FAA
POLICY CHANGE VOIDS MANY IFR GPS UNITS
Many previously
IFR-certified GPS receivers might now be unapproved for flying many
instrument procedures due to recent FAA policy changes, according to
AOPA. On Thursday, the association said the FAA's Advisory Circular 90-100A, issued in March,
indicates that only three GPS models -- the Garmin 400, 500 and
G1000 series -- are now legal. Other models made by Garmin,
including the new GNS 480 WAAS receiver, as well as receivers
manufactured by Chelton, Honeywell, Northstar, and Trimble are
listed as "noncompliant," AOPA said. The action means up to
26,000 GPS users no longer comply with a 1996 FAA policy that allows
GPS to be used in lieu of ADF or DME. More...