GPC Radio Communications and Airport Procedures

Question 1

What is the standard CTAF/UNICOM frequency used at most uncontrolled airports in the US?

Accepted Answer

122.8 MHz

Answer

122.8 MHz is the most commonly designated CTAF/UNICOM frequency at uncontrolled airports for pilot-to-pilot traffic advisories.

Question 2

A steady green light gun signal directed at a glider on the ground means:

Accepted Answer

Cleared for takeoff

Answer

A steady green light from the tower to an aircraft on the ground means cleared for takeoff.

Question 3

What does CTAF stand for in aviation communications?

Accepted Answer

Common Traffic Advisory Frequency

Answer

CTAF stands for Common Traffic Advisory Frequency, the designated frequency for self-announce position reports at non-towered airports.

Question 4

A flashing red light gun signal directed at an aircraft in flight means:

Accepted Answer

Airport unsafe — do not land

Answer

A flashing red light gun signal to an aircraft in flight means the airport is unsafe and landing is not permitted.

Question 5

Which frequency is designated as the international aeronautical emergency frequency?

Accepted Answer

121.5 MHz

Answer

121.5 MHz is the international emergency frequency monitored by ATC facilities and search and rescue services.

GPC - Glider Pilot Certificate Practice Test