Airport Surface Weather Observation Options for General Aviation Airports (2019) / Chapter Skim
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Pages 66-76
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66 This synthesis is intended to present the current state of surface weather observation system options for use at general aviation airports. Conclusions from the research on the current state of practice are presented here.
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Conclusions and Future Research 67 Only surface observation systems that are certified by the FAA are currently allowed to transmit over the NADIN to the WMSCR. The WMSCR outputs this weather data to a variety of users, including the NWS, but also to private companies which may repackage the weather data into customized products for use by pilots.
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68 Airport Surface Weather Observation Options for General Aviation Airports The ASOS systems are owned by either the NWS, the FAA, or DOD, and none have been installed since 2004. These systems may be present on an airport but will be maintained and paid for by the NWS.
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From page 69... ...
Conclusions and Future Research 69 and visibility conditions, followed by advisory conditions for wind, sky condition, temperature, etc. In such cases, this system is not eligible to report to the WMSCR even if the data set includes all METAR variables.
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70 Airport Surface Weather Observation Options for General Aviation Airports County Airport (KXSA) opened in Virginia in 2007, it was assigned a CTAF of 122.8.
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Conclusions and Future Research 71 Funding for new AWOS systems and upgrades to existing systems may also be available through state grant programs. Participation levels for this vary greatly by state.
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72 Airport Surface Weather Observation Options for General Aviation Airports Nearly 45% of respondents indicated that the annual maintenance and inspection costs represented a significant or higher burden on their airport budget, and 18% noted the costs are paid by others. That costs of $5,000 per year represents a significant impact for nearly half of the respondents shows the pressure many general aviation airport budgets are under.
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Conclusions and Future Research 73 The case examples present one example where adjacent development did impact an existing ASOS, requiring its relocation, and where the final cost of that relocation greatly exceeded the costs estimated when the conflict was first identified. The case examples identify another airport where a proposed AWOS III relocation is conflicting with a proposed solar farm development that otherwise has mutual airport, community, and industry benefits.
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74 Airport Surface Weather Observation Options for General Aviation Airports penalty to at least one instrument approach. Three of the surveyed airports have approaches that are fully not authorized if there is no certified local altimeter.
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Conclusions and Future Research 75 has supported numerous programs in the past 20 years to increase the safety of people and equipment operating in the NAS. Increased availability of certified weather reporting for air ambulance operators may both enhance their mission safety and expand their mission role, as well as enhance public safety beyond the NAS.
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From page 76... ...
76 Airport Surface Weather Observation Options for General Aviation Airports 10. A weak link in the dissemination of data to Flight Service is sometimes a failure of the data transmission system localized at the airport; e.g., power, modem, or broadband failure.
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