SECTION I
GENERAL INFORMATION
1.1 SCOPE
This manual contains information necessary for the installation, test and operation of
the model AK-451, Emergency Locator Transmitter, manufactured by Ameri-King
Corporation, California, U.S.A.
1.2 OVERVIEW
1.2.1 Description
The Ameri-King AK-451-( ) Series is a FAA TSO’d approved, EASA ETSO’d
approved, 406 MHz ELT Emergency Locator Transmitter, Types (AF) Automatic
Fixed, (AP) Automatic Portable, (S) Survival. It transmits aircraft GPS/NAV position
data, immediately and accurately, on triple (406 Satellite /243 Military /121.5
Civilian) MHz frequencies. The supreme advantage feature is the aircraft GPS/NAV
Latitude / Longitude exact position shall be transmitted, within 1 minute, on the very
first burst, without waiting for a Polar Orbiting Satellite (could be up to 4 hours).
Enhance the accuracy significantly, for the ground search area, from 1-2 kilometers
(non GPS/ NAV Position) to 22 meters typical (with GPS/NAV Position). Having a
triple frequency insures your distress message reaches both NOAA Satellite
Operation and US Air Force AFSR Ground Operation, Search and Rescue Team, with
100% fully confidence, due to transmitting on both 243.0 MHz Military and 121.5
MHz Civilian bands, for immediate ground search dispatch, narrowing the searching
time.
The AK-451 ELT Emergency Locator Transmitter is micro controller based
equipment. It is extremely reliable equipment, designed to meet TSO-C126 and TSO-
C91A requirements, batteries operated and self contained.
The ELT Emergency Locator Transmitter is designed only for emergency use. The
model AK-451 may be used as one or more of the following ELT types:
a. Automatic Fixed-ELT (AF):
The ELT (AF) is designed to be permanently attached to the aircraft before and after a
crash. Aural and flashing light monitors are provided to alert the flight crew that the
ELT has been activated and is transmitting. It is designed to aid the Cospas-Sarsat
satellite and SAR teams in locating a crash site.
The model AK-451 (AF) consists of an ELT main unit, an aircraft-fixed antenna,
coaxial cable assembly, remote switch unit, interconnect wiring assembly, a T-adapter
connector, an audible buzzer monitor, a mounting tray, and clamp holders.
The ELT (AF) has an automatic activation G-Switch. It is activated automatically
upon a crash or manually operated.
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