Communication and Airspace Knowledge Flashcards

What are the basic VFR weather minimums (visibility and cloud clearance) in Class C airspace below 10,000 feet MSL?

Answer: 3 SM, 500 below/1,000 above/2,000 horizontal

Class C requires 3 SM visibility with 500 feet below, 1,000 feet above, and 2,000 feet horizontal cloud clearance.

In Class G airspace at 1,200 feet or less above the surface during the day, what is the minimum flight visibility for VFR?

Answer: 1 statute mile

Daytime Class G below 1,200 AGL requires 1 SM visibility and clear of clouds.

What special use airspace requires no permission to enter but where invisible hazards to aircraft such as artillery firing may exist?

Answer: Military Operations Area (MOA)

A MOA separates military training from IFR traffic; VFR pilots may enter but should exercise caution.

Entry into a Prohibited Area is characterized by what rule?

Answer: Never permitted

Flight within a Prohibited Area is not allowed for reasons of national security or welfare.

What frequency is designated as the international VHF emergency (distress) frequency?

Answer: 121.5 MHz

121.5 MHz is the international VHF aeronautical emergency frequency.

A Terminal Radar Service Area (TRSA) participation for VFR aircraft is best described as what?

Answer: Voluntary but recommended

TRSA radar service participation is voluntary for VFR aircraft, though strongly encouraged.

What is the term for the required equipment area within 30 NM of a Class B primary airport, from the surface to 10,000 feet MSL?

Answer: Mode C veil

The Mode C veil extends 30 NM from the Class B primary airport and requires a Mode C transponder.