Aero-Terms are designed to be a daily reminder of the terms,
names, acronyms and explanations of the unique language that
populates the aviation world. Aerospace, sport aviation, fixed
wing, helo, you name it... it's all fair game.
Aero-Terms should serve as a quick but intriguing reminder of
the terms you may use every day, or an introduction to an aspects
of the Aero-World you may not yet be familiar with. ANN also
encourages readers to go beyond the FMI link, and further research
any intriguing terms.
An unmanned VHF/UHF transmitter/receiver facility which is used
to expand ARTCC air/ground communications coverage and to
facilitate direct contact between pilots and controllers. RCAG
facilities are sometimes not equipped with emergency frequencies
121.5 MHz and 243.0 MHz.