Comms Test #3

What is the purpose of the LNA/DIP (Low Noise Amplifier/Diplexer)?

Which component allows SATCOM systems to relay ACARS messages?

How many channels does HF communication support?

What frequency range does the HGA transmit?

What other communication methods can ACARS use besides VHF?

Where is the SCM typically mounted?

How can a Selcal code be changed?

Which of the following is NOT a component of the AES?

When was the first inflight film shown?

What are the main components of ACARS?

What is the frequency range of HF communication?

What frequency range does the HGA receive in the L band?

Which of the following is NOT a safety requirement for HF operation?

What is the primary function of the PA system?

What happens to the 02 mask mic when it is removed from its box?

How does the glare shield PTT function?

How many channels are in each SATCOM system?

Which frequency does ACARS most commonly use?

Where is the Audio Selector Panel (ASP) typically located?

How are Selcal codes structured?

Which satellite regions are part of the INMARSAT system?

Who created ACARS?

How many main components does an AES (Air Earth Station) have?

What device might passengers use to access the internet or entertainment during a flight?

How many headphone jacks can an aircraft communication system have?

How can the yoke PTT be used?

What does ETOPS refer to?

What does the Seat Electronics Box (SEB) manage?

Where are flight interphone controls typically located?

What are the three main components of the SATCOM system?

What is the job of the Ground Earth Station (GES)?

What type of ACARS message monitors equipment health and maintenance?

What information is stored in the ACARS personality module (APM)?

What does SATCOM stand for?

What does a green light indicate on aircraft communication systems?

How is the service interphone activated in the U.S.?

How does the flight crew call system function?

How many satellites make up the INMARSAT system?

HF signals are most effective under which condition?

What do the "OOOI" messages in ACARS track?

Which microphone is not commonly used by the flight crew?

What is the role of the HGA in the AES system?

What is the purpose of spot beams in SATCOM?

What system is specifically used on helicopters for monitoring?

What happens when a Selcal code is received?

How many audio tones does Selcal send?

What does "IFE" stand for?

What does ACARS stand for?

What is onboard media?

What happens to the flight interphone when the aircraft power is turned on?

Why is the HF antenna pressurized with nitrogen?

What is the primary purpose of a WAP (Wireless Access Point)?

What feature allows an open communication channel?

How much does the PA amplifier boost the signal?

What type of modulation does HF communication use?

What is a "ping" message in ACARS used for?

Which frequencies are used to test HF communication?

What ties together audio communication in the aircraft?

What frequencies does Selcal operate on?

What phenomenon allows HF signals to cover long distances?

Where is the HF coupler typically located?