Where can you find a country's specific deviations from ICAO regulations?

The correct choice highlights that specific deviations from ICAO (International Civil Aviation Organization) regulations can typically be found in Flight Information Publications (FLIP), Aeronautical Information Publications (FCG), and Flight Information Handbooks (FIH). These documents are designed to provide pilots and aviation personnel with crucial information about the national regulations that differ from ICAO standards.

FLIP documents often contain aeronautical information specific to an area, including regulations, procedures, and operational information tailored to the needs and practices of that country's aviation authority. Similarly, FCG (Flight Circulars General) and FIH (Flight Information Handbooks) serve as authoritative resources detailing any variance from ICAO protocols that are applicable within that country. These publications are crucial for ensuring that pilots and operators are aware of the specific rules and requirements that may differ from international standards.

In contrast, other options like ATC manuals, NAV, FMS, and ICAO publications may not provide the specific deviations in the same organized manner or focus on national differences. While ATC manuals contain operational procedures pertaining to air traffic control, they might not encapsulate broader regulatory deviations. ICAO publications outline the standards and recommended practices set forth by the organization but do not typically document a country’s specific deviations from