GPS

May 9, 2008 - 5:39am

The FAA is planning to issue an AD to address what it says are potential safety hazards with the popular Garmin GNS 430 combination GPS/navcom. The agency said external electrical noise from autopilots and other cockpit systems could cause the electronic CDI/HSI in the unit to display inaccurate course deviations.

May 9, 2008 - 5:36am

The business and commuter aircraft products business of Trimble Navigation has been purchased by newly established FreeFlight Systems, a sister company of Aircraft Systems & Manufacturing of Georgetown, Texas. Business aviation veteran Steve Williams is president of FreeFlight Systems, which will be based in Waco, Texas.

May 9, 2008 - 4:44am

The October announcement by Raytheon that it had won a Department of Defense contract–potentially worth $25 million–to develop next-generation anti-jamming systems for GPS underlines security specialists’ concern that GPS is now “an attractive target” for terrorists.

May 8, 2008 - 6:37am

At press time, technical experts from the FAA, the U.S. Coast Guard and researchers from Ohio and Stanford Universities were due to begin a two-week flight-test program in Alaska to assess the use of loran transmitters to send out GPS WAAS messages across the state.

May 8, 2008 - 5:24am

Having secured solid footing in GA markets, Garmin announced it is introducing a new 16-watt com version of its GNC 420, GNS 430 and GNS 530 moving-map navcoms, now designated as “A” models. The new configuration will allow the units to transmit and receive at higher altitudes, a feature Garmin expects to entice more buyers from the corporate ranks.

May 8, 2008 - 5:22am

The FAA is preparing publication of the first LPV (lateral precision with vertical guidance) approaches, a new type of precision approach procedure designed specifically for WAAS. The hallmarks of LPV are lower landing minimums than Lnav/Vnav (250 ft and three-quarters of a mile visibility) and signals that are compatible only with IFR-approved WAAS receivers.

May 8, 2008 - 5:21am

The Wide Area Augmentation System (WAAS) successfully passed a critical 60-day test that prime contractor Raytheon said proves the reliability of the signals for ILS-like approach procedures to thousands of airports not served by precision instrument approaches.

May 7, 2008 - 6:42am

At press time, the FAA’s GPS local-area augmentation system (LAAS) appeared to be hanging in the balance while agency officials were attempting to determine whether there really was a firm industry need for the system.

May 7, 2008 - 5:21am

In late summer, Jeff Williams, manager of the FAA’s newly established required navigation performance (RNP) program office, briefed a government/industry specialist group on the agency’s implementation for a nationwide public RNP plan.

May 7, 2008 - 5:17am

After extensive industry consultation, the FAA has recently completed a document outlining its proposed strategy for transition from today’s terrestrial navaids to GPS, including proposed procedures to minimize the effect of GPS jamming.

 
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