Mode S interrogator

EASA defines “Mode S interrogator” in one regulation. The wording below is reproduced verbatim from the EASA Easy Access Rules, with a link to the paragraph it comes from.

‘Mode S interrogator’ means a system, composed of antenna and electronics, which supports the addressing of individual aircraft through the Mode Select (“Mode S”);

Article 2 · Air Traffic Management / Air Navigation Services · Regulation (EU) 2017/373 · Easy Access Rules, 12 Mar 2025 revision · Read Article 2

Defined in the same article

airborne collision avoidance system (ACAS)
ATM/ANS provider
data services provider (DAT provider)
design of airspace structures
eligible Mode S interrogator
harmful interference
interrogator code allocation plan
Mode S operator

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