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AC 150/5300-4B 6/24/75 <br />Appendix 3 <br />b. Requests for wind data are often received at the NWRC when suitable <br />data cannot be located in available publications. In response to <br />such a request, the Center will determine what wind records are <br />available for the location or for nearby locations which might be <br />used, the form of the records or summaries, and the cost of <br />supplying the requested data. In any event, the engineer/planner <br />should contact the Director, National Weather Records Center <br />Federal Building, Asheville, North Carolina 28801, to determine <br />just what information is available. Currently, the Center <br />estimates that there are several hundred locations in the U.S. <br />which have umpublished wind data. <br />c. If a 5- or 10-year wind summary has previously been prepared, <br />copies can be made available to the requestor for the cost of re- <br />production. If there is no summary in existence, the requestor can <br />either obtain the separate monthly tables and summarize them him- <br />self or he can request the Center to prepare the summaries. When <br />only unsummarized data are available, the NWRC will provide time <br />and cost estimates for producing copies of the required data and/ <br />or preparing data summarization. All of these services are per- <br />formed at cost. <br />4. SUPPLEMENTARY AVIATION WEATHER REPORTING STATIONS. Supplementary <br />Aviation Weather Reporting Station (SAWRS) is a weather observation <br />station used solely for aviation purposes and manned by non -Federal <br />personnel. The local airport management usually provides the equip- <br />ment and personnel for the station. The Weather Bureau and the FAA <br />have worked together in setting up criteria for the establishment of <br />a SAWRS. <br />a. The FAA in conjunction with the Weather Bureau determines the <br />aviation need for a SAWRS at a particular airport. For example, <br />if an air taxi service is proposed to begin at an airport, the <br />requirements of Federal Aviation Regulations Part 135 may stipulate <br />that weather observations are needed for the operation. Once this <br />has been determined and the airport management has agreed to the <br />establishment of the station, then the Regional headquarters of the <br />Weather Bureau provides training to qualify the local personnel as <br />weather observers. This training is done without cost to the air- <br />port or the trainees. <br />b. Additional information can be obtained on the SAWRS by contacting <br />either the Weather Bureau or the FAA Airports office. <br />5. WEATHER DATA PUBLICATIONS. Considerable weather data are available in <br />existing publications. Some of these are on file at the local FAA <br />Airports office. They include: <br />Page 4 Par 3 <br />• <br />