ATSEP BASIC – All in one Quiz | 160 Questions with 100% Correct Answers | Updated & Verified<\/p>\n\n\n\n
ATSEP BASIC – All in one Quiz
What type of surveillance is regarded Non-cooperative, independent surveillance? – ANS – PSR
radar
What surveillance technique is ADS-B? – ANS – Cooperative, dependent surveillance
What is an example of Cooperative, Independent surveillance? – ANS – SSR radar
How is an aircraft detected by the PSR? – ANS – By reflected electromagnetic energy transmitted
from the radar
What is radar clutter on an ATM radar? – ANS – Unwanted targets
What is a limitation to the PSR radar? – ANS – No identification of received echoes
What is meant by PRI? – ANS – Pulse repetition interval
What is the purpose of the duplexer? – ANS – To alternately switch the antenna between
receiving and transmitting
What is the operating principle of the aircraft transponder? – ANS – To code a reply on the
1090MHz frequency in response to a SSR radar interrogation
What is transmitted on a Mode C reply from a transponder? – ANS – Pressure altitude
What is it called when replies from 2 aircraft overlap causing errors in extracting the included
data? – ANS – Garbling<\/p>\n\n\n\n
What is a disadvantage of the classical SSR radar? – ANS – Garbling can occur if 2 aircraft are
close in slant range and on the same bearing
What is a feature of Mode S? – ANS – Selective interrogations to reduce FRUIT
What is provided with Mode S enhanced surveillance? – ANS – Downlinked aircraft parameters
What is a feature of the Monopulse SSR radar? – ANS – Improved azimuth resolution and fewer
pulses needed to determine position
ADS (automatic dependent surveillance) is a surveillance technique for use by ATS in which: –
ANS – Aircraft automatically provide, via data link, data from on-board navigation systems
What is a feature of ADS-B? – ANS – High update rate and simple, omnidirectional receivers
Which airborne equipment supports the 1090ES messages? – ANS – The Mode S transponder
What is the dominant ADS-B data link technology in Europe? – ANS – 1090 extended squitter
What is the purpose of Mode S Short squitter? – ANS – ACAS\/TCAS interrogations
What is variation? – ANS – The difference between true and magnetic north
What is meant by instrument flight rules? – ANS – Flying by reference to instruments in the flight
deck, and navigation is accomplished by reference to electronic signals
What is the most common geodetic reference system with global coverage? – ANS – WGS 84
What is meant by “dead reckoning”? – ANS – Determining position based on known speed,
course and elapsed time
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