CTO Light Gun Signals & Lost Communications 5

Question 1

Which light gun signal is used to clear an aircraft on the ground to cross an active runway?

Accepted Answer

Steady green

Answer

A steady green light on the ground authorizes the aircraft to proceed, including crossing an active runway when so instructed.

Question 2

A pilot receives a flashing red light while taxiing. What action is required?

Accepted Answer

Taxi clear of the runway in use

Answer

A flashing red light directed at a taxiing aircraft means taxi clear of the runway in use.

Question 3

Under the lost communications IFR timing rules, a pilot should begin descent from the IAF or FAF at which of the following times?

Accepted Answer

At the expect-further-clearance (EFC) time or estimated arrival time from the filed flight plan

Answer

The pilot should begin the approach at the EFC time, or if none was given, at the estimated time of arrival based on the filed flight plan.

Question 4

A student pilot asks what the acronym NORDO means. The correct answer is:

Accepted Answer

No Radio

Answer

NORDO is ATC shorthand for 'No Radio,' indicating an aircraft that has lost or lacks two-way radio communication capability.

Question 5

An aircraft in flight that has lost communications is approaching a class D airport. To signal acknowledgment of a cleared-to-land light gun signal at night, the pilot should:

Accepted Answer

Flash the landing lights twice

Answer

At night, airborne pilots acknowledge light gun signals by flashing the landing lights on and off.

(CTO) Air Traffic Control Tower Operator Certification Practice Test

(CTO) Air Traffic Control Tower Operator Certification Practice Test

CTO Light Gun Signals & Lost Communications 5