAL EQUIPMENT SUPPLEMENTS
5-1. General
1. Refer to the basic RFM.
2. In addition to the applicable equipment installations set
forth in the basic RFM, the instructions for the following
installed equipment must be observed.
5-2. Emergency Locator Transmitter
1. The 480/480B is equipped with a fixed ELT, model AK-
451.
2. The ELT should be registered with the local National
Authority. The 406 MHz ELT transmits a programmed UIN
when activated. Registration provides SAR organizations with
contact information to verify an actual emergency, assist
identification, and speed the launch of a rescue operation.
WARNING
The AK-451 ELT should be registered with
the National Authority prior to use. Lack of
registration could delay rescue operation in
an actual emergency.
3. The AK-451 ELT transmits on the following frequencies:
121.5 MHz, 243.0 MHz, and 406 MHz.
4. Main switch selection
“ARM”
:
a. For normal operation, set the main switch at “
ARM
”
position. A self-test is confirmed after 24 seconds. The
two green ON lights and the buzzer sound will extinguish
after a successful self-test.
b. The AK-451 ELT will automatically activate upon impact.
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level of this Rotorcraft Flight Manual Supplement.
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