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ACAS WITH 100- SURE ANSWERS.
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ACAS WITH 100- SURE ANSWERS.
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10/23/24, 4:21 AMEUNICE
ACAS WITH QUESTIONS AND 100% CORRECT
ANSWERS
the first airborne collision avoidance system, ACAS I, was designed to provide traffic
what was ACAS I designed to do? information between aircraft using SSR transponders that are independent of ground
radar units.
ACAS II improves on ACAS I by also providing manoeuvre advice in the pitching
what was ACAS II designed to do?
plane to avoid conflict..
what does EU-OPS require of new aircraft EU-OPS require new aircraft with more than 19 passenger seats or with a MTOM of
in terms of ACAS? more than 5700Kg to carry and use ACAS II.
what is required of aircraft registered aircraft of more than 5700Kg registered outside of EASA must have ACAS II to
outside of EASA to operate in European operate in European RVSM airspace or in the North Atlantic region.
RVSM airspace?
the TCAS system uses a mode S transponder to interrogate the SSR transponders of
nearby aircraft to plot the relative position and velocities. their track and closing
how does the TCAS system operate?
speed is computer and where a collision risk is identified, issues a warning to the
crew.
the data transmitted in the squitter package depends on the level set in the system
what data is included in the squitter
but at minimum it contains and ICAO 24-bit identification code and its pressure
package?
altitude.
how many data points do extended extended squitters, used in ADS-B, carry 49 individual data points.
squitters carry?
how are bearings obtained? bearings are obtained using direction finding antenna.
distance is obtained by measuring the time delay between the transmitted and
how is distance obtained?
received signals.
what happens if the computed time to TCAS can, if the computed time to impact is small, generate pitch commands.
impact is very small?
the TCAS system protects a small area of airspace around the aircraft where a
what does the TCAS system protect?
collision is possible.
how are TCAS threats determined? TCAS threats are determined by the time to enter the collision area, known as tau.
what are the typical times form initial - 48 to 35 seconds to enter the caution area from initial intrusion.
intrusion to collision? - 35 to 15 seconds to enter the danger area from initial intrusion..
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