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• Airline Transport Pilot: An Airline Transport Pilot (ATP) is the highest level of aircraft pilot certification. It is required for pilots who wish to fly for an airline or other commercial operator. To obtain an ATP certificate, a pilot must have extensive flight e ... Read More >>
• VHF Relay Station: A VHF Relay Station is a ground-based radio station that receives VHF radio signals from aircraft and retransmits them to other ground-based stations or aircraft. These stations are used to extend the range of VHF communications beyond the ... Read More >>
• Nautical Almanac: Nautical Almanac is a publication that contains astronomical information to assist navigators in determining their position and making astronomical observations at sea. It provides data on the positions of celestial bodies, such as the sun, ... Read More >>