The demand for aviation radio frequencies is exceeding the available supply in various geographic areas. The NIFC National Interagency Incident Communications Division, Communications Duty Officer is often unable to fill some requests due to the limited availability of frequencies within a specific area.

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LifeFlight Eagle will host a free two-day symposium from Sept. 19-20 covering a range of relevant topics for pilots, medical crew members, communication center employees, as well as management team members.

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MSNBC - The U.S. Marine Corps' top uniformed officer plans to curb MV-22 Osprey transport flights over heavily populated parts of Japan in deference to local concerns over the hybrid aircraft's safety.

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Rotor & Wing - Nondestructive testing (NDT) of helicopters via ultrasonics is an essential facet of any maintenance and manufacturing program. NDT is a cost-effective way to quality check rotorcraft components and structures for defects, thickness, cracks, flaws and other problems without tearing apart your helicopter to access them.

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AOPA - NASA has asked general aviation pilots to participate in two special studies (the Meteorological and Aeronautical Information Services Data Link and Applications Study, and the Wake Vortex Encounter Study) it is conducting with the FAA based on data collected through the Aviation Safety Reporting System (ASRS).

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Automated Weather Observation Station equipment installed under the FAA's Automatic Dependent Surveillance—Broadcast (ADS-B) program consists of a number of major system components. Ceilometer and visibility sensors require periodic cleaning of the glass lenses.

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The FAA has issued a Special Airworthiness Information Bulletin to inform owners and operators of Bell Helicopter Model 205A-1, 205B, 212, 412/EP, 412CF and all restricted category UH-1B, UH-1H helicopters of the potential risk of the in-flight loss of an emergency "push out" window from the passenger doors.

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SAFO 12003, Standard Operating Procedures for Title 14 of the Code of Federal Regulations Part 135 Certificate Holders and Part 91K Program Managers, is now published.

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AVweb - Aircraft lights make it easier for birds to see and avoid aircraft, possibly helping to reduce the risk of bird strikes, according to a report recently published in the Journal of Applied Ecology.

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The Republic - Federal investigators found a downed cable line at the scene of a helicopter crash in the Verde River that killed all four people aboard.

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