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ATSEP BASIC - ALL IN ONE QUIZZ
UPDATED ACTUAL EXAM WITH CORRECT
SOLUTIONS.
What type of surveillance is regarded Non-cooperative, independent surveillance? - correct answer- PSR radar
What surveillance technique is ADS-B? - correct answer- Cooperative, dependent surveillance
What is an example of Cooperative, Independent surveillance?
- correct answer- SSR radar
How is an aircraft detected by the PSR? - correct answer- By reflected electromagnetic energy transmitted from the radar
What is radar clutter on an ATM radar? - correct answer- Unwanted targets
What is a limitation to the PSR radar? - correct answer- No identification of received echoes 1 / 3
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What is meant by PRI? - correct answer- Pulse repetition interval
What is the purpose of the duplexer? - correct answer- To alternately switch the antenna between receiving and transmitting
What is the operating principle of the aircraft transponder? - correct answer- 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? - correct answer- Pressure altitude
What is it called when replies from 2 aircraft overlap causing errors in extracting the included data? - correct answer- Garbling
What is a disadvantage of the classical SSR radar? - correct answer- Garbling can occur if 2 aircraft are close in slant range and on the same bearing 2 / 3
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What is a feature of Mode S? - correct answer- Selective interrogations to reduce FRUIT
What is provided with Mode S enhanced surveillance? - correct answer- Downlinked aircraft parameters
What is a feature of the Monopulse SSR radar? - correct answer- Improved azimuth resolution and fewer pulses needed to determine position
ADS (automatic dependent surveillance) is a surveillance
technique for use by ATS in which: - correct answer- Aircraft
automatically provide, via data link, data from on-board navigation systems
What is a feature of ADS-B? - correct answer- High update rate and simple, omnidirectional receivers
Which airborne equipment supports the 1090ES messages? - correct answer- The Mode S transponder
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