avte 317 finals review

How does TCAS work?

• TCAS comes with a database which the signals refer to detect if nearby aircraft is a threat.

• It gets information from the RA about the height of the aircraft.

• Together with the weather radar, it scans nearby aircraft and determines if it is an intruder or a threat.

• TCAS uses transponder signals from nearby aircraft to determine their position and altitude relative to the own aircraft.

Provides traffic advisories (TAs) to alert the pilot of nearby aircraft but does not provide resolution advisories.

A __________ is a specific maneuvering instruction provided by TCAS when a collision threat is imminent.

GPWS uses data from the aircraft’s __________, which measures the distance between the aircraft and the ground directly below it.

The radio altimeter system determines the height of the aircraft above the ground irrespective of _________.

• cabin pressure

• ambient pressure

• atmospheric pressure

• weight on wheels

A ______ is a warning provided by TCAS to alert the pilot of the presence of another aircraft that may pose a collision threat.

• CFIT

• TA

• RA

• Non-threat traffic

The radio altimeter gives accurate height information when flying below _____ feet and is particularly useful during the approach phase.

When decision height is set to __________, decision height is not displayed on the EADI's.

In all electromagnetic radiation, the electric field is perpendicular to the direction of propagation, and this direction of the electric field is the _______ of the wave.

• direction

• polarization

• amplitude

• frequency

Frequency shift is caused by motion that changes the number of _______ between the reflector and the radar.