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  • Chapter 14: Airport Operations › Sources for Airport Data › Automated Terminal Information Service (ATIS)

    Information” section. Automated Terminal Information Service (ATIS) The Automated Terminal Information Service (ATIS) is a recording of the local weather conditions and other pertinent non-control information broadcast on a local ... frequency in a looped format. It is normally updated once per hour but is updated more often when changing local conditions warrant. Important information is broadcast on ATIS including weather, runways in use, specific ATC procedures, and any airport construction…

  • Chapter 12: Weather Theory › Wind and Currents › Convective Currents

    large scale atmospheric circulation, it does not take into account changes to the circulation on a local scale. Local conditions, geological features, and other anomalies can change the wind direction and speed close to the Earth’s surface. Convective Currents ... more slowly absorb heat and give off heat. The resulting uneven heating of the air creates small areas of local circulation called convective currents. Convective currents cause the bumpy, turbulent air sometimes experienced when flying at lower altitudes during warmer…

  • Chapter 7. Safety of Flight › Section 1. Meteorology › 7-1-10. Weather Observing Programs

    feet AGL. At many locations, AWOS signals may be received on the surface of the airport, but local conditions may limit the maximum AWOS reception distance and/or altitude. The system transmits a 20 to 30 second weather message updated each…

  • Chapter 7: Planning Instructional Activity › Scenario-Based Training (SBT) › SBT Lesson Plan

    generic syllabi are a starting point for the training provider. Scenarios can be tailored for the local weather and terrain conditions and are most effective when they replicate the environment most likely encountered by the learners…

  • Pilot/Controller Glossary › I

    governing the conduct of flight under instrument meteorological conditions. INSTRUMENT LANDING SYSTEM (ILS)- A precision instrument approach system which normally consists of the following electronic components and visual aids: a. Localizer. (See LOCALIZER.) b. Glideslope. (See GLIDESLOPE.) c. Outer Marker…

  • CHAPTER 5. PART 107 SUBPART B, OPERATING RULES (SMALL UAS) › 5.11 Preflight Familiarization, Inspection, and Actions for Aircraft Operation › 5.11.1 Prior to Flight. The remote PIC must:

    must: 1. Conduct an assessment of the operating environment. The assessment must include at least the following: • Local weather conditions; • Local airspace and any flight restrictions; • The location of persons and moving vehicles not directly participating in the operation ... Ensure all persons directly participating in the small UAS operation are informed about the following: • Operating conditions; • Emergency procedures; • Contingency procedures, including those for persons or moving vehicles not directly participating in the operation that enter the operational area; • Roles…