Airport Advisories at Non-Towered Airports (2016) / Chapter Skim
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Pages 20-31
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From page 20... ...
20 chapter four SURVEY RESULTS METHOD OF ADVISORIES In general, non-towered airports provide information to pilots. Even a sole wind sock at an unattended airport is providing wind information (magnitude and direction)
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21 57 150 160 2 3 5 0 20 40 60 80 100 120 140 160 180 Audible ASOS/AWOS Wind sock/segmented circle Pilots of other aircraft Observe other aircraft Other Number of Responses In what manner does your airport provide advisories to pilots? FIGURE 6 Nature of advisories.
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From page 22... ...
22 the UNICOM. Two of the airports that participated in the study actually require certificated pilots to staff the UNICOM base.
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23 AIRPORT OPERATIONS/MAINTENANCE/AIRCRAFT RESCUE FIREFIGHTING VEHICLE PROCEDURES Because of the specific hazards presented by the presence of vehicles in the airport movement area, especially at non-towered airports where ATC clearance is not required, the survey queried participants about how their operations/maintenance/ARFF vehicles access the movement area. Although there is significant guidance for ground vehicle operators, as reviewed in chapter three, the reality of ground vehicle operating practice was deemed significant enough to be included in this study.
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From page 24... ...
24 COMMON TRAFFIC ADVISORY FREQUENCY Many airports use the same frequency for CTAF, and frequency interference, or bleed over, is often the result. In an effort to determine the role of frequency interference at non-towered airports (to possibly shed light on the role of such frequency interference on safe aircraft operations)
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25 congestion, 57 (35%) participating airports reported frequency congestion or bleed over with nearby airports sharing the same frequency.
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26 EFFORTS TO MINIMIZE INCURSIONS To learn what methods participating airports use to minimize runway incursions, a survey question asked about such methods: "What are you doing to minimize incidents/incursions at your airport? " This was an open-ended question, allowing participants to list any and all methods adopted at their airport.
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27 IMPROVEMENTS TO AIRFIELD SAFETY In an effort to determine if there were any other methods that could be adopted by airports, especially in relation to the broadcast of airport advisories, the survey asked, "How do you feel airfield safety related to airport advisories could be improved at your airport? " Although most participants responding to this question indicated that nothing could be done to improve airfield safety, some airports provided suggestions for improvement.
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From page 28... ...
28 • Require mandatory radios by pilots • Ensure NOTAMs are made available on UNICOM and/or AWOS/ASOS • Enhance situational awareness on the part of all airport users • Improve training for those providing advisories • Improve education of pilots on proper communication and the role of UNICOM. LESSONS LEARNED In an effort to learn from the experiences of participating airports, the survey asked participants, "What lessons has your airport learned regarding the use, misuse, or absence of airport advisories?
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From page 29... ...
29 on an AWOS or ASOS, and the airport manager believes it greatly enhances the airport environment. Whether a stand-alone AWOS/ASOS broadcast is used, or one appended with airport messages, or one used in conjunction with audible airport advisories on the UNICOM frequency, participants shared that having an AWOS or ASOS on the field is useful in their efforts to convey current airport information to pilots.
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30 Number Airport Identifier Synopsis Consultant Analysis 1 VPZ A pilot took off for a short flight from VPZ Runway 27 which was NOTAMed closed, but he had not checked NOTAMs and noted he monitored ASOS which the airport was prohibited from using as an airport status notification tool. The UNICOM station was used to query an aircraft that had taken off from a closed runway.
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From page 31... ...
31 • If an airport has an advertised UNICOM frequency, pilots expect that airport advisories are available upon request. • Generally, pilots expect airport advisories will be issued upon request via the UNICOM frequency.
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