Airport Surface Weather Observation Options for General Aviation Airports (2019) / Chapter Skim
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Pages 4-15
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4 General aviation (GA) aircraft make up the largest category of aircraft operating in the United States.
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Introduction 5 NWS forecasts, warnings, and data and products form a national information database and infrastructure used by other governmental agencies, the private sector, the public, and the global community. This enables our core partners to make decisions when weather, water or climate has a direct impact on the protection of lives and livelihoods.
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6 Airport Surface Weather Observation Options for General Aviation Airports (b) For any flight, runway lengths at airports of intended use, and the following takeoff and landing distance information: 1.
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Introduction 7 Part 135, Part 91K, and turbine aircraft flights, are conducted under IFR rules for most, if not all, of the flight. IFR flight entails a multitude of aircraft requirements and pilot qualifications.
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8 Airport Surface Weather Observation Options for General Aviation Airports The complete intricacies of VMC, IMC, VFR, and IFR are beyond the scope of this report, and are discussed here only to provide a context for how weather reporting may impact flight operations. Aviation weather systems provide outputs that help pilots determine whether VMC or IMC conditions exist (cloud height and visibility)
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Introduction 9 Additionally, the Aeronautical Information Manual (AIM) , updated August 15, 2019, with Changes 1 and 2, states in section 7-1-3 "Use of Aviation Weather Products," paragraph f: Pilots and operators should be aware that weather services provided by entities other than FAA, NWS, or their contractors may not meet FAA/NWS quality control standards.
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10 Airport Surface Weather Observation Options for General Aviation Airports Furthermore, 14 CFR Part 135.225 -- IFR takeoff, approach and landing minimums, states: a) Except to the extent permitted by paragraphs (b)
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Introduction 11 located at airports, with the majority of them located at airports that serve general aviation operations exclusively. General aviation aircraft operators and general aviation airport staff have thousands of interactions with these systems daily.
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12 Airport Surface Weather Observation Options for General Aviation Airports Figure 4. Aviation weather services: historic timeline.
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Introduction 13 In the 1980s DOD, the NWS, and the FAA began to invest heavily in automated weather observation systems. In 1989, a plan to modernize the NWS included replacing manual weather observation with ASOS systems.
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14 Airport Surface Weather Observation Options for General Aviation Airports A brainstorming session was completed with relevant participants to determine data to be acquired, the target audience for the survey, and nonparticipant experts who could be contacted. All of these were completed while remaining focused on the synthesis scope and the initial ACRP panel comments received.
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Introduction 15 Table 2. Airports that participated in the survey.
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