<searchTitle>Notice of Availability of Draft Technical Standard Order (TSO)-C166b for Extended Squitter Automatic Dependent Surveillance-Broadcast and Traffic Information Service-Broadcast Equipment Operating on the Radio Frequency of 1090 Megahertz (MHz); Federal Register Vol. 74, Issue </searchTitle>
<granuleClass>NOTICE</granuleClass>
<accessId>E9-21953</accessId>
<agency order="1">DEPARTMENT OF TRANSPORTATION</agency>
<agency order="2">Federal Aviation Administration</agency>
<commentDate>2009-10-09</commentDate>
<billingCode>4910-13-P</billingCode>
<frDocNumber>E9-21953</frDocNumber>
<action>Notice of availability and request for comment.</action>
<summary>The FAA is announcing the availability of and requesting comment on proposed TSO-C166b. The Avionic Systems Branch of the Aircraft Engineering Division, Aircraft Certification Service, FAA has presented a proposed revision of existing TSO-C166a. RTCA, Inc. Special Committee (SC)-186 is revising RTCA Document DO-260A, Minimum Operational Performance Standards for 1090 MHz Extended Squitter Automatic Dependent Surveillance-Broadcast (ADS-B) and Traffic Information-Broadcast (TIS-B), which will become the Minimum Performance Standard (MPS) for the proposed TSO-166b. Proposed TSO- C166b can be found at http://www.faa.gov/aircraft/draft--docs/. Comments may be filed electronically following instructions on the webpage. Comments may also be filed using the addresses provided below.</summary>
<dates>Comments must be received no later than October 9, 2009.</dates>
<contact>Mr. Chip Bulger, Avionics Systems Branch, Aircraft Engineering Division, Aircraft Certification Service, Federal Aviation Administration, 470 L'Enfant Plaza, SW., Washington, DC 20591; telephone 202-385-4882; chip.bulger@faa.gov.</contact>
<tocSubject1>Availability of Draft Technical Standard Order:</tocSubject1>
<tocDoc>Extended Squitter Automatic Dependent Surveillance-Broadcast and Traffic Information Service-Broadcast Equipment Operating on the Radio Frequency of 1090 Megahertz (MHz)
, </tocDoc>
<emailRef>chip.bulger@faa.gov</emailRef>
<urlRef>http://www.faa.gov/aircraft/draft_docs/</urlRef>