What is mode S transponder?
mode S transponder An aircraft transponder providing selective, data-rich responses to ATC interrogations, supporting identification and surveillance functions.
Source: ICAO Doc 9432, FAA PCG
How is “mode S transponder” Used in Practice?
Mode S transponder set to IDENT, confirming with ATC for traffic identification.
Certification Exam Relevance
Who Needs to Know This Term?
- Pilots
- Air Traffic Controllers
- Cabin Crew
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What is mode S transponder?
An aircraft transponder providing selective, data-rich responses to ATC interrogations, supporting identification and surveillance functions.
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