AD NUMBER: 2004-08-08
MANUFACTURER: Gulfstream
SUBJECT: Airworthiness Directive 2004-08-08
SUMMARY: This amendment adopts a new airworthiness
directive (AD), applicable to certain Gulfstream Model G-IV series
airplanes. For certain airplanes, this AD requires installation of
an additional indicator located on the pilot's instrument panel in
primary view of the flightcrew. The indicator willinform the
flightcrew that the airplane main batteries are powering the direct
current (DC) essential bus, which supplies power to vital
communication and navigation equipment. For certain other
airplanes, this AD will require the EICAS (Engine
Instruments/Caution Advisory System) to be used for this
indication. This action is necess