The Ameri-King AK-451 as an installed ELT (Emergency Locator Transmitter) has become standard equipment in many aircraft in recent times. The AK-451-21 is a compact and triple frequency transmitter at a value price. The Ameri-King AK-451 PLB is a COSPAS-SARSAT and FCC approved, 406 MHz Satellite P-ELT Personal Emergency Locator...