February 14, 2013
By Ian J. Twombly
Garmin recently announced the availability of its new all-digital radar altimeter, called the GRA5500. The new device is meant for transport category, helicopters, business, and commercial aviation, a Garmin news release said.
Garmin says that as an all-electric device, the GRA5500 can process hundreds of altitudes a second, and then filter them against false returns for a more accurate indication of actual altitude.
The GRA550 follows the ARINC 429 standard, which means it can interact with a number of Garmin displays, such as the G1000, G500/600, the company’s TCAS II, Cat II ILS requirements, and more.
Currently standard equipment on the Cessna Citation X, Sovereign, Latitude, Longitude, and Bell 525, the GRA5500 sells for $13,995 without antennas.
Flight Training Editor Ian J. Twombly joined AOPA in 2003 and is an instrument flight instructor.
FAA Information and Services
Fourteen aviation organizations have banded together to urge the FAA to take immediate steps to lower barriers to ADS-B equipage.
GENERAL AVIATION GROUPS URGE FAA TO TAKE IMMEDIATE STEPS TO LOWER BARRIERS TO ADS-B
General aviation operators may have to wait a while longer before flying to Cuba (particularly under Part 91).
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