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FORT
WORTH, Texas � The U.S. Department of Transportation�s Federal Aviation
Administration today issued an emergency order suspending the authorization NavWorx
Inc. uses to manufacture certain Automatic Dependent Surveillance-Broadcast (ADS-B)
navigation units. Such units, when properly manufactured and operated, help to
improve the safety and efficiency of aircraft operations.
�
The
authorization, known as a Technical Standard Order Authorization (TSOA),
enables suppliers to produce components for use on aircraft after proving that
each component meets FAA standards. Federal regulations set forth FAA�s authority
to inspect suppliers� quality systems, facilities, technical data, and products
to determine whether they meet safety standards. These regulations also provide
that FAA may witness any tests necessary to determine a product�s compliance.
�
The
suspension order was issued after NavWorx declined on repeated occasions to
allow FAA personnel to conduct the required inspections. The suspension is
immediate and will remain in effect until NavWorx consents to the inspections
and demonstrates compliance with FAA standards.
�
The
FAA is concerned that two versions of the company�s ADS600-B units, carrying
part numbers 200-0012 and 200-0013, may contain an internal Global Positioning
System (GPS) chip that does not meet the FAA�s minimum performance standards
for transmitting an aircraft�s accurate location.
�
On
June 29, the FAA requested to
inspect NavWorx�s facility to determine the specific GPS unit and software installed
in part numbers 200-0012 and 200-0013, and if the units are marked correctly. NavWorx
informed the inspector that he would not be allowed inside the company�s
facility. During subsequent correspondence, NavWorx agreed to allow an Aug. 31
inspection but then denied access when FAA inspectors arrived.
�
NavWorx
later agreed to allow inspectors into the facility on Nov. 21 but they were
again denied access.
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Due
to the company�s unwillingness to comply with these requirements, the FAA has
determined that NavWorx�s continued use of its FAA authorization is contrary to
the interests of safety in air commerce. During the suspension, NavWorx may not
mark or otherwise indicate that its ADS600-B units meet FAA standards.
�
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